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Connections & Setup
5. Press the SELECT button.
6. Use the REVIEW < or > button to scroll to ON or OFF.
7. Press the SELECT button to save. The cursor automatically moves to LINE 2.
8. Repeat steps 6 and 7 for each telephone line. After you select a tone for Line 4, press the EXIT button.
No Unknown/Blocked (Not applicable to model 25403.)
This option allows you to decide whether the unknown or blocked caller ID calls are saved or not. If you select YES, the unknown or blocked
calls will be saved.
1. Press the MENU button while in standby mode.
2. Use the REVIEW < or > button to scroll to SET PHONE OPTIONS.
3. Press the SELECT button.
4. Use the REVIEW < or > button to scroll to NO UNKNOWN/BLOCKED.
5. Press the SELECT button.
6. Use the REVIEW < or > button to scroll to YES or NO. The default is YES.
7. Press the SELECT button to save.
Display Contrast
Adjust the display contrast to one of four contrast levels.
1. Press the MENU button while in standby mode.
2. Use the REVIEW < or > button to scroll to SET LCD CONTRAST.
3. Press the SELECT button. The MIN and MAX contrast scale shows on the display.
4. Use the REVIEW < or > button to adjust the contrast. The display instantly adjusts with each press of the < or > button.
5. Press the SELECT button to save the desired contrast level.