40
Symptom
Cause and Points to Check
Remedy
Unable to
start speaking.
Connected correctly?
Check all connections. (See p. 23.)
Is the Master control unit’s connection
test indicator flashing?
It may be possible that the Conference
unit is assigned the same ID number as
another unit. Reset the ID number. (See
Is the conference mode correctly set?
Use the conference mode best suited to
the type of conference to be held.
(See p. 31.)
• The Talk key cannot be used to start
speaking if the mode is set to Voice
activation.
• Delegate units cannot be used
for speaking if the mode is set to
Chairman only.
Microphone’s In-use
indicator extinguishes
while speaking.
Is the Mic auto-off set to Enabled?
When the Mic auto-off function is
set to Enabled, the microphone will
automatically turn off if silent for more
than 30 seconds. If pauses of 30
seconds or more are expected during
speaking, disable the Mic auto-off
function. (See p. 33.)
Is the conference mode set to Voice
activation?
In Voice activation mode, if a pause of
2 seconds or more is detected during
speaking, speaking is assumed to have
ended, turning off the microphone.
If the microphone turns off frequently
while speaking, use a different
conference mode. (See p. 31.)
Mic auto-off function
does not work.
Is the background noise level too high
due to air conditioners or the like?
There may be cases in which the Mic
auto-off function does not work in
locations where the background noise
level is high.
Install the units in locations with a low
noise level or disable the Mic auto-off
function. (See p. 33.)
* Can be downloaded from the TOA DATA Library (https://www.toa-products.com/international/).