VTech Analog Classic Series User Manual page 31

2. Slide the ringer tone switch to select the
desired detented position, using a narrow
object such as a standard screwdriver.
3. Install the mounting bracket again to resume
its desktop position.
Flash
For A1210-A and A1220, there are 3 flash
duration options that can be programmed.
To change the flash duration
1. Remove the faceplate and overlay if they
are on the telephone base. Press
on the telephone base or lift the handset.
Then, press the recessed PROGRAM key. The
MUTE key flashes when in administrator mode.
2. Press FLASH and you hear 3 beeps. Then,
press a dialing key, 1 (100ms), 2 (300ms) or 3
(600ms), to select the desired flash duration.
Press the recessed PROGRAM key again. You
hear 3 rising beeps as confirmation.
Voicemail voltage detection
There are 3 options to set the voicemail voltage
detection on the telephone base.
To disable the voicemail voltage detection
1. Remove the faceplate and overlay if they
are on the telephone base. Then, remove the
sticker on the telephone base.
2. Use a narrow object to unplug all the
jumpers from the telephone base.
3. Place the sticker back in place.
Ringer tone
To set the voicemail voltage detection by
the periodic low voltage pulse detection
method
1. Remove the faceplate and overlay if they
are on the telephone base. Then, remove the
sticker on the telephone base.
2. Use a narrow object to unplug all the
jumpers from the telephone base. Then, plug
/SPEAKER
the jumpers into
3. Place the sticker back in place.
To set the voicemail voltage detection by
the steady high voltage and periodic high
voltage pulse detection method
1. Remove the faceplate and overlay if they
are on the telephone base. Then remove the
sticker on
the telephone base.
2. Use a narrow object to unplug all the
jumpers from the telephone base. Then plug
the jumpers into
3. Place the sticker back in place.
Jumper
EN - 31
switch
, and
, and
.
.