VTech VT 4121 - Manual (Page 14)

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3. Press MUTE (ENTER). The display
shows:
4. Press VOLUME to select the
dialing mode.
5. Press MUTE (ENTER) to save.
4. Date and Time
Default setting: Jan 01 FR 1:00A
You can program the time in either 12-
hour or 24-hour (military) format.
1. Press PROGRAM.
2. Press VOLUME until the display
shows:
3. Press MUTE (ENTER) to program
the month.
4. Press VOLUME to view the
months.
5. Press MUTE (ENTER) to select the
appropriate month and proceed to
programming the date.
6. Press VOLUME to view the
choice for the date.
7. Press MUTE (ENTER) to select the
appropriate date and proceed to
programming the day of the week.
8. Press VOLUME to view the
choices for the day.
9. Press MUTE (ENTER) to select the
appropriate day and proceed to pro-
gramming the clock for AM/PM or
24-Hour.
10. Press VOLUME to switch be-
tween the three choices.
11. Press MUTE (ENTER) to select the
appropriate setting and proceed to
programming the hour.
12. Press VOLUME to view the
choice for the hour.
13. Press MUTE (ENTER) to select the
appropriate hour and proceed to
programming the minutes.
14. Press VOLUME to view the
choice for the minutes.
15. Press MUTE (ENTER) to select the
appropriate minutes. You will hear a
single confirmation tone and the dis-
play will show the new date and
time.
5. CO/PBX Line Ringing
Default Setting: Enabled
You can program the ringer for each
central office/PBX line(1-4). If you do not
want the line(s) to ring at your tele-
phone, choose the “OFF” setting for
each line.
1. Press PROGRAM.
2. Press VOLUME until the display
shows:
3. Press MUTE (ENTER) .The display
shows:
PROGRAMMING