— 4 —
Test Mode For Handset Unit
To perform the TEST mode, turn the power ON by pressing the “ ” and “#” buttons at the same time.
When entered the TEST mode, the bell rings and the unit enters TEST mode 1 . ( Refer to the following table. )
1. To change the TEST mode: Press the number key for the corresponding TEST mode.
(Refer to the following table)
2. To change channel:
Press “CH” key.
( Note: If the step is changed, the channel returns to the start channel. )
3. To cancel the TEST mode:
Turn the power OFF, charge the Handset, or press the “TALK” key.
STEP
FUNCTION
KEY
START CH TX CONT
SC
TX MUTE RX MUTE
CONV
REMARKS
1
VCO/TX FREQ. ADJ
1
21
L
H
H
L
H
2
TX MOD. CHECK
2
21
L
H
L
L
L
3
TX DATA
3
21
L
H
L
L
L
*1
4
RX SENS
4
21
H
H
L
H
L
5
SQ SENS
5
21
L
H
L
*A
L
6
RECEIVE DATA CHECK
6
21
L
H
L
L
H
*2
7
BELL
7
21
H
L
L
L
H
*3
8
BATTERY LOW CHECK
8
21
H
L
L
L
H
*4
9
CHARGE CHECK
9
21
H
L
L
L
H
*5
10
DUPLEX
0
21
L
H
H
H
L
*A : Squelch ON is H, or Squelch OFF is L.
*1 : In the TEST mode 3, “0000...” will be fed out continuously as transmitting data.
*2 : In the TEST mode 6, bell (1kHz) rings when the data received is “0000...”.
*3 : In the TEST mode 7, bell rings with initial 2 tone (2kHz, 2.2kHz).
*4 : In the TEST mode 8, bell (1kHz) rings when P_BATLOW is “L”.
*5 : In the TEST mode 9, bell rings when P_CHRGIN is “L”.
Channel rotation
21
→
20
→
19
→
40
→
1
→
2
→
3
→
4
→
5 . . . . . . . . 37
→
38
→
39
→
40
↑
Содержание FT-8508
Страница 1: ...SERVICE MANUAL PUBLISHED IN JAPAN Jun 1998 FILE NO 2B0 9804 FT 8508 CORDLESS TELEPHONE ...
Страница 3: ... 2 OPERATING CONTROLS BASE UNIT CONTROLS HANDSET CONTROLS RS YZ 1 2 ...
Страница 10: ...Handset Main 9 BLOCK DIAGRAMS ...
Страница 11: ...Handset RF 10 ...
Страница 12: ...Base RF 11 ...
Страница 13: ...Base Main 12 13 ...
Страница 14: ...SCHEMATIC DIAGRAMS Base Main 14 15 ...
Страница 15: ...Base RF 16 17 ...
Страница 16: ...Base Key 18 19 ...
Страница 17: ...Handset Main 20 21 ...
Страница 18: ...Handset RF 22 23 ...
Страница 36: ...Base Main 41 ELECTRICAL PARTS LOCATION ...
Страница 37: ...Base RF 42 ...
Страница 38: ...Base Key 43 ...
Страница 39: ...Handset Main 44 ...
Страница 40: ...Handset RF 45 ...
Страница 41: ...Base 46 WIRING DIAGRAMS ...
Страница 42: ...Handset 47 W501 W 072147 J502 JK 736 9P J601 IC603 PORTABLE RF B501 PE1294DA TOP VIEW SOLDERING ...
Страница 71: ...MECHANICAL PARTS LIST ...