HYT TC-620 User manual

H
OWMERS MAMUAL
www.hyt.com.cn

THANKYOU!
Thank youfor your purchase oftheHYT TC-620radio - the choice for
professionals. TC-620 isa professional radio that with exquisite and ergonomic
design, which bringsuser a fine operation feel. The TC-620 is customized for
logistics, warehousing, property management and service industriesbecause ali
TC-620rádios are approved to dust & waterprotection Class IP54 and endowed
with large speaker.
This easy-to-useradio will deliver you secure,instant and reliable Communica-
tions at peak efficiency. Pleaseread this manualcarefullybeforeuse. The infor-
mation presented herein will help youto derive maximum performance from your
radio.
MODELS COVERED IN THISMANUAL
TC-620 VHF Two-way Radio
TC-620 UHF Two-wayRadio

Contents
Safety and GeneralInformation -
Product Inspection
Getting Started
2
—3
4
Battery Information 8
Antenna Information 10
Assembly and Disassembly 11
GeneralRadio Operations 16
ProgrammabieAuxiliary Functions 18
Functions and Settings 19
CTCSS/CDCSS 19
BatterySave 19
Power Adjust 19
Time-out Timer (TOT) -19
Battery Strength Indicator — 20
Monitor / Squelch Off 20
Scan ----.. ..... p 1
Busy Channel Lockout (BCL) 23
Low Battery Alert 23
Voice Operated Transmit(VOX) 23
Trou bleshootí ng 25
Care and Cleaning
Optional Accessory
ChannelFrequency Table •
CTCSSTable (38)
CDCSSTable (83)
u l O SS 3 r y ——-••••——--———•
26
27
29
30
31
32

Safety and GeneralInformation
The followinggeneralsafety precautions as would nor-
mally apply, which should be observed during ali phases
of operation, service and repair of this equipment.
• Turn off your radioprior to entering any área with a
potentially explosive atmosphere.
•Donot chargeyour battery ina potentiallyexplosive
atmosphere.
•Donotuseany portable radio that hás a damaged
antenna. If a damagedantennacomesintocontact
withyourskin, a minor burn can result.
• Thisequipmentshould be serviced by qualifiedtech-
nicians only.
•To avoidpossibleinterference with blasting
operations, turn off your radio when youare near
electricalblastingcaps. Ina blasting área orin áreas
such as hospital site posted "Turn off two-way
radio"; whentaking an airplane,pleaseobey the
"turn off two-way radio" instruction of aircrew
staff as well.
For vehicles with anair bag, donot place a radio in
the área over anairbagorintheairbag deployment
área. Air bagsinflatewithgreatforce. Ifa radio is
placed intheairbag deployment área andtheair
bag inflates, the radio may be propelledwithgreat
force and causeseriousinjury to occupants ofthe
vehicle.
Do not expose the radio to directsunlightover a long
time, nor place it close to heating source.
Whenusingyour radio, hold the radio ina vertical
position with the microphone 3to4 centimeters away
from your lips.
If you wear a radio on yourbodywhentransmitting,
ensure the radio andits antenna areat least 2.5cm
away fromyourbody.

Product Inspection
Before unpacking the TC-620portableradio,please in-
spect the packaging for signs of damage and report any
damage to yourdealer.
Uponunpacking ofthe TC-620portableradio,please en-
sure that ali items shipped werereceived,report any
missing or damageditems to yourdealer.
Item
Antenna
Belt Clip
Strap
Battery
MCU Switching Power
Switching Power
Owner' s Manual
Qty, (PCS)
1
1
1
1
1
1
1
Frequencyband is marked onthe label of antenna, if
not, identify the frequencybandaccording tothe
colorcircle, red indicatesUHF,greenindicatesVHF.
Please refer tothe label onthe radiounit for detailed
frequency bandinformation.
2. The radiounit is shipped with screwsmounted from
the factory.
Belt clip
MCU Charger
SwitchingPower
(different P/Nfor
different countries
and áreas)
Strap

Getting Started

Getting Started
(1) PTT (Push-to-Taik) key
(2) SK1 (Side Key1) (programmable)
(3)SK2 (Side Key2) (programmable)
(4) Speaker
(5) Microphone
(6) Antenna
(7) LEDIndicator
(8) Channel SelectorKnob
(9) Radio On-Off A/olume ControlKnob
(10)Battery Latch
(11)Accessory Jack
(12)Accessory Cover
(13)BeltClip
(14)Battery
(15)Screw
(16) Eléctrodo Piece

Getting Started
t PTT (Push-to-Talk) Key
Press and hold down thePTTkeyto transmit,release it
to receive.
• SK1 (Side Key 1)
Side Key1 isthe programmable key that canbe assigned
with long pressfunction and shortpressfunction by
yourdealer. See Glossary for definitions of shortpress
and long press.)
• SK2 (Side Key 2)
Side Key2 isthe programmable key that canbe assigned
with long press function and short press function by
your dealer.(SeeGlossary for definitions of shortpress
and long press.)
• LED indicator
Status ofLED indicator and alerttone see tablebelow
(See Functions and Settings forthe detailed operations):
Power upin
usermode
Low battery alert
Transmitting
Receiving
Scanning
• When the radio is turned on,the
power up alerttone is heard.
• When the current channel isa blank
channel, the radiosoundsBeeptone
continuously.
•LED flashes red, anda low-pitched
tone sounds at intervals of 10 seconds.
•LED glows red whentransmitting
• When TOT timer expires, the radio
soundsBeeptonecontinuously.
• TOT pre-alert: a Beep is heard.
LED glows green when carrier is present.
• Green LED flashes at every 1
second, while scanning isin process.
• Scan Start AlertTone(programmable
by your dealer): a Beep is heard.
• ScanExitAlertTone(programmable
by your dealer): a Beep is heard.
• Priority Channel ScanAlertTone
(programmable by your dealer):

Getting Started
Poweradjust
VOX
when scanning, ifthe current chan-
nel isthe priority channel, the radio
sounds a Beep.
A low-pitched tone is heardwhen
transmitpower is adjustedfromhigh
power to low power.
A high-pitchedtone is heardwhen
transmitpower is adjusted from low
power to highpower.
A high-pitched tone is heardwhen
the VOX feature is activated.
A tow-pitched tone is heard when
theVOX feature is disabled.
• ChannelSelectorKnob
Rotate the knob to selectfromchannel 1to16.
• Radio On-Off/Volume ControlKnob
Rotate the knobclockwise to turn the radio on, rotate the
knob fully counter-clockwise until a click is heard to turn
the radiooff.
Turn the knobclockwise to increase the volume, or
counter-clockwise to decrease the volume.
• Battery latch, used to remove the battery
• AccessoryJack
The jack is used to connectspeaker,microphone,exter-
nai PTT, earpiece,programming cable and cloning cable.

Battery Information
Safety Precautions
The optional battery is shipped uncharged from the
factory. Please charge a new battery or batterythat hás
not been used fora long timeprior to use. The maximum
capacity ofthe battery is achieved only after 2 or3 charg-
ingand dischargingcycles.When the batterypowerruns
low, pleaserecharge the battery or replacewith a re-
fresh one.
ApplicableBatteryPacks
To reduce the risk of injury,chargeonly the batteryspeci-
fied bythe manufacturar. Other batteries may burst, caus-
ing bodilyinjury and damage.
Caulion:
1. Donot shortcircuit the batteryterminais or discard
the battery in fire.Never attempt to disassemble the
battery.
2.The batteryshould be charged at5"C~ 40°C, tem-
perature out of this range could result the battery
not fully charged.
3.
4.
5.
6.
When charging a battery attached toa radio, turn
the radio offto ensure a full charge.
Do notcutoffthe powersupply or remove the bat-
tery whencharging a battery.
If the operationtime will not increaseeventhough
the battery is properlycharged,thismeans the bat-
tery life cycle is over,pleasereplacewith a new
one.
Do not returnfullychargedbatteries tothe charger
for an "extra boost". Thisactionwillsignificantly
reduce batterylife.
7. Nevercharge a batterythat is wet.Please dryit
with soft cloth prior to charge.
Ali batteries can cause property damage and/or bodily
injurysuch as burns if conductivemateriaissuch as
jewelry, keys, or beadedchainstouchexposedterminais.
The conductive material may complete an electrical Cir-
cuit (shortcircuit) and becomequitehot.Exercisecare in
handling any chargedbattery, particularly whenplacing

Battery Information
it inside a pocket, purse, or other container with metal
objects.
ChargingOperation
If the battery is assembled tothe radio, itsLED indicator
flashes redand soundsfallingtone 10 seconds per time,
whichindicates that the batterypower is low and please
charge the battery bytheHYT approved charger. The
charger' s LED indicates the chargingprogress.
Status Charger LED Remarks
Standby RedLED flashesslowlyIntelligentrapid-
(no-load) (0.2son/3s off) rate charger only
Battery isRedLED solidly glows
charging
Battery is fully Green LED solidly glows
charged
Error RedLED flashesrapidlyIntelligent rapid-
(0.2son/0.2soff) rate charger only
Chargingplease refer tothe followingprocedure:
1. Plug theDC connector ofthe adapterinto theDC
socket onthe back ofthe charger.
2. Place the radiowith the batteryattached, orthe
battery alone, inthe charger.
3. Plug theAC connector ofthe adapterinto theAC
outletsocket.
4. Makesure the battery isin well contactwith the
chargingterminais, the chargingprocessinitiates
when theredLED lights.

Antenna Information
5. The greed LED lights about 3 hours later indicating
the battery is íully charged. Then remove the radio
wltn the bâttery attached orthe battery alone from
the charger.
Note:
a) It is normalthat theLED flashesbefore placing the
batteryinto the charger.
b) Donot place another batteryinto the charger until
the charger LEDis stabilized.
c) After the battery is placedproperly, theLED solidly
glows red indicating the battery is charging, or
flashesindicating the battery is damaged orthe
ambíent temperature is over high/low.
Stubby antennas are ideal for communication within
limited range. Fine and long antennas optimizes com-
municationcoverage,idealwhen the radio is worn
on the belt becausethey are flexible and soft.
Rainydays or forestlocations may narrowyour
communicationrange,pleaseprepare in advance to
avoidpotentialinconvenience.

Assembly and Disassembly
Attaching the Battery
1, Hgld the battery and make it attached close tothe
topof aluminum chassis, see figure 1. (Note: insert
thetabonthetopof batteryinto thetopof battery
slot).
2. Lightly press the bottom ofthe battery until a click is
heard. By then, the battery latch locks with the main
unit and assembly is finished. See figure 2 below:
Note: ifthe battery isnot welllocked,pleaseremove the
battery and attach it again.
l
11

Assembly and Disassembly
Removing the Battery
1, Pleaseturn offtheradio first.Then hold thetopof
radio main unit and press belt clip to make its tail turn
up. Lift the batterylatch inthe direction ofthe arrow.
See figure 3.
2. When the bottom of battery is turned up, release the
batterylatch and take out from the battery slot, see
figure 4 below. (Note:whenbattery is turned up,
the angle between battery and main unit cannotbe
too large to causeseriousabrasion ofthetabinthe
topof battery.)
t

Assembly and Disassembly
Attachíng the Antenna
1, insert the antenna tothebig screw thread hole on
the top of main unit.
2. Turn the antennaclockwiseuntil itis screweddown,
shown as figure 5.
Removing the Antenna
When disassemblingantenna,turn the antenna counter-
clockwise until itis loosen and screwedout,shown as
figure 6.
RgureSj
Figure 6i

Assembly and Disassembly
Attaching the Belt Clip
Loose the screw of belt clip from the main unit, fasten the
belt clip tothe main unit (make sure the screw holes of
beltclip andof aluminumchassis is aligned),clockwise
screw down the beltclip.(Seefigure 7 below).
Removing the Belt Clip
Turn the screwdrivercounter-clockwise to loosen the
screw.Pleaserefer tothe operatíons for attaching the
belt clip. See figure 8 below.

Assembly and Disassembly
Attaching the Earpiece/Microphone
1. Open (not remove) the accessorycover, shown as
figure 9.
2. Plug the audioaccessoryfirmlyinto the accessory
jack, then secure the screw,shown as figure 10.
15
Figureia
Removing the Earpiece/Microphone
Loosen the screw and then remove the audio
accessories.
Note:Using the radiowithaudioaccessory may affect
the waterproofperformance ofthe radio.

GeneralRadioOperations
Note; See Glossary for definitions of relevantwords.
Turn the RadioOn/Off
Turn the radioon-off /volume controlknobclockwise
to turn onthe radio, then radiosounds an alert tone.Turn
the radio on-off /volume control knob counter-clock-
wise to turn off the radio.(Seefigure 11 below)
Adjust the Volume
Press the programmable keysetas Squelch Off/ Squelch
Off Momentary to listen the background'noise, thenturn
the volume control knob ciockwise/counter-clockwise
to increase/decrease the volume. See Glossary for defi-
nition of Squelch.

General Radio Operations
Select a Channel
Turn the channel selector knob to select a channel.
See figure 13 below.
Transmitting
To transmit,press and hold down PTTkeyand talk to
microphonè to speak.Ensure the radio is2.5to5 centi-
metersaway from your lips.
Receiving
To receivesignal,release thePTT key.
Talk Range:
Fiat groundwith no obstructions Upto 10 kilometers
Residential area(close to buildings) Upto 5 kilometers
Inside multi-level buildings Upto20 floors
Figure 1