KX-TG6621RUB, KX-TG6621RUM, KX-TG6621UAB, KX-TG6621UAM, KX-TG6621CAB, KX-TG6621CAM, KX-TG6622CAB, KX-TGA661RUB, KX-TGA661RUM - Panasonic Telephone Service Manual (repair manual). Page 17

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17
KX-TG6621RU/KX-TG6621UA/KX-TG6621CA/KX-TG6622CA/KX-TGA661RU
8 Service Mode
8.1.
Engineering Mode
8.1.1.
Base Unit
2).   Press          .
1).   Register a Handset to a Base Unit. (*1)
3).   Select "Initial Setup" using      or     
       then press         or 
{>}
.
H/S key operation
H/S LCD
Important:
     
Make sure the address on LCD is correct when entering new data. Otherwise, you may ruin the unit.
{^} {V}
5).   Enter "7", "2", "6", "2", "7", "6", "6", "4".
       Note: 7262 7664 = PANA  SONI
                 (see letters printed on dial keys)
7).   Enter "
٨
", "
٨
", "
٨
", "
٨
" (Address). (*2)
9).   Press         , a long confirmation beep 
       will be heard. 
10).   Press              (off) to return to standby mode.
          After that, turn the base unit power off and then power on. 
8).   Enter "
㧖", "㧖" (New Data). (*2)
6).   Select "Write EEP" using      or     
       then press         or 
{>}
.
{^} {V}
Default Data
New Data
M
Caller List
^
V
M
^
V
Initial Setup
M
M
Service Mode
 Read EEP
 
Write EEP
Set Addr.:
_ _ _ _   _ _
Set Addr.:
Set Addr.:
M
M
8
M
M
M
^
V
Line Setup
4).   Select "Line Setup" using      or     
       then press         or 
{>}
.
{^} {V}
M
Dial keypad
{ic} (Off/Power)
{ECO/R}
ECO: Eco mode shortcut key
R: Recall/Flash
Naviga
(Volume) key
tor key/
?
Soft keys
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