If A Failure Is Detected; Chairman Unit Ts-801 And Delegate Unit Ts-802 - Toa TS-800 Series Operating Instructions Manual

16. IF A FAILURE IS DETECTED

16.1. Chairman Unit TS-801 and Delegate Unit TS-802

Symptom
Cannot turn ON power.
No sound output from the
speaker or headphone.
Cannot initiate speech.
Cannot operate the
Talk key.
Cause and Points to Check
(When using the lithium-ion battery)
Battery not charged.
(When using the AC adapter)
Power cord or DC input plug not
connected.
Monitor volume control not correctly
adjusted.
Headphone plug not fully inserted.
Is the Central Unit's rear panel-
mounted Short Circuit indicator
illuminated?
Does the Live Status indicator on the
Infrared Transmitter/Receiver unit
remain dark?
Unit address numbers outside range
of 01 – 64.
Infrared Emitter/Detector exposed to
direct sunlight or spotlight.
Are the Infrared Transmitter/Receiver
units and Chairman/Delegate units
positioned to permit their infrared
emitter/detector sections to be in
sight of each other?
Are the TS-905 or TS-907 Infrared
Transmitter/Receiver units correctly
selected to match the ceiling height
and installed so that all the
Chairman/Delegate units are in the
communications service area?
(If both the Power and Speech
indicators simultaneously flash, this
indicates the unit is out of the
communications service area.)
Cable between the
Transmitter/Receiver unit and the
Central Unit not connected.
Priority speech is in progress.
Batteries are not charged as shipped
from the factory. Be sure to fully charge
the battery before use. (Refer to p. 41.)
Connect the power cord (supplied with
the AC adapter) and the DC input plug
correctly. (Refer to p. 42.)
Adjust the volume to an appropriate
level.
Insert the headphone plug fully into the
jack.
Check the cable connected to the Central
Unit's Infrared Transmitter/Receiver unit
I/O terminals.
Set the unit address number within the
range of 01 – 64. (Refer to p. 39.)
Reposition in a location not exposed to
direct light. (Refer to p. 25.)
Install all the units so that they are in
clear view of each other, and select and
install the Infrared/ Transmitter/Receiver
units correctly for the ceiling height.
(Refer to p. 23.)
Infrared Connect the cable.
Operate the key after the priority
speech is completed.
Remedy
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