The Whistler Group SC03 DIGITAL TRUNKING HANDHELD RADIO SCANNER User Manual 4
The Whistler Group DIGITAL TRUNKING HANDHELD RADIO SCANNER 4
Contents
User Manual 4

104
105
Menu Reference
GLOB  
Parameter
Options Description
Dflt ScanList 0-22 Sets default destination Scan 
Lists for new objects and 
CONV Stor from Searches, 
Signal Stalker II, and Tune. Use 
1-20 for “normal” Scan Lists 
1-20. Use 0 for the “ns” (not 
scanned) Scan List (no Scan List 
mappings are specified). Use 21 
for the FAV Scan List. Use 22 for 
the Skywarn Scan List.
Priority On or Off Turns Priority Scan On or 
Off. Priority Scan can also be 
toggled by pressing FUNC PRI 
while scanning.
WxPri On or Off Toggles Weather Priority Mode 
on or off. Also accessed by 
pressing WX, then PRI.
Scan Lists SEL Enters sub menu for Scan List 
settings and status.
SRCH L/Outs SEL Enters sub menu for review, 
editing or deletion of search 
lockout frequencies.
Clear FAV SEL Press SEL to clear the Favorites 
Scan List.
Memory Info SEL Press SEL to see the current 
memory usage.
EXPERT BELOW
Tune LED On or Off Activates Signal Strength driven 
LED when in Tune mode.
Color 0-7 Red, 
Green, 
Blue 
(RGB) 
value
Sets intensity of red, green and 
blue LEDs. Press SEL to edit 
colors. Press   to scroll to R, G 
or B LED settings. Use numeric 
keys to activate preset intensity 
levels for each LED, or use   
keys to fine scroll intensity.
Qtxt 1-0 Text 
value
Sets QTXT (QuickText) 0-9 text. 
Use “$” to indicate end of text.
Key Repeat On or Off Toggles key repeat mode when 
a key is held down.

106
Menu Reference
107
GLOB  
Parameter
Options Description
LCD BlinkOff 1-250 x 
10 mS
For alternating text displays, 
sets the display time for the 
secondary display element.
LCD BlinkOn 1-250 x 
10 mS
For alternating text displays, 
sets the display time for the 
primary display element.
LED BlinkOff 1-250 x 
10 mS
When the Alert LED setting for 
an object is set to Flash, this 
is the amount of time the LED 
stays turned off.
LED BlinkOn 1-250 x 
10 mS
When the Alert LED setting for 
an object is set to Flash, this 
is the amount of time the LED 
stays turned on.
Pri Channels 0-250 Number of priority CONV 
channels to check during a 
priority scan sampling. “0” sam-
ples all CONV priority channels.
Pri Interval 2-100 x 
100 mS
Conventional frequency priority 
sample interval.
TGRP Pri Int On or Off Toggles priority interrupt 
scanning during trunked calls.
QuickPriRtn On or Off When on, does not wait for 
verification of correct CTCSS, 
DCS or NAC when returning to 
an active CONV channel after 
priority sampling
Search Delay 1-250 x 
100 ms
Sets wait for reply delay for all 
search modes.
SRCH Dig 
AGC
On or Off Sets digital AGC mode on or 
off for all search types. Useful 
to compensate for low or high 
digital audio levels caused at 
the system.
SRCH 
SuprTrk
On or Off Alternative DSP decod-
ing algorithm is applied to 
all search types. May help 
reception on some systems.

106
107
Menu Reference
GLOB  
Parameter
Options Description
TLO=FUNC 
L/O
On or Off Controls the operation of the 
L/OUT key. When Off, pressing 
L/OUT performs a Temporary 
Lockout of the selected object. 
When On, pressing L/OUT 
performs a Permanent Lockout 
of the selected object.
Dupe-
ChecksSQ
Yes or No If set to Yes, dupe checking will 
check both the stored frequen-
cy and any encoded squelch 
settings when checking for du-
plicate CONV objects.
TGID Format Norm, 
DEC, 
or HEX
Selects TGID display format.
TGRP Ignore Yes or No If set to Yes, TGRP wildcards 
will ignore calls on previously 
stored TGRPS that are mapped 
to disabled Scan Lists.
ShowCCInfo Yes or No For Motorola and P25 systems, 
shows current control channel 
index (from TSYS frequency list) 
and frequency alternating with 
the voice frequency.
Set Password SEL Set Power-on password.  
0000=none.

108
Menu Reference
109
CONV Menu
The CONV menu is used when creating new 
Conventional Channel objects, or editing existing 
Conventional Channel objects. 
CONV  
Parameter
Options Description
Scan Lists On or Off 
for Scan 
List 1-22
Sets membership in Scan Lists. 
Use   keys to scroll through 
Scan Lists. Use SEL key to 
toggle Scan List membership. A 
“*” next to the Scan List num-
ber indicates that the object is 
mapped to that Scan List.
Freq Any sup-
ported 
frequency
in MHz
The frequency that the CONV 
object will use.
Tag Alpha-
numeric 
text
The alphanumeric display name 
for the CONV channel. Use the 
standard text entry method or 
QTXT to name the object.
Sq Mode Search, 
None, 
CTCSS, 
DCS,  
P25
Sets subaudible squelch mode 
or Project 25 conventional digi-
tal modulation. Use Search to 
automatically analyze signals 
to determine squelch mode 
and code. Use None to ignore 
subaudible squelch. Use CTCSS 
for tone coded squelch, DCS 
for digital coded squelch, or 
P25 for Project 25 conventional 
digital operation. Used in con-
junction with Squelch Code 
parameter below.
Squelch 
Code
CTCSS 
Hz, DCS 
Code, 
P25 NAC
Sets CTCSS tone, DCS code, 
or P25 NAC depending on Sq 
Mode setting. Use Search to 
detect tone or code value for 
selected squelch type.

108
109
Menu Reference
CONV  
Parameter
Options Description
L/Out On or Off Permanent lockout for the 
CONV channel. Also accessed 
by pressing FUNC L/OUT while 
the scanner is stopped on the 
CONV object.
Priority On or Off Turns Priority Mode on or off for 
the CONV object.
LED Mode Solid or 
Flash
Controls whether the Alert LED 
flashes or remains on solid when 
the Alert LED is used.
LED Color 0-7 Sets LED color to 0-7 as defined 
in the GLOB menu. By default, 
0=LED Off, 1=Red, 2=Yellow, 
3=Green, 4=Cyan, 5=Blue, 
6=Magenta, 7=White.
Latch LED On or Off Normally the Alert LED is active 
only while the object is receiv-
ing a transmission. When Latch 
is on, the Alert LED will remain 
lit after the transmission is com-
plete, unless overridden by a 
subsequent object that is also 
using the Alert LED.
Backlight On, Off 
or Flash
Controls whether the backlight 
should be on, off or flashing 
while the object is active.
Alarm None,  
Chirp,  
Hi-Lo,  
Alert,  
Ring, 
2-Chirp, 
Fast 
Hi-Lo, 
DTMF#
Sets the Audible Alarm for the 
CONV object. When an Audible 
Alarm is selected, the selected 
alarm will play at the beginning 
of each transmission on the 
CONV object, or anytime the 
scanner stops for activity on the 
CONV object while scanning.
Fav Yes or No When On, the CONV object is 
a member of the Favorites Scan 
List.

110
Menu Reference
111
CONV  
Parameter
Options Description
Skywarn Yes or No When On, the CONV object is 
a member of the Skywarn Scan 
List.
EXPERT BELOW
Modulation Auto, 
AM,  
FM,  
NFM
Modulation setting for the 
CONV channel. In most cases 
Auto will work fine. Use AM 
to override and force AM 
modulation, FM to force FM 
modulation, NFM to force 
narrow FM modulation.
Atten On or Off When on, applies 20 dB of 
attenuation to all transmissions 
on the CONV channel. Useful in 
areas where interference from 
nearby strong signals is present.
Delay On or Off Controls whether a Delay is 
used to wait for reply traffic after 
a transmission on the CONV 
channel.
Delay Time 1-250 x 
100ms
Sets the amount of time (in 100 
millisecond intervals) for the 
wait for reply delay if Delay is 
On, e.g., 20=2 seconds.
Digital AGC On or Off Controls Digital AGC function 
for the CONV channel.
Supertrack On or Off Alternative DSP decoding algo-
rithm. May help reception on 
some systems.
AudioBoost On or Off Applies a 6 dB boost to audio 
levels when the object is active.
Hit Count Numeric 
value
Increments each time a 
transmission is received on 
the CONV object. Global “Hit 
Counts” must be set to ON. 
Press the Dflt softkey to reset 
to 0.

110
111
Menu Reference
TGRP Menu
The TGRP menu is used when creating new 
Trunking Talkgroup objects, or editing existing 
Trunking Talkgroup objects. 
TGRP 
Parameter
Options Description
Scan Lists On or Off 
for Scan 
Lists 1-22
Sets membership in Scan Lists. 
Use   keys to scroll through 
Scan Lists. Use SEL key to 
toggle Scan List membership. A 
“*” next to the Scan List num-
ber indicates that the object is 
mapped to that Scan List.
TSYS New or 
previously 
stored 
trunking 
system 
object 
(TSYS)
To enter a new trunking sys-
tem, use the   keys to scroll 
through the stored systems 
until NEW appears, then press 
SEL to enter the parameters for 
the new TSYS. To use a trunking 
system that you have previously 
entered, use the   keys to 
scroll to the desired system.
ID Decimal, 
hex or 
AFS, de-
pending 
on TSYS 
type
The digital address of the talk-
group or individual radio ID on 
the trunked radio system.
Type Group or 
Private
Use Group for talkgroup ID, 
Private for individual radio ID.
Tag Alpha-
numeric 
text
The alphanumeric display name 
for the TGRP. Use the standard 
text entry method or QTXT to 
name the object.
L/Out On or Off Permanent lockout for the 
TGRP. Also accessed by 
pressing FUNC L/OUT while 
the scanner is stopped on the 
TGRP object.
Priority On or Off Turns Priority Mode on or off for 
the TGRP object.

112
Menu Reference
113
TGRP  
Parameter
Options Description
LED Mode Solid or 
Flash
Controls whether the Alert 
LED flashes or remains on solid 
when the Alert LED is used.
LED Color 0-7 Sets LED color to 0-7 as 
defined in the GLOB menu. 
By default, 0=LED Off, 1=Red, 
2=Yellow, 3=Green, 4=Cyan, 
5=Blue, 6=Magenta, 7=White.
Latch LED On or Off Normally the Alert LED is active 
only while the object is receiv-
ing a transmission. When Latch 
is on, the Alert LED will remain 
lit after the transmission is com-
plete, unless overridden by a 
subsequent object that is also 
using the Alert LED.
Backlight On, Off or 
Flash
Controls whether the backlight 
should be on, off or flashing 
while the object is active.
Alarm None, 
Chirp,  
Hi-Lo, 
Alert, 
Ring, 
2-Chirp, 
Fast 
Hi-Lo, 
DTMF#
Sets the Audible Alarm for the 
TGRP object. When an Audible 
Alarm is selected, the selected 
alarm will play at the beginning 
of each transmission on the 
TGRP object, or anytime the 
scanner stops for activity on the 
TGRP object while scanning.
Fav Yes or No When On, the TGRP object is a 
member of the Favorites Scan 
List.
Skywarn Yes or No When On, the CONV object is 
a member of the Skywarn Scan 
List.
EXPERT BELOW
Delay On or Off Controls whether a Delay is 
used to wait for reply traffic af-
ter a transmission on the TGRP.

112
113
Menu Reference
TGRP  
Parameter
Options Description
Delay Time 1-250 x 
100 ms
Sets the amount of time (in 100 
millisecond intervals) for the 
wait for reply delay if Delay is 
On, e.g., 20=2 seconds.
AudioBoost On or Off Applies a 6 dB boost to audio 
levels when the object is active.
Hit Count Numeric 
value
Increments each time a trans-
mission is received on the 
TGRP object. Global “Hit 
Counts” must be set to ON. 
Press the Dflt softkey to reset 
to 0.
TSYS Menu
The TSYS menu is used when creating new 
Trunking System objects, or editing existing 
Trunking System objects. 
TSYS  
Parameter
Options Description
Type MOT 
800/900, 
MOT 
VHF/UHF, 
P25  
MANUAL,
P25 
AUTO, 
EDACS 
STD, 
EDACS 
NAROW, 
LTR
Sets the trunking system type. 
Choose MOT 800/900 if the 
system is a Motorola 800 or 900 
MHz analog or digital trunked 
radio system that uses the 3600 
baud control channel. Use 
P25 AUTO for most Project 
25 systems that send channel 
table information over the sys-
tem control channel. Use P25 
MANUAL if it is necessary to 
manually set the channel table 
information or if you wish to use 
the default 800 MHz table data. 
Use EDACS STD for most 800 
MHz EDACS systems using the 
9600 BPS EDACS control chan-
nel. Use EDACS NAROW for 
most 900 MHz and some VHF/
UHF EDACS systems using the 
4800 BPS EDACS control chan-
nel. Use LTR for Logic Trunked 
Radio (LTR) systems.

114
Menu Reference
115
TSYS 
Parameter
Options Description
Tag Alpha-
numeric 
text
The alphanumeric display name 
for the TSYS. Use the standard 
text entry method or QTXT to 
name the object.
Frequencies SEL Press SEL to enter trunked ra-
dio system frequencies. Enter 
control channel frequencies in 
any order for all Motorola and 
Project 25 trunking systems. En-
ter system frequencies in LCN 
order for all EDACS trunking 
systems. Enter system frequen-
cies in Home Repeater order for 
LTR systems.
L/Out On or Off Permanent lockout for the TSYS. 
When On, no traffic will be 
received on any programmed 
TGRPs for this TSYS.
EXPERT BELOW
Atten On or Off When on, applies 20 dB of at-
tenuation to all transmissions on 
this TSYS. Useful in areas where 
interference from nearby strong 
signals is present.
Narrow FM Yes or No Use Yes when the system is 
known to use Narrow FM modu-
lation. Most 900 MHz analog 
trunked radio systems utilize 
NFM modulation. This setting 
has no effect on digital trunked 
radio system performance.
AudioBoost On or Off Activates 6 dB audio level boost 
for all activity on this TSYS.

114
115
Menu Reference
TSYS  
Parameter
Options Description
Dwell 0-200 x 
100 mS
Sets the amount of time the 
scanner dwells on a Motorola, 
P25 or EDACS system control 
channel for activity on pro-
grammed talkgroups. Use 0 for 
automatic mode, which uses 
control channel information 
to determine when all current 
talkgroup information has been 
broadcast by the system.
Digital AGC On or Off Controls Digital AGC function 
for the TSYS.
Supertrack On or Off Alternative DSP decoding algo-
rithm. May help reception on 
some systems.
Multi-Site Off,  
Roam or 
Stat 
(Station-
ary)
Used with networked Motorola 
and P25 trunked radio sys-
tems. When Multi-Site=Off, 
the scanner will find the first 
usable control channel in the 
control channel list and use 
it to track the system. When 
Multi-Site=Roam, the scanner 
will always attempt to lock on 
to control channels where the 
decoding quality is greater than 
Threshold Hi, and will search for 
new control channels when the 
decoding quality of a control 
channel drops below Threshold 
Lo. If no control channels are 
available that meet the Thresh-
old Hi criteria, the scanner will 
seek the best control channel to 
use, and continue checking pe-
riodically for a new control chan-
nel that meets the Threshold Hi 
criteria. When Multi-Site=STAT, 
the scanner will track the system 
using every usable control chan-
nel in the control channel list.

116
Menu Reference
117
TSYS 
Parameter
Options Description
Threshold Hi 1-99 Available When Multi-Site is 
set to ROAM. Sets the control 
channel decode % threshold for 
a site to be considered good 
when looking for a new site.
Threshold 
Lo
1-99 Available When Multi-Site is 
set to ROAM. Sets the control 
channel decode % threshold for 
a site to be considered out of 
range, which will begin the pro-
cess of looking for a new site.
T Tables Default, 
Splinter, 
Custom
For Motorola and P25 systems 
only - sets custom channel 
tables. Use  , to select option, 
press SEL on Custom to enter 
custom table information.
Fleet Map Type I For Motorola Type I systems 
only - sets fleet map.
LMIT Menu
The LMIT menu is used when creating new Limit 
Search objects, or editing existing Limit Search 
objects. 
LMIT 
Parameter
Options Description
Scan Lists On or Off 
for Scan 
Lists 1-22
Sets membership in Scan Lists. 
Use   keys to scroll through 
Scan Lists. Use SEL key to tog-
gle Scan List membership. A 
“*” next to the Scan List num-
ber indicates that the object is 
mapped to that Scan List.
FrLo Any sup-
ported 
frequency 
in MHz
A frequency that will be used 
as the lower limit for the limit 
search range.
FrHi Any sup-
ported 
frequency 
in MHz
A frequency that will be used 
as the upper limit for the limit 
search range.

116
117
Menu Reference
LMIT  
Parameter
Options Description
Tag Alpha- 
numeric 
text
The alphanumeric display 
name for the LMIT search. 
Use the standard text entry 
method or QTXT to name the 
object.
L/Out On or Off Permanent lockout for the 
LMIT channel. Also accessed 
by pressing FUNC L/OUT 
while the scanner is stopped 
on the LMIT object.
LED Mode Solid or 
Flash
Controls whether the Alert 
LED flashes or remains on sol-
id when the Alert LED is used.
LED Color 0-7 Sets LED color to 0-7 as de-
fined in the GLOB menu. By 
default, 0=LED Off, 1=Red, 
2=Yellow, 3=Green, 4=Cyan, 
5=Blue, 6=Magenta, 7=White.
Latch LED On or Off Normally the Alert LED is ac-
tive only while the object is 
receiving a transmission. When 
Latch is on, the Alert LED will 
remain lit after the transmis-
sion is complete, unless over-
ridden by a subsequent object 
that is also using the Alert 
LED.
Backlight On, Off 
or Flash
Controls whether the backlight 
should be on, off or flashing 
while the object is active.
Alarm None, 
Chirp,  
Hi-Lo, 
Alert, 
Ring, 
2-Chirp, 
Fast 
Hi-Lo, 
DTMF#
Sets the Audible Alarm for 
the LMIT object. When an 
Audible Alarm is selected, the 
selected alarm will play any-
time the scanner stops for ac-
tivity on the LMIT object while 
scanning.

118
Menu Reference
119
LMIT  
Parameter
Options Description
Fav Yes or No When On, the LMIT object 
is a member of the Favorites 
Scan List.
EXPERT BELOW
Modulation Auto, 
AM,  
FM,  
NFM
Modulation setting for the 
LMIT search. In most cases 
Auto will work fine. Use AM 
to override and force AM 
modulation, FM to force FM 
modulation, NFM to force 
narrow FM modulation.
Atten On or Off When on, applies 20 dB of at-
tenuation to all hits received 
on the LMIT search. Useful 
in areas where interference 
from nearby strong signals is 
present.
Delay On or Off Controls whether a Delay is 
used to wait for reply traffic 
after a transmission is received 
during the LMIT search.
Delay Time 1-250 x 
100 ms
Sets the amount of time (in 
100 millisecond intervals) for 
the wait for reply delay if Delay 
is On, e.g., 20=2 seconds.
Zeromatic On or Off When on, enhances the 
scanner’s ability to lock on to 
the actual center frequency of 
a search hit instead of an adja-
cent frequency.
Search Dir Up or 
Down
Sets search direction used 
when LMIT object is active.
Hit Count Numeric 
value
Increments each time a 
transmission is received on 
the LMIT object. Global “Hit 
Counts” must be set to ON. 
Press the Dflt softkey to 
reset to 0.

118
119
Menu Reference
 SRVC Menu
The SRVC menu is used when creating new 
Service Search objects, or editing existing Service 
Search objects. 
SRVC 
Parameter
Options Description
Scan Lists On or Off 
for Scan 
Lists 1-22
Sets membership in Scan Lists. 
Use   keys to scroll through 
Scan Lists. Use SEL key to tog-
gle Scan List membership. A 
“*” next to the Scan List num-
ber indicates that the object is 
mapped to that Scan List.
Srvc Pub 
Safety,
Aircraft, 
Amateur, 
CB, 
Marine, 
FRS/GM/
MURS, 
Railroad
Pub Safety (Public Safety) 
searches commonly used pub-
lic safety frequencies. Aircraft 
searches civilian and military air 
frequencies. Amateur searches 
amateur radio frequencies. 
CB searches the citizen’s band 
radio frequencies. Marine 
searches the VHF-FM marine 
radio band. FRS/GMRS/MURS/
DOT/STAR (F/G/MURS) search-
es the FRS, GMRS, MURS, DOT 
and STAR radio frequencies. 
Railroad searches the Asso-
ciation of American Railroads 
(AAR) VHF railroad frequencies 
used in the US and Canada.
See Appendix A on page 100 for 
Search Band Group frequencies.
Groups Use   to 
scroll, SEL 
to toggle 
on/off
Toggle search groups when 
Pub Safety, Aircraft and Ama-
teur service searches are used.
See Appendix A on page 100 for 
Search Band Group frequencies.
Tag Alpha-
numeric 
text
The alphanumeric display 
name for the SRVC search. Use 
the standard text entry method 
or QTXT to name the object.

120
Menu Reference
121
SRVC  
Parameter
Options Description
L/Out On or Off Permanent lockout for the 
SRVC object. Also accessed by 
pressing FUNC L/OUT while 
the scanner is stopped on the 
SRVC object.
LED Mode Solid or 
Flash
Controls whether the Alert 
LED flashes or remains on solid 
when the Alert LED is used.
LED Color 0-7 Sets LED color to 0-7 as de-
fined in the GLOB menu. By 
default, 0=LED Off, 1=Red, 
2=Yellow, 3=Green, 4=Cyan, 
5=Blue, 6=Magenta, 7=White.
Latch LED On or Off Normally the Alert LED is ac-
tive only while the object is 
receiving a transmission. When 
Latch is on, the Alert LED will 
remain lit after the transmission 
is complete, unless overridden 
by a subsequent object that is 
also using the Alert LED.
Backlight On, Off or 
Flash
Controls whether the backlight 
should be on, off or flashing 
while the object is active.
Alarm None, 
Chirp,  
Hi-Lo, 
Alert, 
Ring, 
2-Chirp, 
Fast 
Hi-Lo, 
DTMF#
Sets the Audible Alarm for 
the SRVC object. When an 
Audible Alarm is selected, 
the selected alarm will play 
anytime the scanner stops for 
activity on the SRVC object 
while scanning.
Fav Yes or No When On, the SRVC object 
is a member of the Favorites 
Scan List.

120
121
Menu Reference
SRVC  
Parameter
Options Description
EXPERT BELOW
Modulation Auto, AM, 
FM, NFM
Modulation setting for the 
SRVC search. In most cases 
Auto will work fine. Use AM to 
override and force AM modu-
lation, FM to force FM modula-
tion, NFM to force narrow FM 
modulation.
Atten On or Off When on, applies 20 dB of at-
tenuation to all hits received 
on the SRVC search. Useful 
in areas where interference 
from nearby strong signals is 
present.
Delay On or Off Controls whether a Delay is 
used to wait for reply traffic 
after a transmission on the 
SRVC search.
Delay Time 1-250 x 
100ms
Sets the amount of time (in 100 
millisecond intervals) for the 
wait for reply delay if Delay is 
On, e.g., 20=2 seconds.
Zeromatic On or Off When on, enhances the 
scanner’s ability to lock on to 
the actual center frequency of 
a search hit instead of an adja-
cent frequency.
Search Dir Up or 
Down
Sets search direction used 
when SRVC object is active.
Hit Count Numeric 
value
Increments each time a trans-
mission is received on the 
SRVC object. Global “Hit 
Counts” must be set to ON. 
Press the Dflt softkey to 
reset to 0.

122
Menu Reference
123
STLK Menu
The STLK menu is used when creating new Signal 
Stalker II objects, or editing existing Signal Stalker 
II objects. 
STLK  
Parameters
Options Description
Scan Lists On or Off 
for Scan 
Lists 1-22
Sets membership in Scan Lists. 
Use   keys to scroll through 
Scan Lists. Use SEL key to tog-
gle Scan List membership. A 
“*” next to the Scan List num-
ber indicates that the object is 
mapped to that Scan List.
Type All Bands 
or Pub 
Safety
Use   to select All Bands or 
Public Safety. All Bands covers 
the entire frequency range of 
the scanner. Pub Safety covers 
frequency ranges commonly 
used for public safety commu-
nications.
Sub-bands  , SEL Sub bands are available when 
using STLK in All Bands or Pub-
lic Safety mode.
See Appendix A on page 100 for 
Search Band Group frequencies.
Tag Alpha-
numeric 
text
The alphanumeric display 
name for the STLK object. Use 
the standard text entry method 
or QTXT to name the object.
L/Out On or Off Permanent lockout for the 
STLK search. Also accessed by 
pressing FUNC L/OUT while 
the scanner is stopped on the 
STLK object.
LED Mode Solid or 
Flash
Controls whether the Alert 
LED flashes or remains on solid 
when the Alert LED is used.
LED Color 0-7 Sets LED color to 0-7 as de-
fined in the GLOB menu. By 
default, 0=LED Off, 1=Red, 
2=Yellow, 3=Green, 4=Cyan, 
5=Blue, 6=Magenta, 7=White.

122
123
Menu Reference
STLK  
Parameters
Options Description
Latch LED On or Off Normally the Alert LED is active 
only while the object is receiv-
ing a transmission. When Latch 
is on, the Alert LED will remain 
lit after the transmission is com-
plete, unless overridden by a 
subsequent object that is also 
using the Alert LED.
Backlight On, Off 
or Flash
Controls whether the backlight 
should be on, off or flashing 
while the object is active.
Alarm None, 
Chirp,  
Hi-Lo, 
Alert, 
Ring, 
2-Chirp, 
Fast 
Hi-Lo, 
DTMF#
Sets the Audible Alarm for the 
STLK object. When an Audible 
Alarm is selected, the selected 
alarm will play anytime the 
scanner stops for activity on the 
STLK object while scanning.
Fav
Yes or No
When On, the STLK object is a 
member of the Favorites Scan 
List.
EXPERT BELOW
Atten On or Off When on, applies 20 dB of at-
tenuation to all hits received on 
the STLK search. Useful in areas 
where interference from nearby 
strong signals is present.
Delay On or Off Controls whether a Delay is 
used to wait for reply traffic af-
ter a transmission on the STLK 
search.
Delay Time 1-250 x 
100ms
Sets the amount of time (in 100 
millisecond intervals) for the 
wait for reply delay if Delay is 
On, e.g., 20=2 seconds.

124
Menu Reference
125
STLK  
Parameters
Options Description
Zeromatic On or Off When on, enhances the 
scanner’s ability to lock on to 
the actual center frequency of 
a search hit instead of an adja-
cent frequency.
Special On or Off STLK works by quickly sweep-
ing the RF spectrum in 1 MHz 
increments to find nearby 
strong signals. If the 1 MHz 
sweep indicates that activity 
is present in the 1 MHz range, 
STLK sweeps that range to find 
the source.
Search Dir Up or 
Down
Sets search direction used 
when STLK object is active.
Hit Count Numeric 
value
Increments each time a trans-
mission is received on the STLK 
object. Global “Hit Counts” 
must be set to ON. Press the 
Dflt softkey to reset to 0.

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125
Text Entry
Appendix C: Text Entry and QuickText
Your scanner uses a simple text entry method 
that allows entry of all uppercase and lowercase 
letters of the alphabet, numbers, and punctuation 
symbols. Your scanner also features QuickText, 
which allows you to store up to 10 commonly 
used text items for instant recall while editing 
alphanumeric fields.
Text Entry
To enter a letter in an alphanumeric text field, 
press the number key below the letter you wish 
to type first, then press the number key that 
corresponds with the position of the letter in the 
silk screen group. 
For example, the number 2 is used to access the 
letters A, B and C. To type the letter A, press 2 
to select the ABC group, then 1 to select the first 
letter in the group. Likewise, to type the letter 
B, press 2 to select the ABC group, then press 
2 again to select the second letter in the group. 
And, to type the letter C, press 2, then 3 to select 
the third letter in the group.
•  To enter numbers in alphanumeric text fields, 
press 1 first, then the number you wish to 
type.
•  To enter punctuation, press 0 first to see 
the first set of punctuation, then press the 
number key that corresponds with the 
position of the desired punctuation mark in 
the set.
•  To enter a space, press the . (period) key to 
enter a SPACE.
•  While using Standard Text Entry, the FUNC 
key serves as a shift key. 

126
Text Entry
127
• For letters, uppercase text is typed by
default, and you can shift to lowercase by
pressing FUNC before entering a character.
• For punctuation, FUNC accesses a second
set of punctuation marks. The shift action of
FUNC remains active until it is pressed again.
• Press t or u to move the cursor to the
desired location in edit fields. Press
FUNC t or FUNC u to move the cursor to
the beginning or end of an edit field.
• Use CL as a backspace key to erase
characters before the cursor, and press
FUNC CL to clear the entire field.
Char Press Char Press Char Press Char Press
A 21 O 63 3 13 ? 07
B 22 P 71 4 14 -> 08
C 23 Q 72 5 15 ‘ 09
D 31 R 73 6 16 <- 00
E 32 S 74 7 17 . 0(F)1
F 33 T 81 8 18 - 0(F)2
G 41 U 82 9 19 # 0(F)3
H 42 V 83 0 10 _ 0(F)4
I 43 W 91 $ 01 @ 0(F)5
J 51 X 92 % 02 + 0(F)6
K 52 Y 93 ! 03 * 0(F)7
L 53 Z 94 ^ 04 & 0(F)8
M 61 1 11 ( 05 / 0(F)9
N 62 2 12 ) 06 , 0(F)0
Note: Press FUNC for lower case letters. 

126
127
Text Entry
QuickText
QuickText allows you to store up to 10 commonly 
used text items for instant recall while editing 
alphanumeric fields. For example, as you search, 
store, and name new CONV or TGRP objects, 
you may find that you type the same words over 
and over, such as POLICE, FIRE, SHERIFF, STATE, 
CITY, COUNTY, etc.
•  A few common QuickText words are provided 
for your convenience. You can keep these, 
edit them to your preferences, or replace 
them with your own custom QuickText words.
•  QuickText can be used while editing any 
alphanumeric text field. 
To insert a stored QuickText item: 
1.  While editing an alphanumeric text field, 
press t or u to position the cursor where 
you want the QuickText inserted, then press 
the QTXT softkey. 
  The top row of the display will show the 
available QuickText phrases. 
2.  Press p or q to scroll through the stored 
QuickText phrases, and press SEL to insert 
the QuickText phrase at the cursor location.
  As a shortcut, press the number key on the 
numeric keypad that corresponds with the 
QuickText item you wish to use, instead of 
scrolling and pressing SEL.
Customizing QuickText
To edit the QuickText words: 
1.  Press PGM, then the GLOB softkey. 

128
Text Entry
129
2.  Press p or q to scroll to QTXT and find the 
QuickText storage location that you wish to 
change. 
3.  Press uto edit the QuickText entry. 
4.  Use the standard text entry method to enter 
your desired text. 
Note: When you use your QTXT entry in a text 
field, any unused spaces will be filled with space 
characters. If you want to leave room for adding 
text, enter a space after your QTXT, then a dollar 
sign ($). When you use your QTXT in a text field, 
and the edit cursor will be positioned just after 
the space so you can continue adding text to the 
text field. 
5.  Once you are finished editing your QTXT 
storage location, press the SAVE softkey to 
save the QTXT.
6.  Press the SAVE softkey again to save the 
changes you made to the GLOB menu.

128
129
Index
Index
A
Alarms
Global Setting....................................................................103
Object Setting ................... 81, 106, 109, 112, 117, 120, 123
Weather Alarm .....................................................................69
Alert LED
Global Setting....................................................................103
Object Setting ................... 81, 106, 109, 112, 117, 120, 122
Antenna
Connecting ..........................................................................16
External ................................................................................16
Troubleshooting ..................................................................95
Weather Scanning ...............................................................68
Attenuator
Global Settings ..................................................................104
Key ..........................................................................................7
Setting ..................................................................................23
Troubleshooting ..................................................................95
B
Backlight
Alerts ....................................................................................81
Key ..........................................................................................7
Setting ..................................................................................27
Batteries
Charge Time ................................................................19, 104
Charging ..............................................................................18
Global Settings ..................................................................104
Installing ...............................................................................17
Setting Battery Type ............................................................18
Troubleshooting ..................................................................95
Belt Clip .............................................................................. 16
Birdie Frequencies ............................................................. 88
C
Clear
Favorite Scan List.................................................................47
Hit Counters .........................................................................80
Key ..........................................................................................6
Lockouts ...............................................................................53
Memory ..........................................................................86, 98
Text ...............................................................................32, 126
Cloning ............................................................................... 77
CONV.............................See Conventional Channel Object
Conventional Channel Object
Creating ...............................................................................31

130
Index
131
Defined .................................................................................10
Detailed Menu Reference .................................................108
Priority Scan .........................................................................79
D
Dedicated Searches
Defined .................................................................................61
LMIT ......................................................................................61
Signal Stalker II ....................................................................64
SRVC .....................................................................................62
TUNE ....................................................................................65
Tune LED ..........................................................................67
Delay
Key ..........................................................................................6
Object Delay .....................................110, 112, 118, 121, 123
Search Delay ......................................................................106
Setting ..................................................................................26
Deleting Objects ................................................................ 48
Display .................................................................................. 8
Duplicate (DUPE) ............................................................... 37
E
Encrypted Radio Communications .................................... 15
F
Factory Defaults
Initializing the Scanner ........................................................98
Resetting Global Parameters .............................................97
Favorite List
Adding Objects ...................................................................46
Clearing ................................................................................47
Defined .................................................................................43
Key ..........................................................................................7
FCC Notice ........................................................................ 89
Finding
Locked Out Objects ............................................................49
Text Strings ..........................................................................50
FIPS Codes ......................................................................... 69
FUNC (Function) Key ........................................................... 7
Text Entry ...........................................................................125
G
Global (GLOB) Menu
Defined .................................................................................24
Detailed Reference ...........................................................102
Global Attenuator
Key ..........................................................................................7

130
131
Index
H
Headphones ....................................................................... 21
Help Menu .......................................................................... 25
Key ..........................................................................................6
Hit Counters ....................................................................... 79
I
Input
Character ................................................................................6
Decimal Point ........................................................................6
Number ..................................................................................6
Text ...............................................................................31, 125
K
Keylight/Backlight
Key ..........................................................................................7
Setting ..................................................................................27
Keylock ................................................................................. 7
Key Tone ............................................................................. 26
L
LCD Contrast ..................................................................... 26
Legal Scanning ................................................................... 89
Limit Search
Creating ...............................................................................55
Dedicated LMIT Search ......................................................61
Defined .................................................................................12
Detailed Menu Reference .................................................116
LMIT ......................................................... See Limit Search
Lock keypad ......................................................................... 7
Lockout
Finding .................................................................................49
Key ..........................................................................................7
Object Lockout ....................................................................51
Permanent ........................................................................7, 52
Search ...................................................................................53
Talkgroup .............................................................................53
Temporary ........................................................................7, 51
Wildcard ...............................................................................54
LTR
Display ..................................................................................67
Home Repeater AutoMove ................................................85
M
Manual Mode ..................................................................... 39
Memory
Object Numbering ..............................................................41
Report ...................................................................................77
Saving Main Memory ..........................................................75

132
Index
133
Scan Lists ..............................................................................42
V-Scanner .............................................................................74
Motorola
Custom Channel Tables ....................................................116
Display Information .............................................................67
Dwell Time .........................................................................115
Fleet Map ...........................................................................116
Multi-Site ......................................................................82, 115
Priority Talkgroups ...............................................................79
Show CC Info .....................................................................107
Trunking System Type .......................................................113
N
Networked Systems ........................................................... 82
NS Scan List ....................................................................... 46
O
Object Menus
Detailed Menu Reference .................................................102
EXPERT BELOW ..................................................................30
Understanding .....................................................................28
Object Numbering ............................................................. 41
Object Oriented Scanning
Defined ...................................................................................9
Objects ........................................... See Scannable Objects
Object Searches ................................................................. 55
P
P25 Systems
Custom Channel Tables ....................................................116
Display Information .............................................................67
Dwell Time .........................................................................115
Features................................................................................14
Multi-Site ......................................................................82, 115
Show CC Info .....................................................................107
Subaudible Squelch Mode ...............................................108
Trunking System Type .......................................................113
Pause
Basic Scanning .....................................................................38
Key ..........................................................................................7
Tune Mode ...........................................................................65
Power ..................................................... See also Batteries
External Power .....................................................................20
Power-On Configuration .................................................... 86
Power-On Password ........................................................... 87
Priority
CONV Setting ....................................................................109
Global Setting............................................................105, 106
Key ..........................................................................................7

132
133
Index
Priority Scan .........................................................................78
TGRP Setting .....................................................................111
Weather Priority Mode........................................................69
Programming
CONV Objects .....................................................................31
PGM Key ................................................................................7
Storing Memory ...................................................................74
TGRP Objects ......................................................................32
TSYS Objects .......................................................................33
ProVoice Digital Modulation .............................................. 15
Q
QuickText ......................................................................... 125
Customizing .......................................................................127
S
SAME
Location and Event Codes .................................................70
Standby Mode .....................................................................69
Scan Lists
Changing .............................................................................43
Default ..........................................................................47, 105
Enabling or Disabling ................45, 108, 111, 116, 119, 122
Grouping Objects ...............................................................42
Naming.................................................................................44
Viewing .................................................................................39
Scannable Objects
Abbreviations .......................................................................10
Creating ...............................................................................28
Defined ...................................................................................9
Grouping ..............................................................................42
Numbering ...........................................................................41
Scanning...............................................................................38
Scanning ............................................................................. 38
Display Information .............................................................40
Favorites .........................................................................43, 47
Legally ..................................................................................89
Priority ..........................................................................78, 105
Weather ................................................................................68
Wildcard ...............................................................................38
Searching
Dedicated Searches ............................................................61
Search Mode Key ..............................................................7
For Birdie Frequencies ........................................................88
For Objects ..........................................................................49
Frequency Searches ............................................................55
Limit Search .........................................................................55
Lockout .................................................................................53
Search Bands .....................................................................100
Service Search .....................................................................57

134
Index
135
Signal Stalker II ....................................................................59
Service and Repair ............................................................. 91
Service Search
Creating ...............................................................................57
Dedicated Service Search ...................................................62
Detailed Menu Reference .................................................119
Shortcuts ............................................................................ 86
Signal Stalker II
Creating ...............................................................................59
Dedicated Signal Stalker II .................................................64
Detailed Menu Reference .................................................122
Key ..........................................................................................7
Skywarn
Key ..........................................................................................7
Scan List .............................................................. 42, 110, 112
Softkeys .......................................................................... 6, 29
Speakers ............................................................................. 21
Specifications ..................................................................... 91
Squelch ........................................................................... 8, 23
Encoded ................................................................ 14, 66, 107
Settings ..............................................................................108
SRVC .....................................................See Service Search
STLK .................................................... See Signal Stalker II
T
Talkgroup Object
Creating ...............................................................................32
Defined .................................................................................11
Detailed Menu Reference .................................................111
Global Settings ..................................................................106
Lockout .................................................................................53
Priority Scan .........................................................................79
Types.....................................................................................36
Text Entry ......................................................................... 125
Text Tags ..............................................................................31
TGRP ................................................ See Talkgroup Object
Troubleshooting ................................................................. 95
Trunking System Object
Creating ...............................................................................33
Defined .................................................................................11
Detailed Menu Reference .................................................113
Entering TSYS Menu .........................................................111
TSYS ....................................... See Trunking System Object
Tune
Dedicated Tune Search .......................................................65
Key ..........................................................................................7
Tune LED ......................................................................67, 105

134
135
Index
V
V-Scanners
About....................................................................................74
Erasing ..................................................................................76
Loading a V-Scanner ...........................................................76
Using V-Scanners .................................................................75
W
Weather Scanning
Key ..........................................................................................7
SAME Standby Mode..........................................................69
Wildcard ...........................................................................70
Weather Priority Mode........................................................69
Weather Radio Mode ..........................................................68
Wildcard Talkgroup
Defined .................................................................................36
Lockout .................................................................................53
Scanning...............................................................................38
TGRP Ignore ......................................................................107

136
137
Limited Warranty
This product is warranted by RadioShack 
against manufacturing defects in material 
and workmanship under normal use for one 
(1) year from the date of purchase from 
RadioShack company-owned stores and 
authorized RadioShack franchisees and dealers. 
EXCEPT AS PROVIDED HEREIN, RadioShack 
MAKES NO EXPRESS WARRANTIES AND 
ANY IMPLIED WARRANTIES, INCLUDING 
THOSE OF MERCHANTABILITY AND FITNESS 
FOR A PARTICULAR PURPOSE, ARE LIMITED 
IN DURATION TO THE DURATION OF THE 
WRITTEN LIMITED WARRANTIES CONTAINED 
HEREIN. EXCEPT AS PROVIDED HEREIN, 
RadioShack SHALL HAVE NO LIABILITY OR 
RESPONSIBILITY TO CUSTOMER OR ANY 
OTHER PERSON OR ENTITY WITH RESPECT 
TO ANY LIABILITY, LOSS OR DAMAGE 
CAUSED DIRECTLY OR INDIRECTLY BY USE 
OR PERFORMANCE OF THE PRODUCT 
OR ARISING OUT OF ANY BREACH OF 
THIS WARRANTY, INCLUDING, BUT NOT 
LIMITED TO, ANY DAMAGES RESULTING 
FROM INCONVENIENCE, LOSS OF TIME, 
DATA, PROPERTY, REVENUE, OR PROFIT 
OR ANY INDIRECT, SPECIAL, INCIDENTAL, 
OR CONSEQUENTIAL DAMAGES, EVEN IF 
RadioShack HAS BEEN ADVISED OF THE 
POSSIBILITY OF SUCH DAMAGES.
Some states do not allow limitations on how 
long an implied warranty lasts or the exclusion 
or limitation of incidental or consequential 
damages, so the above limitations or exclusions 
may not apply to you. 
In the event of a product defect during the 
warranty period, take the product and the 
RadioShack sales receipt as proof of purchase 
date to any RadioShack store. RadioShack 
will, at its option, unless otherwise provided 

136
137
by law: (a) correct the defect by product repair 
without charge for parts and labor; (b) replace 
the product with one of the same or similar 
design; or (c) refund the purchase price. All 
replaced parts and products, and products on 
which a refund is made, become the property 
of RadioShack. New or reconditioned parts and 
products may be used in the performance of 
warranty service. Repaired or replaced parts and 
products are warranted for the remainder of the 
original warranty period. You will be charged for 
repair or replacement of the product made after 
the expiration of the warranty period. 
This warranty does not cover: (a) damage or 
failure caused by or attributable to acts of God, 
abuse, accident, misuse, improper or abnormal 
usage, failure to follow instructions, improper 
installation or maintenance, alteration, lightning 
or other incidence of excess voltage or current; 
(b) any repairs other than those provided by 
a RadioShack Authorized Service Facility; (c) 
consumables such as fuses or batteries; (d) 
cosmetic damage; (e) transportation, shipping or 
insurance costs; or (f) costs of product removal, 
installation, set-up service adjustment or 
reinstallation. 
This warranty gives you specic legal rights, and 
you may also have other rights which vary from 
state to state.
RadioShack Customer Relations
300 RadioShack Circle  
Fort Worth, TX 76102    12/99

138
139
Notes:

138
139
Notes:

©2012.  RadioShack Corporation. 
All rights reserved. RadioShack is a 
trademark used by RadioShack Corporation.
Hypersearch, Hyperscan, and Adaptaplug are trademarks used by 
RadioShack Corporation.
Motorola, Smartnet, Smartzone, Omnilink, ASTRO and Privacy Plus 
are registered trademarks of Motorla Inc.
EDACS is a registered trademark of MA-COM Inc.
LTR is a registered trademark of EF Johnson.
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