HQT Science and Technology TH-288U Two-way radio User Manual TH 288

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Document ID	2444106
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Document Description	Users Manual
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Document Type	User Manual
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Date Submitted	2014-11-13 00:00:00
Date Available	2014-11-13 00:00:00
Creation Date	2014-11-12 01:19:11
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Document Title	TH-288
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@Har
Usér Manual
T H-288
Pm/essmna/ Two-way Rama
@Har
SHENZHEN HOT SCIENCE G- TECHNOLOGY 60., LTD.
For more informafion, please vwsil http://www.ilqt-lech‘com‘
mingmms mum H01 l’muru:ahuwnmth:manualArcfmyouncfcrcncc
only‘ «mm K Hunlunhun‘ guarding m the mm “mm, Must
Welcome
Thank you for your purchase. We are confident that 111: function and
quality will bring you stable, reliable, and clear communication Please
read 11m manual before operating ihc radio.
o Ergonomic & Light Design
' 16 Channels
I LED Indicator Light
0 Voice Prompts
O VOX
O TimeroutrTimcr
0 Scan
' CTCSS/DCS
- Programmable Key
0 Auto Battery Save
0 Wired Cloning
u PC Programming
Table of Contents
Safety Information .......... . . . . .02
Product Inspection 04
Getting Started V
Attaching&Rcmoving ...... . . . . .06
Radio Overview ,. Hog
BasicOperation. . . . . . ., .... . . . 10
Advanced Operation,., ...... 12
Monitor 13
Battery Power Check ..
CTCSS &DCS "13
Busy Channel Lockout ...... 13
D'l'MF Encode , ............ ,. 13
VoicePrompts
Squclch
Scan . . . . . . . . . . . ..
Low Power Alert
Battery Saving ., . . . . . .,
WiredClm—lg
Optional Accessories .. .
Trouble Shooting
Care and Maintenance
Warranty Statement ..
l4
I4
14
...... ., ., 14
14
15
15
16
18
19
Table of Contents
AppendixI: Specification .. , ,.
Appendix II: Technical Terms. .. ,.
“21
Safety Information
Please read the following safety gmdclmcs. Nonobscrvancc ufthcsc gmdclincs may cause danger or f
violanun oflaw.
Wammg
\Vnmmg
Wnnung
“’3me
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Table of Cements
Safety Information
Product Inspection
- FCC RF EXPOSURE COMPLlANCE REQUIREMENTS FOR OCCUPATIONAL USE ONLY
The Federal Communlmuans Cemmlseren (Fcclr wrm lie acllun In General Deckel 93762, November 7, 1997, has Thanks for Chmsmg the HQT TH'ZSS Series radio. Before use, please ChECk 11331 the following
adopted a serery standard ler human expesure m Radlu Frequency (RF) eleclronregneire energy ernmea by FCC \ s , . .
regulelea equipment Proper operanen of line man: will resell ln user exposure lar belaw me Oculpaflnnal safely and CDnanLS an. leudc‘l‘
Healln Am (OSHA) and Federal Communicahuns Commission lrnnls
DO NOT imnsrnii ier more man 50% uhmal ream use Ilme (50% my cycle) Transrnrmng more lnan 507. ellne
urns an cause Fcc RF exposure eernplranee rWulremeMs m be exceeded.
. This radio is NOT approves for use by the general populauon in an unwnlmllea environment This mdla IS restricted
in mpafiunal use, work relalzd eperalrens enly wnere raaie operator rnesl have me knuwledge Io eonlrel me user's
exposure conditions la salrsryrng lne nrgner exposure lrrnrl allowed ier oeeepauenel use
. wnen hansmmlng, hold me radre in a vefllcal pasrnen wrin its rnrerepnene l rnen (2 SEM) away from your mum
. The radio is nransmming wnen lne red LED on lne nenl er lne rearo ls lllumlrlmed Von can cause Ihe red-e lo mm
by pmss'ng we Prr ear an lne radio
- These are requrrea operallng canneerailens lor meenng Fcc RF ewesere cumullancz Failure le ubselve mesa Radm‘ml'zxg Am?“ ”1°" Emery
resmcirms mean vlclailcn L) y Qty, 1 Qly. l
C a u tl o n
Any Changes or mo llcatluns not expressly approved by lhe party responsible luv compliance could
were user‘s aulnerllyleeperalelneeeerpmenl L
ThlS flevlce complies wllh pan is onne Fcc Rules Operation l5 su bleclla lne fallowlng lwa commons Adaplcl Belt (illp \vlrh scmws Lanyard Snap User Manual
(1)Thls device may nor cause nannlel lnleflerence‘ and (2) "Us device rnesl accepi any inierlerense Qty: 1 W l er.
receiver; lncludlng inierference that may cause undesired eperalron
QW‘ |
For any damage or losr cantents, please eemecr your Aulhorlnd Techt Dealer
l3. Me: For anlcnna ldcnlllicalion, lhc frequency is marked on lhc color circle al lhc bollom nflhc enlme
Safety Information
Product Inspection
Getting Started
Charging the Battery
Please charge the hifllery as renews
1 Turn errthe radio rel epttmum charging
2 Plug the AC cunnecmr of the adaptor rute an AC (110~24()V) autlet
3 [men the balmy ur rariur equipped Wllh battery mm the charger
~ Red LED turi rue» hattery 1\ Charging Green LED indica|e\ Charging is eamplete
~ The hattery rs nul charged at the l'actery
Attaching & Removing
Attaching & Removing the Battery
1 Fur uttuehtng, sltrle the battery up from the bottom
until it leeks secuiely rate place (figure 1)
2 Before removing, make sure the radte is turned off.
For remaval, pu.\h the hatterv lack and \llLle the hattery
downwards. (figure 2)
(figure 1) (figure 2)
Attaching & Removing the Belt Clip ‘
To attach the belt clip, secure the belt clip with r
the 2 screws pruvidetl (Phillips head screwdriver 1
required). To remeve, reverse the screws and the
belt Clip can be removed. (figurc3). Note: the belt
clip does not need to be removed to remove the
battery,
(figure 3)
Getting Started
Attaching & Removing
Attaching & Removing the Antenna
I ’10 attach, inscn the antenna mm the connector on
ihc lop of me radio by hulding [he amenna at irs
base and mute Lhe antenna clockwise to fasten it.
(figure 4) IMPORTANT: [)0 nm aver (ighten
antenna ns i! ll cause dnmge u. the main,
2:12: remove. hold me aulcnna ar its base and mm Ihc
amennu eunmer clockwise unlll yuu mm iemuve n
(figure 5 )
(figure A) (figure 5)
Attaching External Audio Accessories
Pull down the cover or earphone/microphone jack
and msen the cancer audio accessory imo me jack.
Please make sure um die piuper nudie accessoly is
being used and um n is properly scaled in the jack
(figure 6)
(figure 6)
Radio Overview
Attaching & Removing
Radio Overview
0 Antenna
Amennu wlll. screwed cunnecmr rs requlled for
proper [mnsmit and receive ofradlo.
9 Channel Selector
Route eluckwlse or counter eluckwlse to select
opclarlng channel.
0 Power Switch/Volume Control
Run“: the knob clockwise until a Clle munch to
men llre radio. Keep turning clockwise ro lncruase
volume Tum counter cloclese lo dame volume
Keep lolaung couurcr clockwise unul a click
sounds 10 [um oll'mdlu
0 LED Indicator
LED glows rerl during transmitling; glows green
durlng recon/lug, nusllcs red when hallcry power
is lnsumclonl; naslles ruecu during scamlillg.
6 Strap Hole
For use wlllr lanyard snap,
o PushrTorTalk (PTT)
Press Pl"l key ro Iransmll; release it to recclvc
O Programmable Key
Defunll is battery olrook with sllorl press and
mnnltnr fimcllon wull long press.
9 Audio J aek/Data Port
Connect the earphone/microphone or dala cable.
0 Speaker/Microphone
a) Belt Clip
0 Lirlon Battery
Basic Operalion
1. Turn On/Off
Turn on the ralllo by rotating l>owor Switch/Volume
Conlrol knob eluckwlse unul a click is sounded.
'l'um off the radio by mtaling Power Switch/Volume
Conlrol knob counter clockwise unnl a click ls
sounded.
2. Adj usl Volume
Rotate Power SwllchNolume Control knob to adjust
volume when the radio is on.
more: l'llc volume eau also uc adjuslco ln accoldarlcc wi|h
background nolsc durlllg mummlmg
Radio Overview
Basic OperaLion
3. Channel Selection
Rotate the ehonnel knob to select operating channel
fmm 1.15 or (15+Scan), according m lhe numbers
and symbols on Lhe bullom ol‘ehamrel eeleeror knob
or ehannel nnnnnelanon,
\\
4 Make a Call
'l'u make a eall, press P key and speak lmn rhe
mrerophone wnh a normal voree. Keep me rndro/
microphone area 2" (5 cm) away from your mouth
5. Receive a Call
Calls can be received when PTT is released and the
radio is in slandhy mode
Advanced Operation
Certaln rune-none can be made possible through
programmmg snflwarc as programmed by an
Authmlzed TeeNel Dealer.
PC Programming
l. Tum olT the radio and connect the plugrdmmmg
enhle bclwccn rhe radio and PC (See figure 7)
2. For rhe semng uf paramelers and \vmmg ro lhe
radio, please refer lo the Help documenls of lhe
sofrwore.
Progranrrnrng Cable (apllonal)
(figule 7)
stlc Operauon
Advanced Operation
Monitoring
1.Tlie receiving status of the selected channel can be
checked by a long press or the side button located
below the PTT (programmable key). This allows
the squelch to open on the radio so any leceived
audio can be heard. Default Mode: Press Lind hold
of the monitoi button for up to 2 seconds to monitor
the channel tor activity.
2.When this function is on, the volume can be adjusted
with the Volume Control.
Battery Power Cheek
l.The battery level/condition can be checked by a
shon press of the side button located below the
PTT (programmable key). Del'ault Mode. Press
momentary and release, the radio will announce
the power level as “high battery power", “battery
middle power". “low battery power" or “please
charge".
2.rhis function is disabled/enabled through the
programming sohware (default is on)
CTCSS/DCS
1.With this function, users can ieceive calls in
corresponding channels only with the same
C’I‘CSS/DCS: without this function. users cart receive
calling from all corresponding channels using the
some liequency.
2This function is disabled/enabled through the
progiatnming software.
Busy Channel Lockout (BCL)
l. when BCL is activated it prohibits transmitting
on the channel if occupied by other users this is
indicated by an audio alairn when pressing the
PTTV
2. When the channel becomes unoccupied, users can
resume talk
3. This function is disabled/enabled through the
piogamniing sottware (default is oh)
DTMF Encode
LThls runction is disabled/enabled through the
programming sohware (dcleull \S on),
2.If enabled, users can send DTMF code at slam or
the and oftransmlssion.
Voice Prompts
[Channel voice: the radio would report the channel
inronnation when you change the chamiel.
z,Low Power prompt: the radio would repon low
battery information when the voltage reaches the
minimum operating voltage
3,5can Operation Prompt. the radio would report the
information when the channel sets to the
designated scanning channel.
zlxrhesc prompts can be disabled/enabled through the
programming sottwarc.
Time Out Timer (TOT)
1, The TOT function prevents extended periods of
transmitting. which ean cause possible damage to
the circuitry oftht: radio
2. 1r transmitting oecurs longer than the set time, the
radio wlll stop transmitting and an alarm will
sound, Cease piessing the PTT, Press PTT again to
resume transmitting,
lDefault is 180 seconds, The lime duiation can be
changed through the piograinnnng sottware.
Squeleh Levels
llhrough adjusting squelch level, the radio with a
lower squelch level allows weak signals to be
receiyed.
2 Default level is 4, Levels can he changed through
the piograminiiig sollware, which ranges from or
9. when you choose 0, the squelch is open,
iiighcr numbers tighten the squelch reducing the
noise and interference.
VOX
l VOX can be enabled to transmit Without n , ng
the PTT itey when the voice signal is transmitted
through the microphone orthc radio.
2.This function is disabled/enabled through the
progamming software (default is om.
Scan
l.ihis function is disabled/enabled through the
programming sonware (default is oh)
2. When the scan funetioii is enabled, channel lb
bttomcs the scan channel. Tht .l-zl) (lashes green
and the radio will scan those ehanncls assigned to
scan. lla signal is received. the radio will cease
Advanced Operation
Advanced Operation
scanmng and slop on that channel tor the duration
of the call
Low Power Alert
l.When the battery power becomes low during
transmitting, receiving, or standhy mode. the LhD
will flash red and the radio will announce “hanery
law". You must charge the tune!“ battery or
renlaee with a fully charged battery.
Battery Saving
l,irthere is no signal or operation after 5 seconds, the
battery saving function will oecur automatienlly;
when signal is received or Liammitted, Lhe radio
will switch to normal power mode.
2.Muluple battery save tiinctioiis can be done
through the programming software (derauh is on).
Wired Clone
l. cloning ean he done with the programmlng
sortware and elening eable.
2. Connect the master radio to the slave radio with the
cloning cable, and then turn on the slave radio.
3. Press lefl lower key on master India for about 3
seconds until LED glows red, release it, then LED
glows red and green at the same time, whieh
means the master radio is leady for cloning.
4. Short—press lefi lower key on master radio again,
the red light (lashes, and green light on slave
railin flashes at the same time, afier they steps
tlashing, elone is finishing,
5 Change another slave radio, connect it to master
radio, and press lefi lower key on master mdm
again for more same operation.
Nate:
lfred and green lights on both master and slave radios
flash at the same time it means cloning has failed.
Clone Cable (optional)
Master Radio
Slave Radio
Advanced Operation
Wired Clonc
Optional Accessories
Optional Accosscrlcs are available according ro ynur renulrcrnenls, lncludlng'
Programming Cable Audio Accessories
Clone Cable
Trouble Shooting
Ploblem
Soluuon
Nu Powcr
- The hauery power may be insufficlem. Please charge cunem hallery
or change In a fully charged banery
Tnc bnncry power consumes
quickly nl'ler charge.
. lhc harrery life is finished; a now battcry would be required
Can nol commumcalc wllh olhcr
members
. Please check ifyour frequency and CTCSS/DCS arc Ihc same with
ulher members in your guup.
- Pcssrlnluy ufbcmg too far away from olher members, Please check
lryou are wthin commumcalion range.
Volccs of nonrgmup members
are heard on me channel.
- Plcasc cnangc c1 smcs, and change thosc nfynur mcmbcrs also
No sound or very low sound are
received by panner when
transmiuing
' Please check lflhc Volume ls lumcd to Its hlghcsl level,
- Be sure to speak urrecrly into me microphone on me radio.
No rcccpllun an the channel.
- You may be too far away from olhcr membcrs and cannol mews.
Please check if you are within communicallon range and try again.
Opnonal Accessories
Trouble Shooting
Care and Maintenance
These recommendations can help you use the radio
et‘iectrtely and years uIcunlInued use.
- chp the radio dry, Rain, moisture or other liquid
may cause damage to the radio.
- Do mil Lhmw, I'ut ur vibrate Ihc radio This may cans:
damagc lo the inner [C or other elements and void
the warranty,
I Do not hold the radio by the antenna or exlemal
audio accessories
- Please use the original or standard anumna Unapmnvad
antenna or modi canons tifaccesstmes may cause
damage to the radio
- Cover the earphonwmicrophone part when not using
the radio for a long time
- Use a mild detergent (not conosivc chemicals) and
cloth to clean the casing.
GtNote»
All recommendations above also refer to the hatttry,
charger and accessories,
Warranty Statement
Shcnzhcn HQT Science & Technology Co. Ltd.
otters to the original end user:
One (1) hair Limited Warranty mi 1191' Spnrm Selle:
Radios (separate Warranty period an ace ,soricr)
One (I) Year Lmiited Warranty m1 Accessories
(mcImi , hut rmt [muted In, hatter-lei, antennur. belt
clips, aha/gem, nudta accessories, nylon cases, leather
mm. etc)
HQT warrants each new radio product manufactured or
supillcd try it to he frcc horn defects in material and
wet manship under normal use and service for the am
period stated, ptovrded that the user has complied with the
requirements stated herottr The warmnty pmud begins on
the date at purchase frcm an Authorized IIQ'I Deal ,
This warranty is not assignable or transferable, This
wairanty is vuld it' the product serial number ts altered,
defaced or removed HQT is not responsible tor any
equipment that is attached to or used in contunction
with 0“] prttducih
During the wananty penod, Ifihc product fails to functlcn
uudcr notinal usc, htcausc or manufdcmmig defects or
workmanship it should be rammed it) the Author”
IIQT Dealer from which it was purchased The
Authorlied iiQT Dealer wtil repair the product or
return the pmducl for repair to HQT or its Authurlzcd
Repair Depot, 111:: user is responsible for the rcmov of
the product [mm a vehicle or any equipmeut attached to
it, or other site orits use, t . ~portattoti ot'the product to
thc Authorized HQT Dealer; for the return of the
repaired or rcplacemenl product to the site of its use and
for the reinstallatiois orthe product.
HQT shall have no obligation to make atrs or replacement
of product which results ftom nonna wear and tear or
is tiecessttated hy catastrophe, fault, or negligence or the
user, improper or unauLhorucd alterations or repairs to the
product, irieonect wrnnr, use for which it was not designed
crt hy causes extettial to the product, llQT‘s sole oliliihtticrrt
shall he to replace or repair the product covered by the
warranty. Replacement is done at IIQ'I‘S discretion and
may consist ota similar or higher featured product. Repair
may ttielutle the replacement ot'pitits with tiiuctionally
equivalent ncw or reconditioned parts. All replaced arts
and accessories are warranted for the halsnce cflhe ong'nttl
time pertod All park and accessories that are replaced
hceontc the property of shcnzhcn HQT Sciencc 3e
Technology Co ml.
THE EXPRESS WARRANTIES COAT/“NE HEREIN
ARI; IN LIEU OI" ALL 0 II IER WARRAN I'IL I'I‘I IER
EXPRESSED OR IMPLIED OR STATUTORY,
INCLUDING, WITHOUT LIMITATION, ANY
WARRAN I‘Y OI" MERCIIAB [ABILITY 0R I‘I'INESS
FOR A PARTICULAR PURPOSE
FOR ANY PRODUCT I'IIA'I DOES NOT COMPLY
WITH THE WARRANTY SPECIFIED. THE SOLE
RLMEDY WILL BE REPAIR OR REPLA MLNT. IN
NO EVENT WILL IIQT RE I IARIE FOR ANY
DAMAGES, INCLUDING ANY SPECIAL,
INCIDENTAL. INDIRLC'I OR CONSEQUENTIAL
DAMAGES, OR THE LOSS OF PROFIT, REVENUE
OR DATA ARISING OUT 01" THE USE OI: OR THE
INABILITY TO USE TIIE PRODUCT
Care and Maintenance
Warranty Statement
Appendix
Appendix 1: Specification
rm“ 111,233 Vlodulation Vlode RR :1: RE
Frequency Range 136~174MH7’400«470MH7 Max- “WWW < +2 SkH/
Deviation 7
channel Numbci l6 Md“) Dmmu“ 5%
Nonnnl Voltage DC 3.xv Frequency Stahtltty 12mm
Working Tempemlurc 725 c «55% Receiving Sensitivity viziiv
Lieu)" Battery ZOOOmAh Audio Power 700mW
Antenna impedance 50 Q Weigh 170g
Output Potter 2w,1w Dimension 105><54><30mm
Appendix 11: Technical Terms
Name
Descripu'on
Standby
The radio is in receiving mode when no key is operated.
CTCSS /DCS
CTCSS DCS lo a [one attached in an audio signal Il‘ll'le CTCSS
or DCS (mic oflhc Iransmillcr matches iliLiI ofihc rccclvcr, the
speaker IS unmuicd and Ihe audio will be heard, Ifihey do noi
match, mi audio will he heard.
Battery Save
If there is no signal being received or no operation being conduclcd for
some time. the radio will enter into power saving motley in this mode,
the radio will rtop working at regular intervals to save power,
The Time (Jul Timer (TOT) is used to prevent extended periods oi
TOT transmitting irnn extended period oftransmtttrng oeenrsr this can
cause damage to the circuitry oi‘lhe radio,
This rs to solve the problem oi talk qualily rind noise. strueith 15 to
Squelch suppress the background noise and keep the radio quiet when no signal
is received. it can mute the radio when no signal is received. Turn on
Lhe Squeich. and you will hear the sound trern the speaker.
Appendix
Appendix
Squelch On in the on eondiiinn, ihe radio \< rccciving all audio signals
M . Thls luneiien enables you to hear all [he calls even wllh unmulched
“mm" C'l' .SS/DCS,
Scan Allows the radio [0 receive calls on multiple channelsv
BCL When Ihls channel IS In use by alher hem, yeui radlo IS pielnbiied to nansnni
en the channel lo avoid inierl‘eienee
vox vox enables user m speak into the radio without pressing [I’T'l'] key and
lhc sound iV lmn‘mlllcd,
Wired Clone This it a way In elnne parnmcmrs from nne radio in another one
Revert Channel
Raven channel lcfcrs to ihe euneni working channel when pressing [PTT]
key dunng scan
Appendix 111: Frequency & Tone Chart
Transmll ( l x)
Receive (RX)
CTCSS Tone
Bandwidth
ri cqucncy
Frequeney
l‘x and RX
w/N
Appendix

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Author                          : Administrator
Create Date                     : D:20141112011911Z
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XMP Toolkit                     : Adobe XMP Core 4.2.1-c043 52.372728, 2009/01/18-15:08:04
Format                          : application/pdf
Creator                         : Administrator
Title                           : TH-288
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