Maxon CIC SP7402 UHF LMR User Manual
Maxon CIC Corp. UHF LMR Users Manual
Users Manual
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| Document ID | 890359 |
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| Document Description | Users Manual |
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| Date Submitted | 2008-01-17 00:00:00 |
| Date Available | 2008-01-17 00:00:00 |
| Creation Date | 2007-11-06 08:10:28 |
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Function Description
SP-7402
Function Description
2007-08-03
1/32
Synthesized Scanning Radio
FCC RF EXPOSURE COMPLIANCE REQUIREMENTS FOR
OCCUPATIONAL USEONLY
The Federal Communications Commission (FCC), with its action in General
Docket 93-62, November 7,1997, has adopted a safety standard for human
exposure to Radio Frequency (RF) electromagnetic energy emitted by FCC
regulated equipment. Maxon subscribes to the same safety standard
for the use of its products. Proper operation of this radio will result in user
exposure far below the Occupational Safety and Health Act (OSHA) and
Federal Communications Commission limits.
DO NOT transmit for more than 50% of total radio use time (50% duty
cycle). Transmitting more than50% of the time can cause FCC RF
exposure compliance requirements to be exceeded.
This radio is NOT approved for use by the general population in an
uncontrolled environment. This radio is restricted to occupational use,
work related operations only where radio operator must have the
knowledge to control the user’s exposure conditions for satisfying the
higher exposure limit allowed for occupational use.
When transmitting, hold the radio in a vertical position with its microphone
2 inches (5 cm) away from your mouth.
The radio is transmitting when the red LED on the front of the radio is
illuminated. You can cause the radio to transmit by pressing the PTT bar
on the radio.
These are required operating configurations for meeting FCC RF
exposure compliance.
Failure to observe these restrictions mean violation.
Safety Information
The Federal Communications Commission (FCC), with its action in General
Docket 93-62, March 13, 1997, has adopted a safety standard for human
exposure to Radio Frequency (RF) electromagnetic energy emitted by FCC
regulated equipment. Maxon subscribes to the same safety standard for
the use of its products. Proper operation of this radio will result in user
exposure far below the Occupational Safety and Health Act and Federal
Communications Commission limits.
WARNING - DO NOT hold the radio in such a manner that the antenna is
next to, or touching, exposed parts of the body, especially the face or eyes,
while transmitting.
WARNING - DO NOT allow children to operate transmitter - equipped radio
equipment.
CAUTION - DO NOT operate the radio near unshielded electrical blasting
caps or in an explosive atmosphere unless it is a type especially designed and
qualified for such use.
CAUTION - DO NOT press and hold the transmit switch (P-T-T) when not
actually wishing to transmit.
NOTE: This radio operates in FCC regulated frequency bands. All
radios must be licensed by the FCC before use. Because this
radio contains a transmitter, Federal law prohibits
unauthorized use or adjustments of this radio.
Function Description
SP-7402
Table of Contents
1.
2.
3.
4.
5.
6.
Panel Description ................................................................................................................ 4
(1)
Front Panel................................................................................................................. 4
(2)
LCD Display ............................................................................................................... 5
(3)
Display Option ........................................................................................................... 6
Basic Functions ................................................................................................................... 7
(1)
Power On/Off & Volume Control .............................................................................. 7
(2)
Receiving and Transmitting ..................................................................................... 8
(3)
User Set Mode ......................................................................................................... 15
Emergency Function ......................................................................................................... 16
(1)
To transmit Emergency Call ................................................................................... 16
(2)
Effect......................................................................................................................... 16
(3)
Emergency ID .......................................................................................................... 17
(4)
Formation of the Emergency Call.......................................................................... 17
(5)
Emergency Call Options......................................................................................... 17
Scan Function .................................................................................................................... 18
(1)
Description............................................................................................................... 18
(2)
Scan Type................................................................................................................. 18
(3)
Nuisance Delete....................................................................................................... 18
(4)
Scan List Edit........................................................................................................... 19
(5)
Priority Channel / Lookback Channel Setting ...................................................... 19
(6)
TX Channel on Scan................................................................................................ 19
(7)
Scan Operation Diagram ........................................................................................ 20
Signaling Function ............................................................................................................ 21
(1)
Signaling Type & Transmission ............................................................................. 21
(2)
Signaling Functions and Receiving ...................................................................... 23
(3)
Signaling Operation Example ................................................................................ 26
(4)
5-Tone Table............................................................................................................. 28
Other Functions ................................................................................................................. 29
(1)
Memory Channel ..................................................................................................... 29
(2)
Battery Indication .................................................................................................... 29
(3)
Key Lock .................................................................................................................. 30
(4)
Transceiver Lock ..................................................................................................... 30
(5)
Compander............................................................................................................... 30
(6)
Scramble .................................................................................................................. 30
2/32
Function Description
7.
SP-7402
(7)
Man Down ................................................................................................................ 31
(8)
Lone Worker ............................................................................................................ 31
Function List & User Set Mode Function ........................................................................ 32
3/32
Function Description
SP-7402
1. Panel Description
(1) Front Panel
No.
Description
No.
Power On/Off, Volume Control S/W
Rotary Selector
Emergency Button
Monitor Button
PTT Key
Description
Up/Down / Select Button
LED Indicator
LCD Display
Default Programmable Keys
Optional 10-keypad
4/32
Function Description
SP-7402
(2) LCD Display
No.
Description
CH, Group, Name, Message etc. Display Digit
Scroll Indicator
RSSI Indicator
Monitor Indicator
VOX On/Off Indicator
Scrambler On/Off Indicator
Compander On/Off Indicator
Bell Indicator
Call Indicator
Key Lock On/Off Indicator
Battery Gauge
Display Example)
Ex) Group-Channel Display
Ex) Channel Display
Priority Channel Indicator
Lookback Channel Indicator
Ex) Scroll의 예
Ex) Name Text Display
5/32
Function Description
SP-7402
(3) Display Option
1) Display Type
Channel Name Display
Display only Channel Name when this type is selected.
Display the Group Number for a second when Group is changed.
Scrolls when the name is more than 7 characters
Channel Number Display
Display only Channel Number when this type is selected.
Display the Group Number for a sec when Group is changed.
Group / Channel Number Display
Display Group & Channel Number when this type is selected.
Group / Channel Name Display
Display Group & Channel Name when this type is selected.
Display ‘/’ between Group and Channel Name as a descriptor.
Scrolls when the name is more than 7 characters
6/32
Function Description
SP-7402
2. Basic Functions
(1) Power On/Off & Volume Control
1) Power On/Off
To turn on the radio, rotate the volume knob clockwise beyond detent.
To turn off the radio, rotate the volume knob the most counter-clockwise
beyond detent.
Ex) Power On
2) Power On Sequence
Initialization & Self Test
Initialization and self test are performed when the radio is turned on.
At this time, if some errors occur, error message shall be displayed.
Ex) EEPROM Error
Power On Beep Generation (Option)
Beep sounds out after success of Initialization and Self Test.
(Depends on Beep Option)
7/32
Function Description
SP-7402
Display Start Logo (Option)
Display the Start Logo for a second. If there is no predefined start logo, all
digits and icons will be displayed for a second.
Ex1) Start Logo
Ex2) Non Start Logo
Password Check (Option)
Password function is the function that the user who knows the password
can use the radio. (Depends on password option)
Password can be consisted of 1 to 4 numerical digits.
In case of the radio with 10-keypad, 10-keypad can be used to input the
password.
* Usage of keys for inputting password
: Confirm (Enter)
: Delete (Error Beep out if there is no digit to delete.
: Confirm (Enter)
: Digit Value Change
: Next Digit
: Delete
(2) Receiving and Transmitting
1) Receiving
Channel & Group Selection
Group Selection
① Rotary Selector
Rotary Selector can be used to select each group up to 16.
If blank group is selected, the radio keeps the last used
channel status.
8/32
Function Description
SP-7402
② Programmable Key
To select the group up or down direction, push the
programmed key.
If there are blank groups within the total groups, the blank
group is skipped automatically when group is changing.
Channel Selection
① Rotary Selector
Rotary Selector can be used to select channel up to 16.
If blank channel is selected, the radio keeps last used
channel status.
② Programmable Key
Push to select the channel up or down direction.
If there are blank channels within the total channels, the
blank channel is skipped automatically when channel is
changing.
Busy
Busy Status: When receiving a call
Amber color LED turns on in busy status.
Ex) LED Display
9/32
Function Description
SP-7402
Correct Call
Correct Call Status: When proper CTCSS tone or DCS code is decoded.
Green color LED turns on in correct call status
Monitor Operating
Release squelch and tone option to check whether you can use or not
current channel.
Mode
Description
Push Mode
Push and hold the key in short time, to enter to
monitor push mode.
Squelch and tone option are released while push
and hold the key.
To return to normal mode, release the monitor key.
Hold Mode
Push and hold the key in long time, to enter to
monitor hold mode.
After a confirm beep, monitor operation is held even
if the key is released.
To return to normal mode, push and release the
monitor key once more.
Display Ex.
Monitor On Indicator
Group – Channel Display
10/32
Channel Display
Function Description
SP-7402
RSSI (Received Signal Strength Indication)
This function is to indicate the received signal strength.
Display Ex.
Signal Strength
Receiving Option
Squelch Level Control
Squelch level is adjustable 1 to 9 step by PC Program or User Set
Mode.
Sub-Audio Tone
① CTCSS
The radio has a CTCSS tone squelch function which consists of
38 standard tones and 12 non-standard tones.
No.
10
11
12
13
Freq.
67.0
71.9
74.4
77.0
79.7
82.5
85.4
88.5
91.5
94.8
97.3
100.0
103.5
No.
14
15
16
17
18
19
20
21
22
23
24
25
26
11/32
Freq.
107.2
110.9
114.8
118.8
123.0
127.3
131.8
136.5
141.3
146.2
151.4
156.7
162.2
No.
27
28
29
30
31
32
33
34
35
36
37
38
39
Freq.
167.9
173.8
179.9
186.2
192.8
203.5
210.7
218.1
225.7
233.6
241.8
250.3
69.4
No.
40
41
42
43
44
45
46
47
48
49
50
Freq.
159.8
165.5
171.3
177.3
183.5
189.9
196.6
199.5
206.5
229.1
254.1
Function Description
SP-7402
② DCS (IDCS)
The radio also has a digital coded squelch function which
consists of 104 codes.
No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
Code
023
025
026
031
032
036
043
047
051
053
054
065
071
072
073
074
122
114
115
116
125
131
132
134
143
145
No.
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
Code
152
155
156
162
165
172
174
205
212
223
225
226
243
244
245
246
251
252
255
261
263
265
266
271
274
306
No.
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
Code
311
315
325
331
332
343
346
351
356
364
365
371
411
412
413
423
431
432
445
446
452
454
455
462
464
465
No.
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
Code
466
503
506
516
523
526
532
546
565
606
612
624
627
631
632
654
662
664
703
712
723
731
732
734
743
754
Signalling (2-Tone, 5-Tone, DTMF)
Î There are three type audio-band tone signaling.
Refer to Signaling section.
Tone Squelch Option
① Tone Squelch 1 (On/Off)
All Tone Squelch On/Off (Sub-Audio, 2-Tone, 5-Tone, DTMF)
Display Ex.) Display tone squelch status for a second when the
status is changed.
12/32
Function Description
SP-7402
② Tone Squelch 2 (On/Off)
Only audio-band tone squelch(2-Tone, 5-Tone, DTMF Squelch)
On/Off
Display Ex.) Display the tone squelch status for a second when
the status is changed.
2) Transmitting
송신방법
PTT Key
Push the PTT (Push To Talk) key to transmit.
VOX function (Voice Operated Transmit)
This function is to transmit by voice without pressing the PTT key.
The radio can transmit by low and high level voice in accordance with
VOX level 1 to 4.
Transmit Option
PTT ID
When transmission is starting, PTT ID which consists of DTMF or 5tone depend on system and signaling option can be transmitted.
TX Power High/Low Control
Each channel can be capable of programmable output power via PC
programmer.
Each channel can be programmed high or low transmit power.
TOT (Time Out Timer)
This function is to prevent continuous transmitting over than specified
time that is programmed via PC programmer.
BCLO (Busy Channel Lock-Out)
This function is to prevent transmitting when current channel is in
busy status.
13/32
Function Description
SP-7402
Marked Idle
This option allows transmitting when current channel is in correct call
status even if BCLO option is applied.
TX Delay
This function is to eliminate the squelch tail on leaving transmission.
The radio transmits the turn off code (or tone) and return to receive
mode after the PTT key is released.
Roger Beep
When this option is on, beep sound shall be transmitted after the PTT
key is released.
Clear to Talk
This function is to inform that voice can be transmitted without a loss.
When PTT key is pushed beep sounds out after specified clear time.
Talk Around
This function allows communicating directly with other radios without
the use of a repeater.
When using this function, the receive frequency is used for both
transmitting and receiving.
This function shall be off automatically, when the channel is changed.
Display Ex.
3) Power Save
If this function is activated, the power save function will decrease the amount
of using power when current channel is no busy status and no operations are
being performed.
14/32
Function Description
SP-7402
(3) User Set Mode
1) This mode is to set internal settings that are not changed very often.
2) Setting
Push the User Set Mode key to enter the User Set Mode.
To select item: User Set Mode Key
To change value of the item: Up/Down Key
Exit without Save: Monitor Key (or after 10 seconds without key input)
Save & Exit: PTT Key
Items List
Beep
LCD Back Light
VOX
TOT
Squelch Level
MIC Sense
Compander On/Off
15/32
Function Description
SP-7402
3) Setting Ex.
3. Emergency Function
(1) To transmit Emergency Call
Push and hold the emergency key to transmit emergency call. (Push and hold the
emergency key once more to exit this function.)
(2) Effect
1) Alert tone
2) Backlight Blinking (one second interval)
16/32
Function Description
SP-7402
(3) Emergency ID
This ID consists of DTMF codes.
(4) Formation of the Emergency Call
Sender
TX
Effect(Option)
RX
ID(Option)
MIC Mute
MIC Unmute
RX
Receiver
MIC Mute
TX / RX
TX Time
EMG Call Start
RX Time
TX → RX
(5) Emergency Call Options
1) Cycle: The number of repetition
2) The number of repetition of Alert Tone
3) RX Time: Time for receiving
4) TX Time: Time for transmitting
5) Channel Type: Fixed Channel / Current Channel
17/32
RX → TX
Function Description
SP-7402
4. Scan Function
(1) Description
This function is to monitor a number of channels or channels within a group that
are defined in the scan list.
(Note: Start re-scanning when turning power on if the radio turned off while
scanning)
(2) Scan Type
1) Normal Scan: If there is no predefined priority channel, Normal Scan shall be
running.
2) Priority Scan: If the radio has a predefined priority channel, Priority Scan will
be running.
In this case priority channel is checked every three normal
channel scanning.
3) Power On Scan: When turning power on, the radio automatically starts
scanning.
4) Look Back Scan: When using priority scan, the radio will automatically change
to the priority channel when a call is received on the lookback channel. If the
priority channel is not correct call status, return to lookback channel. After
lookback interval time, the radio will repeat the above operation.
If the priority channel is correct call status, look back scanning will be
stopped and the radio receive a call until the priority channel will be not
correct call status.
(3) Nuisance Delete
This function is to temporarily delete a channel from the scan list.
1) How to use: Push the monitor key while scanning and stopped on the channel
to be deleted.
2) Note: The original scan list is recovered when the radio’s power is reset.
18/32
Function Description
SP-7402
(4) Scan List Edit
1) You can use the Scan List Edit Key to add or delete.
2) Display
The Scan List Add Indicator
(5) Priority Channel / Lookback Channel Setting
1) You can set Priority Channel / Lookback Channel using the each setting key.
2) Display
Lookback Channel Indicator
Priority Channel Indicator
(6) TX Channel on Scan
Transmission channel during scan
Scan Type
Priority Scan
Normal Scan
TX Option
Busy
No Busy
Priority Scan TX
Current Ch.
Priority Ch.
Priority Only TX
Priority Ch.
Priority Ch.
Normal Scan TX
Current Ch.
TX Inhibition
RX Only TX
TX Inhibition
TX Inhibition
19/32
Function Description
SP-7402
(7) Scan Operation Diagram
Group x
Current Group
Group y
Non-scan Channel
Scan Channel
Group x
Current Group
Group y
Non-scan Channel
Scan Channel
Current Group
Scan Channel
Non-scan Channel
Scan Order: P → 2 → 3 → 6 → P → 8 → P → 2 → P → ...
20/32
Function Description
SP-7402
5. Signaling Function
You can select signalling type of each channel. Especially 5-tone case, you can
select and set the format of the tone. (for example: ZVEI1, PZVEI, EEA, CCIR1
etc.)
You can select the sending signal code in the TX Code List which depends on the
signaling type of each channel.
In DTMF case, push the PTT key to send the code after inputting or selecting.
In 2-Tone and 5-Tone case, push the Call key to send the code after inputting or
selecting. (Note: The Call Key must be programmed to send 2-tone or 5-tone
code.)
(1) Signaling Type & Transmission
1) DTMF
Transmission
Manual Dial: To send the DTMF codes press the numerical key with
programmable key while pressing the PTT key.
① 0 ~ 9, *, #
② P0: ‘A’ tone
③ P1: ‘B’ tone
④ P2: ‘C’ tone
⑤ P3: ‘D’ tone
Store and Send: Push the PTT key after finishing the DTMF codes
input.
① PTT: Code Save & Send
② Monitor: Cancel (Exit without Save)
③ ‘*’: Special Tone Selection Mode
I.
‘*’: *
II.
‘#’: #
III. P0: ‘A’ tone
IV. P1: ‘B’ tone
V.
P2: ‘C’ tone
21/32
Function Description
SP-7402
VI. P3: ‘D’ tone
④ ‘#’: Delete
TX Code Select & Enter
① PTT: Code Save & Send
② Monitor: Cancel (Exit without Save)
③ Up / Down: Code Selection
Redial
① Redial Key: Display the recent sent DTMF code
② PTT: Send
③ Monitor: Cancel (Exit)
Note: Error beep out if there is no Redial Code.
2) 5-Tone
Transmission
TX Code Select Mode
① TX Code Select & Enter Key: Enter to the TX Code Select Mode
② Up / Down Key: Select the code
③ Call Key: Send the code
TX Code Enter Mode
① TX Code Select & Enter Key (in TX Code Select Mode): Enter to
the TX Code Enter Mode
② Up / Down Key: Edit the code digit
③ TX Code Select & Enter Key (in TX Code Enter Mode): Change
the digit
④ To return to the TX Code Select Mode push the TX Code Select
& Enter Key after the last code editing.
PTT Key: Save & Exit
Monitor Key: Cancel (Exit without Save)
Up / Down
① Code Select Mode: Code Selection
② Code Enter Mode: Digit Code Edit (0 ~ 9, *)
22/32
Function Description
SP-7402
3) 2-Tone
Transmission
TX Code Select & Enter
① PTT: Code Save & Send
② Monitor: Cancel (Exit without Save)
③ Up / Down: Code Selection
(2) Signaling Functions and Receiving
1) ANI (DTMF & 5-Tone)
Display the received code on the LCD.
Display the alias text if the received code matches with one of the code in
the RX Code List.
Display time is 10 seconds.
2) Selcall (DTMF & 5-Tone)
The radio will do the correspondent action if the received code matches
with current channel ID.
Action
LED: LED(Amber Color) Blink Effect
ICON: Icon Blink Effect
Alert Tone: Alert Beep Effect
Squelch: Squelch Effect
3) Code Match Operation
The radio will do the correspondent action if the received code matches
with one of the code in the RX Code List.
LED: LED(Amber Color) Blink Effect
ICON: Icon Blink Effect
Alert Tone: Alert Beep Effect
Squelch: Squelch Effect
23/32
Function Description
SP-7402
Stun
① When receiving the Stun Code display the stun message until
the stun mode is released.
② All keys are disabled except the EMG key. (Only Emergency
Call and receiving are possible.)
③ Key pressing except the EMG Key will make Error Beep.
Revive
① When receiving the Revive code in stun mode the radio return to
normal mode.
② When releasing the Stun Mode Cancel Beep out and the revive
message will be displayed on the LCD for a second.
Text: The text correspondent with the received code will be displayed,
4) Optional Functions
Transponder: This function is to send the Alert Tone automatically when
the received code matches with current channel ID.
Auto Reset Time: After matching status(the received code matches with
current channel ID or one of the codes in the RX Code List) if Auto Reset
Time is elapsed with no busy status return to call standby status.
Push the monitor key to return to call standby status before Auto Reset
Time is elapsed.
24/32
Function Description
SP-7402
Remind Time: After matching status if there is no key input correspondent
call icon will be blinked while reminding time.
Push any key to stop the icon blinking.
Receiving status will be displayed until any key input.
DTMF Case
5-Tone, 2-Tone Case
Display the correspondent text when the
received code matches with one of the
codes in the RX Code List.
25/32
Function Description
SP-7402
(3) Signaling Operation Example
1) DTMF
ANI: Displays the received DTMF code.
Receiver2's DTMF RX Code List
Sender
Code
Name
Actions
10001
KIMYN
10002
RYUJG
SQL Open
10003
KIMY
Alert ON
10004
KIMCG
LED ON
00001
NOTHING
00002
BUSY
00003
READY
00004
COMEON
10001
10001
Receiver 1
Receiver 2
Display "10001"
Display "KIMYN"
Command: Carries out designed actions if the transceiver receives a valid code.
Receiver1's DTMF RX Code List
Code
Name
Sender
Actions
10001
KIMYN
10002
RYUJG
SQL Open
10003
KIMY
Alert ON, Icon Blink
10004
KIMCG
LED ON
00001
NOTHING
00002
BUSY
00003
READY
00004
COMEON
10003
10003
10003
Receiver 1
Receiver 2
Receiver 3
Alert ON, Icon Blink
No Response
No Response
Alert: Beeps out if the received DTMF code and Ch. ID are the same.
Channel Data
CH NO. Signaling
CH ID
CH 1
DTMF
10001
KIMYN
CH 2
DTMF
10002
RYUJG
CH 3
DTMF
10003
KIMY
CH 4
DTMF
10004
KIMCG
CH 5
DTMF
10005
TWR_SW
CH. 6
DTMF
10006
TWR_HW
CH 7
CH 8
Sender
Name
10005
10005
10005
CH 5
CH ID: 10005
CH 5
CH ID: None
CH 1
CH ID: 10001
Alert ON
No Response
No Response
26/32
Function Description
SP-7402
2) 5-Tone Group Call
Channel Data
No.
Signaling Type
CH ID
CH. Name
5-Tone
10001
KIM
5-Tone
10002
RYU
5-Tone
10003
YONG
5-Tone
20001
KANG
5-Tone
20002
CHUNG
5-Tone
20003
JONG
5-Tone
30001
KWANG
Group A
Sender
100AA
100AA
100AA
KIM
Group Call Beep
KANG
No Response
LCD Blink('Group')
27/32
KWANG
No Response
Group B
Group C
Function Description
SP-7402
(4) 5-Tone Table
Tone
ZVEI1
PZVEI
DZVEI
DDZVEI PDZVEI
2400
2400
2200
2400
1060
1060
970
1160
1160
1270
Euro
CCIR1
CCIR2
PCCIR
EEA
2200
1981
1981
1981
1981
979.8
1633
1060
970
1124
1124
1124
1124
903.1
631
1060
1160
1060
1197
1197
1197
1197
832.5
697
1270
1160
1270
1160
1275
1275
1275
1275
767.4
770
1400
1400
1270
1400
1270
1358
1358
1358
1358
707.4
852
1530
1530
1400
1530
1400
1446
1446
1446
1446
652.0
941
1670
1670
1530
1670
1530
1540
1540
1540
1540
601.0
1040
1830
1830
1670
1830
1670
1640
1640
1640
1640
554.0
1209
2000
2000
1830
2000
1830
1747
1747
1747
1747
510.7
1336
2200
2200
2000
2200
2000
1860
1860
1860
1860
470.8
1477
2800
970
825
885
825
2400
2400
1050
1055
---
1995
810
810
740
810
886
930
930
930
930
571
970
2800
2600
740
2600
2247
2247
2400
2400
2205
885
885
885
680
856
991
991
991
991
2437
2600
2600
2400
970
2400
2110
2110
2110
2110
Note
Group Tone: A (‘*’)
Repeat Tone: E
Example: 11111 Î 1E1E1
28/32
signal
1062.9
NATEL
1805
Function Description
SP-7402
6. Other Functions
(1) Memory Channel
1) Description
You can memory channels that are frequently used up to 10 memory
channels.
Programmable key and 10-keypad can be used as a memory channel key.
2) Operation
In case of no 10-keypad, you can memory channels up to 4 memory
channels.
If you push the memory channel key, current channel will be changed to
correspondent memory channel like as Direct Channel Function.
When memory function is activated, the rotary selector position can be
different from current memory channel information.
(2) Battery Indication
1) The battery indicator shows approximately how much charge is left.
2) Display (4-Step Display)
3) Low Battery
Battery Icon will be blinked and warning beep out when the battery is low.
Blinking the battery icon
4) Low Battery in Transmitting
If battery is low when transmitting, next transmission will be inhibited.
29/32
Function Description
SP-7402
(3) Key Lock
1) All keys are locked except EMG, PTT and Rotary Selector.
To release the key lock status, push the lock key once more.
2) Display of the Key Lock Status
Key Lock Icon
(4) Transceiver Lock
1) This function is to prevent others from using the radio.
If you push the transceiver lock key, when the radio has no password
Error Beep out and Error Message will be displayed.
(5) Compander
1) This function is to reduce noise components from the transmitting audio to
provide clear voice quality.
2) Display: The compander icon appears when the function is on.
(6) Scramble
1) This function is to prevent others from easily listening your call.
2) Display: The scrambler icon appears when the scrambler is on.
30/32
Function Description
SP-7402
(7) Man Down
Î Optional Function
(8) Lone Worker
If there is no key input within the specified time, warning beep out while warning
duration.
If there is no key input while warning duration, emergency call is transmitted
automatically.
31/32
Function Description
SP-7402
7. Function List & User Set Mode Function
Value
Function
Remark
None
Backlight OFF / ON / AUTO
Beep OFF / ON
Call
Channel Down
Long Key
Channel Up
Long Key
Compander OFF / ON
Group Down
Long Key
Group Up
Long Key
Key Lock
10
Lone Worker`
11
Lookback Channel Setting
12
Man Down OFF / ON
13
Memory Channel 1
14
Memory Channel 2
15
Memory Channel 3
16
Memory Channel 4
17
Priority Channel Setting
18
DTMF Redial
19
Scan List Setting
20
Scan Start / Stop
21
Scrambler OFF / ON
22
Talk Around
23
Tone Squelch1
24
Tone Squelch2
25
Transceiver Lock
26
TX Code Select & Enter
27
TX Power High / Low
28
User Set Mode
29
VOX OFF / ON
Controls the whole beep.
30
31
Reserved
Compander
MIC Sense
Squelch Lv.
32/32
TOT
VOX
Backlight
BEEP
Service Information
Service
Do not tamper with internal adjustments. Damage to the equipment and/or improper operation may result.
There are no user serviceable items inside the radio.
It is recommended that you return your radio to a qualified Maxon Dealer for any service or repairs.
Recycling/Disposal of Batteries
The battery should be recycled at the end of its useful life. Under various state or local laws, such
batteries must be recycled or disposed of properly and cannot be dumped in landfills or incinerators.
For jurther information on how to safely dispose of four used batteries, contact your reseller.
Maintenance
Your SP7402 Radio is designed to be maintenance free. To keep your radio in good working condition:
Clean external surfaces with a clean cloth dampened in a solution of dishwasher detergent diluted in water.
Apply the solution sparingly to avoid any moisture leaking into cracks and crevices. Do not submerge the
radio. Use a non-metallic brush to dislodge stubborn particles, if necessary. Dry the surface thoroughly
with a soft, lint free cloth.
DO NOT use solvents or spirits for cleaning - they may permanently damage the housing.
Clean the battery contacts on the back of the radio with a lint free cloth to remove dirt, grease, or other
foreign material that may impede good electrical contact.
Limited Warranty
Maxon shall have no obligation to make repairs or to cause replacement required which result from
normal wear and tear or necessitated in whole or in part by catastrophe, fault or negligence of the user,
improper or unauthorized alterations, repairs to the Product, use of the Product in a manner for which it
was not designed, or by causes external to the Product. This warranty is void if the serial number is
altered, defaced or removed.
Maxon's sole obligation hereunder shall be to repair or replace the Product covered in the above warranty.
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