KX-TG1611RUF, KX-TG1611RUH, KX-TG1611RUJ, KX-TG1611RUR, KX-TG1611RUW, KX-TG1612RU1, KX-TG1612RU3, KX-TG1612RUH, KX-TGA161RUF, KX-TGA161RUH, KX-TGA161RUJ, KX-TGA161RUR, KX-TGA161RUW - Panasonic Telephone Service Manual (repair manual). Page 14

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14
KX-TG1611RU/KX-TG1612RU/KX-TGA161RU
8 Service Mode
8.1.
Engineering Mode
8.1.1.
Base Unit
Note:
(*1) Refer to For Service Hint (P.13).
1).  Register a Handset to a Base Unit.
6).  Repeat from Step 4).
5).  Press "YY"(Data) ,   
      then press 
{j/OK}
 (Menu/OK) key.
      D is new setting data
4).  Press "XXXX"(Address) ,
      then press 
{j/OK}
 (Menu/OK) key.
      D is current setting data
H/S key operation
H/S LCD
Ringer Setup
A:0000   D:00
A:XXXX   D:XX
w
w
Important:
  Make sure the address on LCD is correct when entering new data. Otherwise, you may ruin the unit.
3).  Press "#004".
      A is Address   D is data
If press 
{i/h}
 (Off/
Power
) twice anytime, return to standby mode.
1
1
1
1
1
w
w
A:XXXX   D:YY
A:XXXX   D:XX 
w
2).  Press 
{j/OK}
 (Menu/OK) key.
{j/OK} (Menu/OK)
{C} (C lear)
{ic} (Off/Power)
Dial keypad
 Navigator key
{^} {V} {<}  {>}
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