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Programming the Telephone
7. Press the Sel/Save button to save.
NOTE: Not applicable to Model 25423.
Display Contrast
Adjust the display contrast to one of four contrast levels.
1. Press the Menu button while in standby mode.
2. Use the Vol (+ or -) buttons to scroll up or down to SET LCD CONTRAST.
3. Press the Sel/Save button. The MIN and MAX contrast scale shows on the display.
4. Use the DIR or CID (left/right) buttons to adjust the contrast. The display instantly
adjusts with each press of the button.
5. Press the Sel/Save button to save the desired contrast level.
Local Area Code
1. Press the Menu button while in standby mode.
2. Use the Vol (+ or -) buttons to scroll up or down to SET AREA CODE.
3. Press the Sel/Save button.
4. Use the Vol (+ or -) buttons to scroll up or down to LOCAL AREA CODE.
5. Press the Sel/Save button. Enter Number shows in the display.
6. Use the touch tone pad on your phone to enter your local area code.
7. Press the Sel/Save button to save.
NOTE: If you make a mistake, press Delete to erase all digits.
NOTE: Not applicable to Model 25423.
Regional Area Codes
Depending on your location, you may need to set up to six regional area codes. Setting
Regional Area Codes helps the phone determine the number format to display when a
valid CID record is received. Call records matching any of the set regional area codes are
displayed as 10 digits.
NOTE: If the CID telephone number does not display correctly, you may not be able to dial
back the number from the Caller ID menu.
You may need to set regional area codes if you reside in an area which:
• uses multiple area codes
• uses overlapping area codes
• requires 10-digit dialing.