HYT TC-780M User manual

PREFACE
Thank you for your purchase of the HYT TC-780M trunking radio. This radio is compliant with the GA176-1998 police use
standard and has passed the detect by the Ministry of Public Security. With powerful trunking functions, the radio supports
CPSX and MPT1343 numbering schemes, for domestic public security systems and other trunking users using standard
MPT1327 signalling. This easy-to-use radio will deliver your secure, instant and reliable communication at peak efficiency.
Please read this manual carefully before use. The information presented herein will help you to derive maximum
performance from your radio.
MODELS COVERED IN THIS MANUAL
TC-780M VHF Trunking Radio
TC-780M UHF Trunking Radio

1
Contents
Safety and General Information................................................................................................................................................. 2
Product Inspection..................................................................................................................................................................... 3
Radio Overview.......................................................................................................................................................................... 4
Battery Information..................................................................................................................................................................... 8
Antenna Information................................................................................................................................................................. 10
Assembly and Disassembly..................................................................................................................................................... 10
Attaching the Battery........................................................................................................................................................ 10
Removing the Battery........................................................................................................................................................11
Attaching theAntenna .......................................................................................................................................................11
Removing the Antenna......................................................................................................................................................11
Attaching the Belt Clip...................................................................................................................................................... 12
Removing the Belt Clip..................................................................................................................................................... 12
Removing the Accessory Cover....................................................................................................................................... 13
Attaching the Earpiece/Microphone .................................................................................................................................13
General Radio Operations....................................................................................................................................................... 14
Programmable Auxiliary Functions.......................................................................................................................................... 15
Trunking Mode......................................................................................................................................................................... 17
Keypad Function............................................................................................................................................................... 17
Function Description......................................................................................................................................................... 21
Manual Dial....................................................................................................................................................................... 29
Menu Operation................................................................................................................................................................ 38
Conventional Mode.................................................................................................................................................................. 54
Advanced Operations....................................................................................................................................................... 54
Background Operations.................................................................................................................................................... 58
Chinese/English Menu Operations................................................................................................................................... 60
Appendix 1 LCD Icons...................................................................................................................................................... 65
Appendix 2 Keypad Characters........................................................................................................................................ 65
Troubleshooting ....................................................................................................................................................................... 66
Care and Cleaning................................................................................................................................................................... 66
Optional Accessories ............................................................................................................................................................... 67

2
Safety and General Information
The following general safety precautions as would normally apply, should be observed during all phases of operation,
service and repair of this equipment.
◇This equipment should be serviced by qualified technicians only.
◇Do not modify the radio for any reason.
◇Use only HYT original batteries and chargers.
◇Do not use any portable radio that has a damaged antenna. If a damaged antenna comes into contact with your skin,
a minor burn can result.
◇Turn off your radio prior to entering any area with a potentially explosive atmosphere.
◇Do not charge your battery in a potentially explosive atmosphere.
◇To avoid electromagnetic interference and/or compatibility 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 must 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 deployment area.
◇Do not expose the radio to direct sunlight over a long time, nor place it close to heating source.
◇When transmitting with a portable radio, hold the radio in a vertical position with the microphone 3 to 4 centimeters
away from your lips. Keep antenna at least 2.5 centimeters away from your body when transmitting.
WARNING: If you wear a radio on your body, ensure the radio and its antenna is at
least 2.5 centimeters away from your body when transmitting.

3
Product Inspection
Please unpack the package box carefully and check that all items shipped were received; report any missing or damaged
items 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
(1700mAh)
MCU Rapid-rate Charger
Switching Power (100-240V) (for
use with different power cords in
different countries and areas)
Belt Clip
Leather Strap
Note: Frequency band is marked 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 information.

4
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 Numeric Keypad
○
10 TK (Top Key)
○
11 Channel Selector
Knob
○
12 Radio On-Off
/Volume 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 transmit; release it to receive.

5
﹡SK1 (Side Key 1)
Programmable function key.
﹡SK2 (Side Key 2)
Programmable function key.
﹡LCD Display
Used to display radio status information.
﹡Function Keypad
Exit key
Use the Exit key to return to the previous menu.
Up key
Down key
Menu/Select key
Used to enter the menu mode. When you are in the menu mode, this key is also used to make menu selections.
Exit Up Menu/Select
Call Back Down Redial
﹡Numeric Keypad
Used to enter information for programming the radio’s lists. When the radio operates in trunking mode, the keys are also
used to dial a phone number.

6
﹡TK (Top Key)
Programmable 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 volume, or counter-clockwise to decrease the volume.
﹡LED Indicator
Status
LED Indications and Tones
Wired Clone
Source radio: Turn the radio on while
holding down PTT and SK2.
Target radio: Rotate the Radio On-Off
knob clockwise to turn the radio on.
The orange LED flashes twice.
Source radio: turn on the target radio
and connect the cloning cable. Then
press the PTT on the source radio to
initiate cloning.
1. LED solidly glows red when
cloning is in progress;
2. LED goes out when cloning is
completed;
3. LED flashes red when cloning
fails.
Target radio
1. LED solidly glows green when
cloning is in progress;
2. LED goes out when cloning is
completed.
Power On
The green LED flashes once.
Low BatteryAlert
Three beeps are heard.
Transmitting
LED glows red.
Receiving
LED glows green when carrier
presents.
Scanning
Red LED flashes once every 1
second. The green LED flashes when

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carrier is detected.
Programming
Reading: LED glows red;
Writing: LED glows green.
Encoding (DTMF)
LED glows red while transmitting
Power Select
1W: One beep is heard;
4W/5W: Three beeps are heard.
Function Key Press
One beep to enable, two beeps to
disable.
﹡Accessory Jack
The jack is used to connect audio accessories, or other accessories such as programming cable.

8
Battery Information
Initial Use
New batteries are shipped uncharged from the factory. Charge a new battery for 5 hours before initial use, and this is true to
Ni-Cd, Ni-MH and Li-Ion batteries charged with slow or rapid rate charger. The maximum battery capacity and performance
is achieved after two or three full charge/discharge cycles. If you notice the battery power runs low, please recharge the
battery. New batteries or batteries stored for a long time may take more time to charge.
Applicable Battery Packs
To reduce the risk of injury, charge only the battery specified by the manufacturer. Other batteries may burst, causing bodily
injury and damage.
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 attempt to disassemble the battery.
Battery Tips
1. When charging your battery, keep it at a temperature among 5℃~ 40℃to ensure a full charge. Temperature out of the
limit will significantly reduce battery life.
2. When charging a battery attached to a radio, turn the radio off to ensure a full charge.
3. Do not cut off the power supply or remove the battery when charging a battery.
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 time (talk-time and standby time) is noticeably shorter than
normal, it is time to buy a new battery.
To Prolong Battery Life
1. Battery performance will be greatly decreased at a temperature below 0℃. Aspare battery is necessary in cold weather.
The cold battery unable to work in this situation may work under room temperature, so keep it for later use.
2. The dust on the battery contact may 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 time, to avoid battery damage due to over-discharge.
2. Recharge a battery after 3 months’ storage, to avoid reducing battery capacity due to over-discharge.
3. When storing your battery, keep it in a cool, dry place under room temperature.

9
Charging the Battery
When the battery level is very low, please recharge the battery.
Use only the charger specified by the manufacturer. The charger’s LED indicates the charging progress.
Status
Charger LED
Remarks
Standby (no-load)
Red LED flashes slowly (0.2s on/3s off )
For MCU rapid-rate
charger
Battery is charging
Red LED solidly glows
Battery is fully
charged
Green LED solidly glows
Error
Red LED flashes rapidly (0.2s on/0.2s
off)
For MCU rapid-rate
charger
Please follow these steps:
1. Plug the power cord into the adapter.
2. Plug theAC connector of the adapter into theAC outlet socket.
3. Plug the DC connector of the adapter into the DC socket on the back of the charger.
4. Place the radio with the battery attached, or the battery alone, in the charger.
5. Make sure the battery is in well contact with the charging terminals, the charging process initiates when the red LED
lights.
6. The greed LED lights about 3 hours later indicating the battery is fully charged. Then remove the radio with the battery
attached or the battery alone from the charger.