VTech VT 4121 - Manual (Page 18)

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4. Dial the number (digi) you want to
store.
5. Press MUTE (ENTER) to save.
Repeat step 2 and press another speed
dial button to continue programming
speed dial numbers.
13.2 Storing a Caller ID Number
1. Display the number in the caller ID
list. (Refer to Caller ID Operation).
2. Press PROGRAM.
3. Press the SPEED DIAL button.
4. Press MUTE (ENTER).
5. Press CID.
6. Press MUTE (ENTER) to save.
13.3 Erasing the Contents of a
Speed Dial Bin
1. Press PROGRAM.
2. Press the SPEED DIAL button.
3. Press MUTE (ENTER) .
4. Press ERASE twice. For example,
if you are deleting the contents of
bin 10, the display will show:
14. Line In Use Detection
Default Setting: Enable
This feature allows the speakerphone
to detect other telephone devices us-
ing any of the four telephone lines. The
speakerphone indicates line-in-use sta-
tus by illuminating the LED correspond-
PROGRAMMING
ing to the line-in-use. This feature may
not be compatible with some telephone
systems. You may disable line-in-use
detection if you use the speakerphone
as a private telephone system exten-
sion.
1. Press PROGRAM.
2. Press VOLUME until the display
shows:
3. Press MUTE (ENTER) . The display
shows:
4. Press VOLUME to choose set-
ting.
5. Press MUTE (ENTER) .
15. Reset default Values
You may clear all the programmed data,
and reset all parameters back to the
original factory default values.
1. Press PROGRAM.
2. Press VOLUME until the display
shows:
3. Press MUTE (ENTER) . The display
shows: