2-2-11. Factory Adjustment (Function 40)
1. Enter the service mode (see section 2-2-1).
2. Press Function, enter 40, then press SET.
The upper line on the LCD shows the ROM version ‘‘VER x.xx dd.mm.yy c’’ (x.xx = version, dd.mm.yy = date, c
= country setting). The lower line on the LCD shows ‘‘CLK 0.LEV RAMC’’.
3. Press RAMC for RAM clear.
4.1 Clock Oscillator Adjustment
This function is not for service.
WARNING:
Do not use this function.
4.2 Tx Level Fine Adjustment
This function is not for service.
WARNING:
Do not use this function.
4.3 RAM Clear
RAM is all reset to the initial settings and the CPU is restarted.
WARNING:
With this function, all the previous settings will be reset to the initial settings for Hong Kong.
Program the correct country code after clearing the RAM (bit switch 2; see section 3-1).
2-2-12. Bit Switch Programming (Function 43)
1. Enter the service mode (see section 2-2-1).
2. Press Function, enter 43, then press SET.
3. The setting of bit switch 0 is displayed.
To change the setting of a bit, press the bit number on the dialpad (0 - 7). Press < or > to display other bit
switches.
4. To store the new setting, press OK.
Important Notice for Back-to-Back Mode (Bit Switch 0, Bit 7)
When in back-to-back mode, you cannot enter service mode unless you exit back-to-back mode first. This is be-
cause the machine starts communication if you press Start - Stop - and so on while you are in back-to-back mode.
To exit back-to-back mode, do the following:
1. Make sure that the machine is not communicating.
2. Press Halftone to light the Halftone LED, then press Stop.
3. Enter the service mode.
4. After finishing with service mode, re-enter back-to-back mode if required.
2-2-13. Scanner Adjustment (Function 44)
1. Enter the service mode (see section 2-2-1).
2. Press Function, enter 44, then press SET.
3. The LED array is switched on until ‘‘OK’’ is pressed. Refer to section 4-5 for more details on scanner adjust-
ment.
2-5