RF Energy Exposure Compliance Your radio is designed and tested to comply with a number of national and international standards and guidelines (listed below) regarding human exposure to radio frequency electromagnetic energy. This radio complies with the IEEE and ICNIRP exposure limits for occupational/controlled RF exposure environment at operating duty factors of up to 50% transmitting and is authorized by the FCC for occupational use only.
z To avoid electromagnetic interference and/or compatibility conflicts, turn off your radio in any area where posted notices instruct you to do so. Hospital or health facilities may be using equipment that is sensitive to external RF energy. z 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. z Turn off your radio prior to entering any area with explosive and flammable materials.
Preface Thank you for purchasing HYT TM-628H Mobile Radio. This easy-to-use radio will deliver you secure, instant and reliable communication at peak efficiency. To derive optimum performance from your radio, please read this manual and the supplied Safety Information Booklet carefully before use.
Icon Information The following icons are available through this manual: Caution: indicates situations that could cause damage to your radio. Note: indicates tips that can help you make better use of your radio. Copyright Information HYT and Hytera are trademarks or registered trademarks of HYT in the PRC and other countries and/or areas. HYT retains the ownership of its trademarks and product names.
Contents Checking Items in the Package...................................................................................... 5 Radio Overview ............................................................................................................... 6 Front Panel.................................................................................................................. 6 Rear Panel ..................................................................................................................
HDC1200 .................................................................................................................. 25 HDC2400TM ............................................................................................................... 26 Short Message .......................................................................................................... 26 Troubleshooting ............................................................................................................
Checking Items in the Package Please unpack carefully and check that all items listed below are received. If any item is missing or damaged, please contact your dealer.
Radio Overview Front Panel No. Part Name No.
Rear Panel No. Part Name No. Part Name 1 ○ Audio Connector 2 ○ External Speaker Jack 3 ○ Power Inlet 4 ○ Antenna Connector Programmable Function Keys For enhanced convenience, you may request your dealer to program the keys P1, P2, P3, P4, ▲ and ▼ as shortcuts to the functions listed below: No.
To add or delete the scan channel in non-scan status 15 Add/Delete 16 Frequency Reverse To reverse the TX and RX frequencies, and the CTCSS/CDCSS encoding and decoding frequencies 17 Talk Around To transmit with the RX frequency and CTCSS/CDCSS frequency 18 SEL SQL To select the squelch level quickly 19 Home Channel To switch to the home channel quickly 20 Public Address To output the amplified audio signals 21 Scrambler To safeguard the privacy of your talk through voice encryption 22
Installation Before you install the radio in a vehicle, be sure to read the following instructions carefully: Instructions z The radio operates with negative grounded power supply of 13.6 ± 15％V only. Please check polarity and voltage of the power supply on vehicle before you install the radio. z Please check how long the screws will extend from the bottom surface of radio, before you install the radio. Be sure to drill mounting hole with caution, to avoid damage of the vehicle wiring and parts.
No. Part Name No. Part Name 1 ○ Palm Microphone 2 ○ Adjust Knobs 3 ○ Radio unit 4 ○ Power Inlet 5 ○ Black Power Cord 6 ○ Red Power Cord 7 ○ Fuses 8 ○ Antenna Connector 9 ○ Flat Washers 10 ○ Spring Washers 12 ○ Microphone Hanger 14 4.
Status Indicators LCD Icons The LCD of your radio displays the radio status. The following are the icons that appear on the radio’s display. LCD panel Status Icons Indicator Description Displays CH number/name, zone number/name, DTMF number, frequency, menu and options, etc. Lo Indicates low power output. Press the Monitor key: 1. The icon is displayed when CTCSS/CDCSS and 2-Tone decoding is off. 2. The icon is displayed when the speaker is unmuted. Appears when the radio begins to scan.
Appears when the Compandor feature is enabled. Appears when the current channel is already in use. Indicates the current channel is the priority channel. P• indicates priority channel 1, P. indicates priority channel 2, P: indicates priority channels 1 and 2. LED Indicator The LED indicator will help you easily identify current radio status.
Basic Operations Turning the Radio On/Off Press the Power On/Off key to turn on the radio. Press and hold down the Power On/Off key for about 1 second to turn off the radio. Adjusting the Volume Turn the Volume Control knob clockwise to increase the volume, or counter-clockwise to decrease the volume.
Transmitting a Call When transmitting a call, please follow steps below: 1. Hold down the PTT key on the microphone. 2. Speak into the microphone. The red LED lights during calling. 3. Release the PTT key to return to the RX mode. 4. When the transmission ends, put the microphone on hook. Selecting the Power Level If the current channel is programmed with high power by your dealer, the power output toggles between high and low upon each press of the programmed Tx Power Select key.
Functions and Operations Monitor If the Monitor function is set by your dealer, press the programmed Monitor key in Rx mode to get aware of the activities on the current channel. The Monitor key is programmable with one of the following four operating modes by your dealer: 1. Carrier Squelch-Momentary Hold down the Monitor key to open CTCSS/CDCSS/2-Tone Signaling squelch, and release the key to close the Signaling squelch. 2.
The scanning pauses or ceases upon the following: 1. Press the programmed Channel Scan key and cease the scanning, so that the radio may exit the scan mode. 2. Activate the Monitor function. 3. The radio receives the carriers which satisfy radio unmute condition ▇ Scan Resume If the scanning pauses on an active channel, it will resume according to the scan resume mode. The scan resume mode can be programmed by your dealer with Carrier operated scan or Time operated scan. 1.
Channels in the scan list are allowed to be temporarily deleted When the scan pauses on an unwanted channel, such as a nuisance channel, press the programmed Add/Del Scan key to temporarily delete the channel from the scan list, and then the scan reinitiates immediately. Note: The temporarily deleted channel will recover its settings prior to the scan after the radio exits the scan mode.
▇ Keypad Auto PTT If this feature is enabled by your dealer, press any numeric key to transmit DTMF signal without PTT key press. ▇ Store & Send When this feature is enabled, enter a pre-stored DTMF number (up to 16 digits) in Rx mode, and then press the PTT key on the microphone to initiate a call; simultaneously, the dialed DTMF number scrolls across the LCD, and the corresponding DTMF tone can be heard.
1. Press the * key on the microphone keypad, and then the LCD displays A --. 2. Enter the memory number (01~32), and the LCD displays the stored number or its alias. 3. Press any key other than the PTT, and the LCD resumes its initial display. ▇ Auto Dial 1. Press the * key on the microphone keypad, and then the LCD displays A --. 2. Enter the memory number (01~32), the LCD displays the stored number or its alias. 3. Press the PTT key, and then the number is transmitted. ▇ Clear Stored DTMF Numbers 1.
transpond if a zone call is received. ▇ Transmit 1. Hold down the PTT key 2. During encoding, the LED lights red. Please refer to the TTS key for 2-Tone encoding. 3. Upon release the PTT key, the signaling squelch is disabled; the icon flashes on the LCD, and LED flashes orange. The LED lights green while signal is received, and flash orange if signal off. 4. If the programmed Monitor key is pressed, or no signal is received within the preset time period, the signaling squelch is enabled.
▇ TOT Reset Time The TOT Reset timer is activated upon release of the PTT key. And the TOT timer will not be reset until the TOT Reset timer expires. Press the PTT key before the TOT Reset timer expires, and the TOT timer continues to countdown. The TOT Reset Time (Off, 1~15 seconds) is programmable by your dealer.
Enabled Disabled Selectable Squelch Level (SQL) 1. Press the SQL key (programmable function key), and the LCD displays the current squelch level as shown below: 2. Select the desired squelch level via the programmable function key ▲/▼. 3. Press any key of P1-P4 to save the selected squelch level. The LCD resumes its initial display. Note: High squelch level may cause the radio to ignore weak signals; while low squelch level may cause noise or other unwanted interference.
3. Speak into the microphone after PTT is held down, the PA process initiates, and the LCD displays PA ON. When the PA process initiates in PA mode, you can adjust the volume via the volume control knob. 4. Release the PTT key to end the PA process, then the radio returns to the PA mode, and the LCD displays PA. Note: When the PA system is operating, the optional PA accessories and external speaker must be installed by your dealer.
Lone Worker When this function is enabled, an alert tone will sound if the preset time elapses. Then the user must press any key to indicate that he/she is safe, otherwise the emergency procedure will be activated. This feature provides an added security and safety feature for individuals who work remotely from their team. Operations are detailed as follows: 1. Upon press of the Lone Worker function key, the LCD will display LONE ON, and the Lone Worker function will be activated. 2.
1. Channel alias. 2. Zone number followed by channel number, such as “1 –CH 1”. 3. Zone alias. 4. Channel frequency. 5. Channel number followed by zone number, such as “CH 1– 1”. Voice Compandor Press the programmed Voice Compandor key to toggle the voice Compandor feature ON or OFF. When the feature is enabled, the LCD displays the icon. Scrambler Press the programmed Scrambler key to toggle the Scrambler feature ON or OFF. When the feature is enabled, the LCD displays the icon.
message. The receiver radio will reply with a message automatically upon receipt of the Safety Check message. HDC2400TM HDC call list select (HDC List) 1. Press the HDC Call Select key (Programmable function key) and the preset number or alias in the HDC list will be displayed on the LCD. 2. Press ▲/▼ to make an selection from the preset options in the HDC call menu, and then press P4 to access the options. 3. Press PTT or P4 to transmit the call.
The general operations of short message are shown in the following flowchart: Menu operations are as follows: 1) Press P4 to confirm; 2) Press P1 to back to the previous menu; 3) Press ▲/▼ to perform menu selections. Read A Short Message If the alert tone or short message icon is set, the radio will give the preset alert when a short message is received. (At this time, press the Message key to read the received message.
3) Select the NEW MSG option. 4) Input the message you want to send. (See Note 1.) 5) Select SENDONLY, SENDSAVE and SAVEONLY. If SENDONLY or SENDSAVE is selected, go with the following steps: 6) Choose to send to individual / group etc. 7) Use ▲/▼ to input the receiver’s ID (Individual / Group, etc). (See Note 1.) The user may also press P4 to access the ID menu without inputting the ID. 8) 2. Press P4 or PTT to send the selected message.
The user may also press P4 to access the ID menu without inputting ID. 7) Press P4 or PTT to send the message. Read and Delete A Short Message When VIEW MSG is selected from the menu, two options are available: 1) Read the received short message, the LCD will display RECEIVED. 2) Read the sent short message, the LCD will display MSG SEND. 1. Read and Delete A Short Message from the Inbox 1) Select a zone and a channel.
the Inbox. Delete All the Received Messages When DEL ALL is selected from the menu, all the received messages except protected ones will be deleted upon press of P4. 1) Press the Message key (programmable function key) to access the short message menu, and then select the DEL ALL option. 2) Press P4 to delete all the received messages. Note: 1.
Troubleshooting Phenomena Analysis Solution The equipment can not be powered on. The power cord may be unconnected. Connect the power cord correctly. You can not log on to the system. The antenna is not connected. Connect the antenna properly. The crystal connector is inserted improperly or not inserted. Insert the crystal connector correctly. The keys may fail to function temporarily. Restart the radio. The radio can not lock out. This feature may malfunction temporarily. Restart the radio.
Optional Accessories The following items are the main optional accessories for the radio, and please consult your local dealer for more other accessories. Keypad Microphone SM07R1 Palm Microphone SM07R2 External Speaker SM09S2 Desktop Microphone SM10R2 Programming Cable (COM Port) Cloning Cable CP06 PC21 Note: Use the accessories specified by HYT only. If not, HYT shall not be liable for any losses or damages arising out of use of unauthorized accessories.
