User's Manual

24
5. SYSTEM FUNCTIONAL CHECK
ACTION
RESULT
Plug base station AC adapter into electrical
outlet.
System power is on. Base station POWER lights
are on. System is silent.
Go outside (or have someone else go outside) and follow the steps below.
Push COMMUNICATOR
®
button A and speak
into headset microphone.
Audio should be heard at outside speaker.
Release button A. Place vehicle detector reset
switch in OVERRIDE position. Tap on outside
microphone.
Vehicle present tone should be heard in headset
earpiece, followed by inbound audio. If this
does not happen, there is a wiring problem.
5.1 Noise Reduction Adjustment
When the ClearSound feature is turned on, it provides four levels of noise reduction.
It can be adjusted for the best balance of noise reduction and voice quality,
considering the store’s environment.
Locate the S13 switch near the center of the base station audio circuit board. Refer
to Figure 28 on page 37.
To turn the ClearSound noise reduction feature on, place the S13 switch position 2 ON.
ClearSound Noise Reduction Adjustments
18 dB reduction
(maximum)
13 dB reduction
9 dB reduction
6 dB reduction
(minimum)
S13 3
OFF
OFF
ON
ON
S13 4
OFF
ON
OFF
ON
S13 1 = VAA ON/OFF
S13 2 = ClearSound ON/OFF
Note: Factory default settings for S13-3 and S13-4 are shown in bold.