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TESTING PROGRAM OF BASE UNIT
THERE ARE SOME SPECIAL FUNCTION FOR REPAIREMENT AND TESTING TO CHANGE THE SECRET ID (ID NUMBER) :Each HT-3 base unit contain an unique secret ID. The ID number is printed on a sticker located beside the telephone jack. It contain three different information 1. Frequency band (first digit) 2. Channels to be used (2^nd,3^rd,4^th digits) 3. Secret code (last four digits) Actually, the Secret ID is programmed during production. However, if you want to change the frequency channels to be used you should know how to change the ID. The 2^nd,3^rd,4^th digits will deside the start frequency channels of your HT-3. For examples If the number is 000 that means your HT-3 will use one of the channel from channel 000,001,002,..,007. If the number is 008 that means your HT-3 will use one of the channel from channel 008,009,010,.,,015. The start channel will always be one of the following number 000,008,016,024,032,040,048,........152 To change Secret ID you have to key in the following sequence Press: FCN+9+1+6+1+FCN4-7+2+ SECRET ID + 0 TO CHANGE THE FLASH TIME To change flash time you can key in the following sequence Press: FCN+9+1+6+1+FCN+6+3+0+MEM flash time: 100 mS Press: FCN+9+1+6+1+FCN+6+3+1+MEM flash time: 300 mS Press: FCN+9+1+6+1+FCN+6+3+2+MEM flash time: 600 mS Press: FCN+9+1+6+1+FCN+6+3+3+MEM flash time: 900 mS THE TO CHANGE TONE/PULSE DIALING AND MARK/BREAK RATIO

Key in the following sequence	TONE / PLUSE
FCN+9+1 +6+1 +FCN+6+2+0+MEM	PULSE MODE, 40/60, 20PPS
FCN+9+1 +6+1 +FCN+6+2+2+MEM	PULSE MODE, 33/66, 20PPS
FCN+9+1 +6+1 +FCN+6+2+4+MEM	PULSE MODE, 40/60, 10PPS
FCN+9+1+6+1+FCN+6+2+6+MEM	PULSE MODE, 33/66, 10PPS
FCN+9+1 +6+1+FCN+6+2+7+MEM	TONE MODE

To enable/disable USAGE OF INDIVIDUAL HANDSET-Press:FCN+9+1+6+1+FCN+6+1+ 1/0 + (HANDSET number-1)+MEM Example: to disable handset number 3 - Press: FCN+9+1+6+1+FCN+6+1+0 + 2 +MEM Example: to enable handset number4,Press:FCN+9+1+6+1+FCN+6+1+7+3+MEM

TESTING PROGRAM OF HANDSET UNIT EEPROM INTIALIZATION PROGRAM: To initialize handset to frequency band 0 ( RX: 397 MHz) Press: FCN+9+1+6+1+FCN+#+*+0+0 To initialize handset to frequency band 1 ( RX: 393 MHz ) Press: FCN+9+1+6+1+FCN+#+*+0+1 Note: Currently, the HT-3 use frequency band 1 only. The Secret ID will be destroyed after EEPROM initial izaton. You have to program with the base unit to setup the Secret ID before use.

TO TEST RINGER , BACKLIGHT, AND LCD Press: FCN+9+1+6+1+FCN+#+*+0+3 Press " * " or " #" key to change ringer sound and LCD display pattern. Press "END" to leave the testing mode

TO TEST THE HARDWARE There is a basic testing program that allow you to test different part of the circuit without linking with the handset unit.To enter the hardware testing program you have to key in the following sequence: Press: FCN+9+1+6+1+FCN+#+*+2+0+SND

 WHERE VR1: Microphone gain of modem IC VR2: Level adjustment for FM modulation VR3: Demodulator level adjustment VR4: Earpiece volume adjustment T: RF TYPE SELECT 0:For Receiver mode 1 :For Receiver and Transmitter younger stage mode, the final amplifier is not turned on. 2 :For Receiver and Transmitter mode, the final amplifier is turned on. MVS: Audio source for modulator 0: For voice signal from microphone 1: For audio signal from DTMF generator 2: Audio mute

3: For MSK data transmit with pattern (111111..) 4: For MSK data transmit with pattern (101010..) SK: Scrambler selection 0: SCRAMBLER OFF 1: SCRAMBLER ON KEY = 1 2: SCRAMBLER ON KEY = 0 TON: CTCSS ENABLE/DISABLE 0:97.3 Hz turned off <>1:97.3 Hz turned on SPK: VOICE OUTPUT CONTROL <>0: Audio to earpiece and external speaker <>1: Audio to earpiece and external speaker <>2: Earpiece mute, audio to external speaker 3: Earpiece and external speaker mute MIC: Microphone power supply control 0:Both MIC mute 1: Internal MIC works only 2: External MIC works only 3 internal & external MIC work BT: Battery strength indication

F: Extreme low, system will be turned off automatically.

0: Battery low, battery low warning sound will be generated 1: Battery low, 20% of capacity 2: Battery low, 30% of capacity 3: Battery OK, 60% of capacity 4: Battery OK, 70% of capacity 5: Battery mil CR: Carrier detection indication 0: Carrier is not detected 1: Carrier is detected LI: Lock condition ofPLL RX section 0: PLL RX section unlock 1: PLL RX section lock L2: Lock condition of PLL TX section 0: PLL TX section unlock 1: PLL TX section lock note: L2 is valid only when T = 1 or 2 N1.N2: Current channel HOW TO CHANGE SETTINGS " *" OR " #" KEY : Change current channel •T'KEY Change VR1 "2" KEY Change VR2 "3" KEY Change VR3 "4" KEY Change VR4 "5" KEY Select T "6" KEY Select MVS "7" KEY Select SK "8" KEY Select TON "9" KEY Select SPK "0"KEY Select MIC "SND" KEY: Output power level control "STO" KEY: To store VR1 - VR4 to EEPROM "END" KEY: To leave testing program

OUTPUT POWER ADJUSTMENT In the hardware test mode above, you can press "RCL" key to enter "OUTPUT POWER ADJUSTMENT " mode. The four different output power level could be adjusted individually in this mode. Press " RCL " key again it will go back to hardware test mode. Massage shown in this mode

 Fisrst digit in first line is blank LVL: Output power level

3: High output level 2: Middle high level 1: Middle low level 0: Low output level P1,P2: Output power in HEX. The lower the value is the higher the power will.

HOW TO CHANGE SETTINGS

"SND" KEY: Select LVL "3" KEY: To increase the output power of selected level (decrease PI,P2).

"4" KEY: To decrease the output power of selected level (increase P1,P2).

"STO" KEY: To store LVL and VR1-VR4 to EEPROM "RCL" KEY: Switch between hardware test mode and "OUTPUT LEVEL ADJUSTMENT" mode.

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