PROGRAMMING
4.Press MUTE (ENTER) again. The display shows:
5.Press VOLUME to choose the setting.
6.Press MUTE (ENTER).
To continue programming the remain-
ing lines press VOLUME and then perform steps
6. CO Line Ring Tone
Default Setting: 1
Range:
You can choose one of four different ringing tones for your telephone. The selection chosen will apply to all four CO lines on your telephone.
1.Press PROGRAM.
2.Press VOLUME until the display shows:
3.Press MUTE (ENTER). The display shows:
4.Press VOLUME to select a dif- ferent ring tone. You will hear a sample tone for each choice.
5.Press MUTE (ENTER).
7. Delayed Ringing
Default Setting: Disabled
Range: Disable, 2 seconds to 30 sec- onds (2 second increments)
You may choose to have the CO line ringing delayed for overflow and caller ID applications.
1.Press PROGRAM.
2.Press VOLUME until the display shows:
3.Press MUTE (ENTER). The display shows:
4.Press VOLUME to select the delay time between 2 seconds and 30 seconds (in 2 second incre- ments).
5.Press MUTE (ENTER).
8.CO Trunk Connection
Default Setting: All Lines Connected
Your telephone can detect another tele- phone, facsimile, or modem that is in- use on one or more of the CO lines.This privacy feature will prevent accidental instruction by another VT4121 speak- erphone user. The
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