Panasonic KX-TD500 System Reference Manual page 1295

7.00 Changing DISA User Code
This is used to change the DISA user code. For further information about DISA feature, refer to Section 3-
D-2.02 "Direct Inward System Access (DISA)".
Operation
1. Set PITS system
programming mode.
(See 12 - C - 1.01)
2. Dial "0 5". (program
number)
3. Dial DISA code number (1
to 8).
4. Dial DISA user code: four
digits.
5. Press the MEMORY button
to store the code.
To exit from the programming
mode (See 12 - C - 1.02)
Result
• The following message appears
on the display:
SYS-PGM No?
• The MEMORY button indicator
lights in red.
• A message appears on the
display and requires you to enter
the DISA code number:
DISA CD No?
• The MEMORY button indicator
light goes out.
• Current user code of the selected
DISA code number appears on
the display:
<Example>
USR CD 8 : 1234
8 : DISA code number
1234 : DISA user code
• If nothing is stored:
USR CD 8 :
• Dialed digits appear on the
display:
USR CD 8 : 5555
• The MEMORY button indicator
lights in red.
• Confirmation tone sounds.
12-C-17
Comment/Note
• Digits 0 through 9 can be
entered as the DISA user code.