28
Symptom
Ref. pagesCause/solution
• Is an external device (for example,
a portable CD player) connected to
the microphone input terminal?
→ Connect the external device (for
example, a portable CD player)
to the external input terminal.
• Are the [OWN], [OTHER] and
[LINE] selection indicators all lit?
→ Press the [PWR/MUTE] button
for 2 seconds or more to turn off
the microphone, and then turn
the power on again.
• Is the infrared sensor too far away?
→ Try to move closer to the
infrared sensor or change your
operating position.
• Is a rechargeable battery installed?
→ Install a rechargeable battery.
• Is the power plug of the charger
inserted all the way into the AC out-
let?
• Is the power cable of the charger
inserted all the way into the charg-
er?
• Is the DC plug of the charger insert-
ed all the way into the DC input ter-
minal?
→ Confirm the connection.
• Is the power of the microphone
turned on?
→ Turn off the power of the micro-
phone.
Loud noise
No operation possible
(muting, volume adjust-
ment, etc.)
Problems with adjusting
the volume
Does not charge
(charge indicator is off)
20
12
5, 6
22, 23
22, 23
22, 23
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