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Model
KX-TG8421RUB KX-TG8421RUN KX-TG8421RUT KX-TG8421RUW KX-TG8422RUB KX-TG8422RUN KX-TGA840RUB KX-TGA840RUN KX-TGA840RUT KX-TGA840RUW
Pages
108
Size
2.53 MB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / DIGITAL CORDLESS ANSWERING SYSTEM
File
kx-tg8421rub-kx-tg8421run-kx-tg8421rut-kx-tg8421ru.pdf
Date

Panasonic KX-TG8421RUB / KX-TG8421RUN / KX-TG8421RUT / KX-TG8421RUW / KX-TG8422RUB / KX-TG8422RUN / KX-TGA840RUB / KX-TGA840RUN / KX-TGA840RUT / KX-TGA840RUW Service Manual ▷ View online

29
KX-TG8421RU/KX-TG8422RU/KX-TGA840RU
7.7.
For Service Hint
Cross Reference:
Battery Charge (P.17)
30
KX-TG8421RU/KX-TG8422RU/KX-TGA840RU
8 Service Mode
8.1.
Engineering Mode
8.1.1.
Base Unit
31
KX-TG8421RU/KX-TG8422RU/KX-TGA840RU
Frequently Used Items (Base Unit)
ex.)
Note:
(*1) Refer to Registering a Handset to a Base Unit (P.22).
(*2) When you enter the address or New Data, please refer to the table below.
(*3)
Items
Address
Default Data
New Data
Remarks
C-ID (FSK) sensitivity
04 B6
00
01 (6 dB up)
02 (12 dB up) When hex changes from “00” to “01” or “02”,
gain increases by 6 dB or 12 dB.
C-ID (DTMF) sensitivity
04 C4
50
60 (6 dB up)
70 (12 dB up) When hex changes from “50” to “60” or “70”,
gain increases by 6 dB or 12 dB.
SMS (FSK) receiving sensitiv-
ity
04 B6
00
01 (6 dB up)
02 (12 dB up) When hex changes from “00” to “01” or “02”, 
gain increases by 6 dB or 12 dB.
SMS (FSK) sending level
04 D0/04 CF
0C/90
19/20 (6 dB 
up)
32/40 (12 dB 
up)
When hex changes from “00 0B” to “00 16” or 
“00 2C”, gain increases by 6 dB or 12 dB.
Frequency
00 02/00 01
02/70
-
-
Use these items in a READ-ONLY mode to
confirm the contents. Careless rewriting may
cause serious damage to the computer system.
ID
00 10~00 14
Given value
-
-
Bell length
01 F7
32 (5sec) (*3)
1E (3 sec)
14 (2 sec)
This is time until bell stops ringing.
(Unit: 100 ms)
PULSE Dial speed
(10PPS -> 20PPS)
03 9F
28 (40msec) 
(*1)
14 (20msec)
-
This is pulse make time. (Unit:1ms)
03 A0
3C (60msec) 
(*1)
1E (30msec)
-
This is pulse break time. (Unit:1ms)
01 E4
57 (870msec) 
(*1)
2C (440msec)
-
This is inter-digit time in pulse mode. 
(Unit: 10ms)
Desired Number (hex)
Input Keys
Desired Number (hex)
Input Keys
0
0
A
[R]  +  0
1
1
B
[R]  +  1
.
.
C
[R]  +  2
.
.
D
[R]  +  3
.
.
E
[R]  +  4
9
9
F
[R]  +  5
Bell length
32(hex) = 50(dec) 
→ 50 × 100 msec = 5000 msec (5 sec)
PULSE Dial speed
(10PPS -> 20PPS)
28(hex) = 40(dec) 
→ 40 × 1 msec = 40 msec
3C(hex) = 60(dec) 
→ 60 × 1 msec = 60 msec
57(hex) = 87(dec) 
→ 87 × 10 msec = 870 msec
32
KX-TG8421RU/KX-TG8422RU/KX-TGA840RU
8.1.2.
Handset
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