Toa N-8000 Series - Manual (Page 612)

8-12
Chapter 8 APPENDIX
Symptom Potential Cause/Place to Inspect Remedy
No voice is output or the
sound is distorted.
The exchange or any kind of interface
unit may not be connected correctly to
the amplifiers and/or speakers.
Connect the amplifiers and/or
speakers correctly.
The amplifier's audio input volume
control may not be adjusted correctly.
Adjust the audio input volume control
correctly.
The amplifier's audio input level
selector switch may not be set
correctly.
Set the audio input level selector
switch correctly.
Voice and sound settings may not be
performed correctly.
Perform the "Broadcast Specification"
setting correctly. (See p. 5-33 , 5-41 ,
5-53 , 5-61 , 5-88 , 5-96 , 5-105 .)
Microphone's audio level of the
partner station may be extremely low.
Partner's microphone (handset) may
not be connected correctly or opening
of the partner's microphone for hands-
free use may be blocked.
Check to see if the indication "Input
audio error" is displayed in the
operation log of the exchange or
"DSP silent fault" is displayed in the
operation log of the IP station.
Check the contents of log. (See p.
6-34 .)
Connect the partner's station handset
correctly or remove obstacles that
block the opening of the partner's
station microphone for hands-free use.
Voice signals include
intermittent noise or
break up.
The network may be congested. Check
the contents of log. (See p. 6-34 .)
When the network is congested,
consult with the network administrator.
No sound is output from
the station speaker.
Station's internal speaker (handset)
may not be connected correctly.
Connect the handset correctly.
No sound is output from
the station's internal or
external speaker.
(N-8000MS/8020MS/
8500MS/8600MS only).
The speaker selector switch may not
be set correctly.
Set the speaker selector switch
located on the station's bottom surface
to the speaker type you want to use.
The exchange generates
excessive heat.
Check to see if the exchange's front
panel-mounted Status indicator flashes
continuously.
The exchange may be malfunctioning.
Contact your nearest TOA sales office
immediately.
The system temporarily
stops operating but is
restored after a few
seconds.
Check to see if the indication
"Firmware failed. Please contact
our sales office." is displayed in the
operation log.
A problem has occurred and the
system has been reset. Nonetheless,
since there is a chance that the system
may fail again, please contact your
nearest TOA sales office immediately.