KX-TG6811CAB, KX-TG6811CAM, KX-TG6812CAB, KX-TG6821CAB, KX-TG6821CAM, KX-TG6822CAB, KX-TGA681RUB, KX-TGA681RUM - Panasonic Telephone Service Manual (repair manual). Page 21

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KX-TG6811CAB/KX-TG6811CAM/KX-TG6812CAB/KX-TG6821CAB/KX-TG6821CAM/KX-TG6822CAB/KX-TGA681RUB/KX-TGA681RUM
8 Service Mode
8.1.
Engineering Mode
8.1.1.
Base Unit
Impo rtant:
     
Make sure the address on LCD is correct when entering new data. Otherwise, you m ay ruin the unit.
9). Press
   (off) to return to standby mode.
          After that, turn the base unit power off and then power on.
1).   Press 
{
}
.
2).   Select "Initial Setup" using      or     
       then press  
{
OK
}
.
H/S key operation
{^} {V}
4).   Enter "7", "2", "6", "2", "7", "6", "6", "4".
       Note: 7262 7664 = PANA SONI 
                (see letters printed on dial keys)
6).   Enter " ", " ", " ", " " (Address). (*1)
7).   Enter " ", " " (New Data). (*1)
5).   Select "Write EEP" using      or     
       then press 
 or 
{>}
.
{^} {V}
3).   Select "Line Setup" using      or     
then press 
{
OK
}
 or 
{>}
.
{^} {V}
_ _ _ _   _ _
H/S LCD
Set Addr.:
Initial Setup
Ringer Setup
^
V
       OK
Line Setup
^
V
       OK
 
Default Data
Set Addr.:
C
OK
New Data
Set Addr.:
C
OK
8).   Press         , a long confirmation beep 
       will be heard.
{
OK
}
Recall/Flash
^
V
       OK
       OK
Service Mode
 Read EEP
 
Write EEP
{
OK
}
Get S/W Ver.
This pictured model is KX-TG6821.
Soft keys
Navigator key/
W (Caller list) key/
R (Redial) key
Dial keypad
{ic} (Off/Power)
{R/ECO}
R: Recall/Flash
ECO: Eco mode shortcut key
Answer System
       OK
       OK
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