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HANDSET
1. Test Mode
[Entering the Test Mode]
1. Press the [PGM ] key, then displayed "DIRECTORY AREA
RINGER" on the LCD.
2. Press the [*], [*], [8], [3], [7], [8] keys, then displayed on the
LCD as below.
LCD display
**Test Mode**
NEW
E
OLD
[Releasing the Test Mode]
Press the [OFF] key.
[Key Functions]
[7] key : LCD test
LCD display
[0] key : Toggle TX power.
LCD display
**Test Mode**
NEW
OLD
[#] key : Increment RF channel.
[#] key : Decrease RF channel.
LCD display
**Test Mode**
TxPwr:_ Ch:05
NEW
E
OLD
channel number
[9] key : Show software revision
LCD display
**Test Mode**
SW Rev:_HCXI001
NEW
E
OLD
No.
[2] key : Erase all area codes
E
2. Adjustment Equipment and Connection
frequency counter
– HAND MAIN BOARD
(Component Side) –
J1
C1057
C1031
C1029
U1001
3. Check the 18.4 MHz Frequency Error
Procedure:
1. Enter the test mode.
2. Connect the frequency counter to the test point J1 on the RF
unit.
3. Press the [0 ] key to turn on the TX power.
4. Check the frequency ± 1 kHz.
5. If the resuit is with in ± 1 kHz, then no alignment required. Oth-
erwise, refer to next item.
4. Adjustment the 18.4 MHz Frequency Error.
Procedure:
1. Remove C1031 from the HAND MAIN board.
2. Solder on 20 PF variable capacitor C1057 (1-141-546-12) on
the HAND MAIN board. (in parallel of C1029).
3. Enter the test mode.
4. Connect the frequency counter to the test point J1 on the RF
unit.
5. Press the [0 ] key to turn on the TX power.
6. Adjust C1057 on the HAND MAIN board for 0 Hz ± 1 kHz.
– 23 –
RF UNIT
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