HYT TC-780 User manual

PREFACE
Thank you for your purchase of the HYT TC-780 professional portable radio. This
easy-to-use radio will deliver you secure, instant and reliable co unications at peak
efficiency. Please read this anual carefully before use. The infor ation presented herein
will help you to derive axi u perfor ance fro your radio.
MODELS COVERED IN THIS MANUAL
TC-780 VHF Two-way Radio
TC-780 UHF Two-way Radio

1
Contents
Safety and General Infor ation ........................................................................................... 3
Product Inspection ............................................................................................................... 4
Radio Overview .................................................................................................................... 6
Battery Infor ation ............................................................................................................... 8
Antenna Infor ation ........................................................................................................... 11
Asse bly and Disasse bly ............................................................................................... 12
Attaching the Battery .................................................................................................. 12
Re oving the Battery ................................................................................................. 12
Attaching the Antenna ................................................................................................. 13
Re oving the Antenna ............................................................................................... 13
Attaching the Belt Clip ................................................................................................ 13
Re oving the Belt Clip ............................................................................................... 14
Re oving the Accessory Cover ................................................................................. 14
Attaching the Earpiece/Microphone ........................................................................... 15
LCD Icons .......................................................................................................................... 16
Menu .................................................................................................................................. 17
General Radio Operations ................................................................................................. 20
Selecting a Channel .................................................................................................... 20
Trans itting a Call ...................................................................................................... 20
Receiving a Call .......................................................................................................... 20
Progra able Auxiliary Functions .................................................................................... 20
Advanced Operations ........................................................................................................ 22
Power Adjust ............................................................................................................... 22
Select Squelch Level .................................................................................................. 22
Backlight ..................................................................................................................... 22
Call 1- Call 5 ............................................................................................................... 23
Channel Menu Shortcut .............................................................................................. 23
Voice Co pandor ....................................................................................................... 23
Scan Add/Delete ......................................................................................................... 23
Channel Down ............................................................................................................ 23
Channel Up ................................................................................................................. 23
Display Channel Alias ................................................................................................. 23
Display Channel Frequency ....................................................................................... 24
Switch Display ............................................................................................................ 24
DTMF Keypad ............................................................................................................. 24
Exit E ergency ........................................................................................................... 24
Enable E ergency ..................................................................................................... 24
Disable E ergency Alar .......................................................................................... 24
Enable E ergency Alar ........................................................................................... 24

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Voice Encryption ......................................................................................................... 24
GPS Report................................................................................................................. 25
Ho e Channel ............................................................................................................ 25
Keypad Lock ............................................................................................................... 25
Lone Worker ............................................................................................................... 25
Man Down ................................................................................................................... 25
Short Message ............................................................................................................ 25
Monitor ........................................................................................................................ 25
Monitor Mo entary ..................................................................................................... 25
Nuisance Channel Te porary Delete ......................................................................... 26
Radio Call ................................................................................................................... 26
Scan ............................................................................................................................ 26
Scra bler .................................................................................................................... 26
Squelch Off ................................................................................................................. 27
Squelch Off Mo entary .............................................................................................. 27
Carrier Squelch Level ................................................................................................. 27
Status List ................................................................................................................... 27
Talk Around ................................................................................................................. 27
Vibrate ......................................................................................................................... 27
Volu e Down .............................................................................................................. 27
Volu e Up .................................................................................................................. 28
VOX (Voice-Operated Trans it) ................................................................................. 28
Whisper ....................................................................................................................... 28
Zone Down .................................................................................................................. 28
Zone Up ...................................................................................................................... 28
Inverted Display .......................................................................................................... 28
Background Operations ..................................................................................................... 28
Selecting a Zone ......................................................................................................... 28
Selecting a Channel .................................................................................................... 28
Sending a Voice Call................................................................................................... 29
Receiving a Voice Call ................................................................................................ 29
Channel Scan ............................................................................................................. 29
E ergency .................................................................................................................. 31
Ti e-out Ti er (TOT) ................................................................................................. 32
Battery Save ............................................................................................................... 32
Troubleshooting ................................................................................................................. 33
Care and Cleaning ............................................................................................................. 33
Optional Accessories ......................................................................................................... 34

3
Safety and General Information
The following general safety precautions as would nor ally apply, should be observed
during all phases of operation, service and repair of this equip ent.
◇ This equip ent should be serviced by qualified technicians only.
◇ Do not odify the radio for any reason.
◇ Use only HYT original batteries and chargers.
◇ Do not use any portable radio that has a da aged antenna. If a da aged
antenna co es into contact with your skin, a inor burn can result.
◇ Turn off your radio prior to entering any area with a potentially explosive
at osphere.
◇ Do not charge your battery in a potentially explosive at osphere.
◇ To avoid electro agnetic interference and/or co patibility conflicts, turn off your
radio in any facility where posted notices instruct you to do so.
◇ When instructed to do so, turn off your radio when on board an aircraft. Any use of
a radio ust be in accordance with airline regulations or crew instructions.
◇ To avoid possible interference with blasting operations, turn off your radio when
you are near electrical blasting caps, in a blasting area, or in areas posted: “Turn
off two-way radio.” Obey all signs and instructions.
◇ For vehicles with an air bag, do not place a radio in the area over an air bag or in
the air bag deploy ent area.
◇ Do not expose the radio to direct sunlight over a long ti e, nor place it close to
heating source.
◇ When trans itting with a portable radio, hold the radio in a vertical position with
the icrophone 3 to 4 centi eters away fro your lips. Keep antenna at least 2.5
centi eters away fro your body when trans itting.
WARNING: If you wear a radio on your body, ensure the radio and its antenna is
at least 2.5 centi eters away fro your body when trans itting.

4
Product Inspection
Please unpack the package box carefully and check that all ite s shipped were received;
report any issing or da aged ite s to your dealer.
Accessories
Item Qty. PCS)
Antenna 1
Belt Clip 1
Leather Strap 1
Li-Ion Battery 1
MCU Rapid-rate Charger 1
Switching Power 1
Owner’s Manual 1
Antenna Li-Ion Battery
(1700 Ah)
MCU Rapid-rate Charger
Switching Power
(100-240V) (for use
with different power
cords in different
countries and areas)
Belt Clip Leather Strap

5
Note: Frequency band is arked on the label of antenna, if not, identify the frequency band according to the
color circle. Please refer to the label on the radio unit for detailed frequency band infor ation.

6
Radio Overview
○
1 PTT (Push-to-Talk) Key
○
2 SK1 (Side Key 1)
○
3 SK2 (Side Key 2)
○
4 Antenna
○
5 Microphone
○
6 Speaker
○
7 LCD Display
○
8 Function Keypad
○
9 Nu eric Keypad
○
10 TK (Top Key)
○
11 Channel Selector
Knob
○
12 Radio On-Off
/Volu e Control Knob
○
13 LED Indicator
○
14 Accessory Jack
○
15 Battery Latch
○
16 Belt Clip
○
17 Battery
○
18 Screw, Belt Clip
○
19 Charging Piece
﹡
﹡﹡
﹡PTT Push-to-Talk) Key
Press and hold down the PTT key to trans it; release it to receive.
﹡
﹡﹡
﹡SK1 Side Key 1)

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Progra able function key.
﹡
﹡﹡
﹡SK2 Side Key 2)
Progra able function key.
﹡
﹡﹡
﹡LCD Display
Used to display radio status infor ation.
﹡
﹡﹡
﹡Function Keypad
 Exit key
Use the Exit key to return to the previous enu.
 Up key
 Down key
 Menu/Select key
Used to enter the enu ode. When you are in the enu ode, this key is also used to
ake enu selections.
﹡
﹡﹡
﹡Numeric Keypad
Used to enter infor ation for progra ing the radio’s lists.

8
﹡
﹡﹡
﹡TK Top Key)
Progra able function key.
﹡
﹡﹡
﹡Channel Selector Knob
Rotate the knob to select a desired channel.
﹡
﹡﹡
﹡Radio On-Off/Volume Control Knob
Rotate the knob clockwise to turn the radio on, and rotate the knob fully counter-clockwise
until a click is heard to turn the radio off.
Turn the knob clockwise to increase the volu e, or counter-clockwise to decrease the
volu e.
﹡
﹡﹡
﹡LED Indicator
The following table indicates LED ode and corresponding radio status:
Status LED
Trans it Red
Receive Green
Low battery alert Flash red
After trans itting a call (within auto reset ti e)
Orange
After receiving a call (within auto reset ti e) Flash orange slowly
Missed call alert Flash orange rapidly
Scan Flash green
﹡
﹡﹡
﹡Accessory Jack
The jack is used to connect audio accessories, or other accessories such as progra ing
cable.
Battery Information
Initial Use
New batteries are shipped uncharged fro the factory. Charge a new battery for 5 hours
before initial use. The axi u battery capacity and perfor ance is achieved after three
full charge/discharge cycles. If you notice the battery power runs low, please recharge the

9
battery.
Applicable Battery Packs
To reduce the risk of injury, charge only the battery specified by the anufacturer. Other
batteries ay burst, causing bodily injury and da age.
Caution:
1. To avoid risk of personal injury, do not dispose of batteries in a fire!
2. Dispose of batteries according to local regulations (e.g. recycling). Do not dispose as
household waste.
3. Never atte pt to disasse ble the battery.
Battery Tips
1. When charging your battery, keep it at a te perature a ong 5℃-40℃. Te perature
out of the li it ay cause battery leakage or da age.
2. When charging a battery attached to a radio, turn the radio off to ensure a full charge.
3. Do not return a battery to the charger before the battery power runs low. This action
will significantly reduce battery life. Never take the charger as a stand for your radio.
4. Never charge a battery that is wet. Please dry it with soft cloth prior to charge.
5. The battery will eventually wear out. When the operating ti e (talk-ti e and standby
ti e) is noticeably shorter than nor al, it is ti e to buy a new battery.
To Prolong Battery Life
1. Battery perfor ance will be greatly decreased at a te perature below 0℃. A spare
battery is necessary in cold weather. The cold battery unable to work in this situation
ay work under roo te perature, so keep it for later use.
2. The dust on the battery contact ay cause the battery cannot work or charge. Please
use clean dry cloth to wipe it before attaching the battery to the radio.
Battery Storage
1. Fully charge a battery before you store it for a long ti e, to avoid battery da age due
to over-discharge.
2. Recharge a battery after several onths’ storage (Ni-MH & Ni-Cd batteries: 3 onths;
Li-Ion & Li-poly er batteries: 5 onths), to avoid reducing battery capacity due to