Interquartz IQ750 - Manual (Page 12)

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RINGER/MESSAGE WAITING INDICATOR
Located at the top right hand side of the telephone above the DISPLAY, the red lense
contains two different indicators; their functions are as follows:
1. Ring Indicator Flashes when the telephone rings with an
incoming call.
2. PABX Message Waiting Indicator Illuminates when a message is waiting in your
PABX voicemail system (depends on system
compatibility). The built-in Message Waiting
option suits any neon type (minimum 80 VDC)
message waiting system and Ericsson BP250
Message Waiting (other system types are available
as optional extras). To determine which PABX type
your IQ750 has been prepared to suit,
check the telephone’s underside for a label indicating that specific circuitry has been
installed in your unit. If in doubt, contact Interquartz for further details. To retrieve your
message, consult your voice mail system user guide.
IQ750 is also fitted with a message waiting indicator lamp which is compatible with the
voicemail features of Centrex networks (eg. Telstra Customnet) and residential line voicemail
systems (eg. Telstra Home Messages 101 and MessageBank). There are indicators
located in the CALLER Key and display for these services and are described elsewhere
in this manual.
RINGER VOLUME SWITCH
The three available positions allow selection of OFF (no sound), LOW volume, and HIGH
volume of the telephone ringing sound during an incoming call (Figure 2B).
RINGER PITCH CONTROL
The pitch of the ringing sound may be altered by rotating the control to suit your preference
to achieve a distinctive sound, or one that is audible, more distinctive or more pleasant.