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Symptom
Reference
pages
Cause/solution
You hear your echo in head-
set earpiece when you speak
into microphone of headset.
Outside speaker and microphone may not be properly installed.
• Be sure speaker and microphone are isolated from each
other, and tightly mounted with enough foam packed around
each of them to absorb vibrations.
–
Outbound and/or inbound audio level may be set too high.
• Set outbound audio level just high enough to be heard by
customers. Lower inbound audio to comfortable level.
Note: Lower inbound audio setting may also prevent feedback
noise.
–
Echo canceller may be OFF or Effect level may be "LOW".
• Set echo canceller level properly.
Note: Default setting is "MAX"(LED:RED))
27
You hear annoying noise of
vehicles outside.
DNR may be OFF or Effect level may be "LOW".
• Set DNR level properly.
Note: Default setting is "MID"(LED:YELLOW))
27
The TALK indicator and PAGE
indicator are blinking after
startup, and communication
cannot be performed at all.
The Center Module may fail to start up.
• Turn off the power and on the power again.
9
The TALK indicator and PAGE
indicator are blinking after
startup, but communication
can be performed.
The Double-Drive-Thru function does not work properly. But, the
Single Lane operation works well.
• Check to see whether the power of the other Center Module is
set to ON.
• Check to see whether the Center Modules are correctly con-
nected.
• Check to see whether LANE A and LANE B are selected for
the lanes, respectively.
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