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2-2. SERVICE LEVEL OPERATION
2-2-1. Entering and Exiting Service Mode
Press Start → Stop → Start → Stop → Start sequentially within 5 seconds.
After entering service mode, the following service functions are available.
No.
Function
30
RAM Test
31
Key Test
32
LED Test
33
LCD Test
34
Speaker Test
35
Printer Test
36
PTT Test
37
Frequency Test
Burn-in Test
38
Factory Adjustment
40
41
Not used
42
Not used
43
Bit Switch Programming
44
Scanner Adjustment Mode
91
Display ROM/RAM Data
92
Print System Report
93
Print ROM/RAM Data
94
Not used
95
Print Service Report
96
Not used
97
Not used
98
NCU Parameter Programming
The machine will automatically exit service mode 40s after you enter it.
Note:
In the functions, the new settings will not be saved by pressing the Function key. To save the new set-
tings, you have to press ''SET'' or ''OK'', then exit the service mode.
ENTERING SERVICE MODE
Functions 30 to 38 are mainly prepared for factory use.
Use to test the SRAM and DRAMs on the FCE.
Use to test all keys on the operation panel.
Use to test all LEDs on the operation panel.
Use to test the LCD on the operation panel.
Use to test the monitor speaker.
Use to print a test pattern.
Use to test the modem signals, DTMF tones, and transmission level.
Use to generate signals of the desired frequency and level.
Do not use this function. If this function is used, the RAM will all be
cleared.
The following functions are prepared for service use.
Use to check the ROM version, to adjust the tx level and to clear the
RAM.
Use to change the bit switch settings.
Use to switch on the LED array for scanner adjustment.
Use to display and change the ROM/RAM data.
Use to print the system report.
Use to print ROM/RAM data.
Use to print the service report.
Use to adjust the NCU parameters.
EXITING SERVICE LEVEL
Press Stop, Function, or EXIT at any time.
Brief Explanation
2-2
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