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Press either the MUTE key or the DND/FWD key to change value between ‘Yes’ and ‘No’. Press
the SPKR key to advance to the next parameter.
NOTE: If you wish to retain the use of the speaker phone, you may connect a headset without
enabling this parameter. In this case, you will have to lift the handset from the cradle to
activate the headset.
The model IVT-16N key telephone (without the LCD module) will turn on the light associated
with extension #102 to indicate that headset use is disabled or the light associated with extension
#103 will be on to indicate that headset use is enabled.
LCD Contrast Selection
You can adjust the contrast of the LCD to optimize the viewing angle of the display. There are
nine settings (‘0’ through ‘8’) for LCD contrast. The default setting is ‘4’. The LCD display will
show:
The number after “LCD Contrast” will indicate the currently selected value. Press the MUTE key
to increment the value or the DND/FWD key to decrement to the previous value. Press the SPKR
key to advance to the next parameter.
U s e H e a d s e t :
N o
A
c t i v e K e y s
a r e
l i t
L C D C o n t r
a s t :
1
A c t i v e K e y s
a r e
l i t
User Message Display
The IVT-16 key telephone will display a message on the second line of the LCD. The message can
be up to twelve (12) characters in length. The LCD display will show:
The cursor will appear under the
fi
rst character. Press the MUTE key to move the cursor to the
right one position or the DND/FWD key to move the cursor to the left one position. Press the
SPKR to advance to the next parameter.
P r e s s L e t
t e r K e y s :
User Message Display
Chapter
5
- IPS System Used With IVT-16 Key Telephone
