Toshiba FT-8939, Service Manual

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3
ALIGNMENT PROCEDURE
Test Mode For Base Unit
Press the “PAGE” key about 3.0 seconds while turning the power on.
1. To change the TEST mode: Press the “PAGE” key with T/P switch to PULSE position.
2. To change channel: Press the “PAGE” key with T/P switch to TONE position. If changing the step, the
channel returns to the start channel.
3. To cancel Test mode: Bell rings, charge the Handset or Power off.
*A : CHARGE LED is ON when SQ ON, CHARGE LED is OFF when SQ OFF.
*1 : “0000...” (250Hz) will be fed out continuously as transmitting data.
*2 : CHARGE LED lights when the received data are “0000...”.
Channel rotation
19
ð
20
ð
21
ð
40
ð
1
ð
25
ð
2
ð
3........24
ð
26........38
ð
39
ð
40
STEP
1
2
3
4
5
6
7
8
9
10
FUNCTION
VCO/TX FRQ. ADJ
TX MODE CHECK
TX DATA
RX SENS.
SQ SENS.
SINGLE TONE CHECK
DUAL TONE CHECK
DATA IN CHECK
CHANNEL DATA CHECK
DUPLEX
START CH
19
19
19
19
19
19
19
19
19
19
TX CONT
L
L
L
H
L
H
H
L
H
L
TX MUTE
L
H
L
L
L
L
L
L
L
H
RX MUTE
L
L
L
H
*A
L
L
L
L
H
RL CONT
L
H
L
H
H
H
H
L
L
H
REMARKS
*1
*2