Guardian Telecom
Installation and Operation
Models PTR, PTA, PPR & PPA
Page 6
Features
Faceplate
•
Stainless steel with four screws
Ambient Noise Monitor (Optional)
•
monitors the ambient noise and adjusts speaker volume accordingly
•
initial level adjustment on faceplate
System Indicator LED.
•
indicates if handset is off hook
Handset
•
page switch on handset
•
noise canceling dynamic microphone
•
electronic hook switch provides durability
Headset (optional)
•
plug in headset
Speaker Muting
•
a jumper on the circuit board selects muting of the associated
speaker to avoid acoustic feedback
Controls
•
speaker volume – (internally and externally accessible)
•
ambient noise level monitoring
•
microphone gain
•
receiver volume
•
side tone level
