33
Symptom
Cause/solution
Ref. pages
No reception
Does the operation LED light?
→
Check the AC adaptor connection.
Check the connection between the sensor/receiver and
conversion box.
–
Is the power of the microphone turned on (is a battery installed)?
→
Turn on the power of the microphone (install a battery) to put it
into the transmissible state.
Operating Instructions of
MHH-09, MTD-09
Is the microphone and this unit set to the same channel?
→
Set the channel of the microphone to CH1 or CH2.
–
No sound generated
Does the reception LED indicator CH1 or CH2 light?
→
If the microphone is not normally receivable, the reception LED
indicator does not light.
–
The audio output of LINE IN is not provided.
→
Is audio output of the device connected to LINE IN ready to
be provided?
–
No audio output of the microphone or LINE IN is provided.
→
Is the page mute signal input provided to this unit?
If the page mute signal input is provided, the audio output from
this unit is muted. The 3 LEDs of this unit light yellow while the
page mute function is activated.
–
Is the volume setting equipped in this unit set to the lowest level?
→
The volume of the microphones CH1 and CH2 and LINE IN
equipped in this unit can be adjusted by MTD-09 and through
external communication control.
Operating Instructions of
MHH-09, MTD-09
The volume of the mixing output fluctuates.
→
When the microphone override function is active, an audio input
to the microphone (CH1 or CH2) attenuates the audio level
provided to LINE IN.
–
Audio interrupted
Is the feedback blocker activated?
Adjust the speaker output to the lower level so as to avoid feedback.
–
Interference
Are the multiple microphones set to THE same channel?
→
Change all the channels (frequency) to be different which is not
used by any other microphone in the same room.
–
Are the multiple microphones in use in close range?
→
Widen the distance of the microphones from each other, more
than 50 cm {19-11/16 inches}.
–
Is the microphone in use too close to the sensor?
→
Increase the distance while using.
Operating Instructions of
MHH-09, MTD-09
If there is a device that uses high frequency or there is a source of
noise nearby, interference may occur.
→
Keep a distance from the source of noise or use the microphone
closer to this unit.
–
Troubleshooting
