Telematrix Spectrum Plus LP550, User Manual, Page: 14 / 52

Message Waiting Light Indicator
The Spectrum PLUS
TM
telephone has a
Message Waiting (MW) Light Indicator
(figure 1). The indicator will blink to
indicate that a new message is in the
user’s voice mailbox. The Spectrum
PLUS
TM
supports the following PBX
supplied message waiting signals:
1. VMWI Service* (FSK signal com-
patible subscription is required).
2. Or, Audible Stutter Dial Tone (SDT)
signals provided by local telephone
company.
3. Or, 90-Volt NEON message waiting
light indicator signal provided by a
PBX.
2. Or, Low Voltage LED message waiting
light indicator light signal is provided
by a PBX
The PBX system provider has to activate
the voice mail feature for the light to
illuminate and work properly. Be sure
that your PBX system has the compatible
messaging service available in your area
or facility.
14
figure 1
Message Waiting Light Indicator
NOTE: This telephone is
designed to operate behind a
PBX which provides NEON/LED
signaling. The LED signal supplied
by a PBX must have the LED Volt-
age switch which is located on the
back of the telephone in the correct
position to operate the LED. See
the next page for instructions.
FSK/SDT signaling is provided by a
telephone operating company and
this telephone will read the CO sig-
naling.
!
Feature Note: Message ON/OFF Notification.
Use this feature when alerting another that a saved message is in voice mail for that person or
use this feature when you simply want to turn the light off.
Be Aware: If there is a new incoming message and the telephone company continues to send
a new signal this light will re-activate. This will occur only when there is a new voice mail that
has not been heard.
How To Use: When on-hook, Press the “*” key for 3 to 5 seconds and the Message LED will
automatically turn on. At any time press “*” key for 3 to 5 seconds ,Message LED will turn off.
f
*Definition: VMWI is Visual Message Waiting Indication. This option requires a sub-
scription to your local service provider for TouchLite
TM
to activate.
d