Toa S-D7802 - Manual (Page 33)

33
15. TROUBlESHOOTING
Symptom Point to check Remedy
The receiver fails to turn on even if
the power switch is turned ON.
The power plug is disconnected
from the AC outlet.
Plug the power plug into the AC
outlet.
No signal received. Wireless microphone's power
switch not set to ON.
Set the wireless microphone's
power switch to ON.
Wireless microphone's battery
discharged.
Replace the wireless microphone's
batteries with the new ones.
Receiving frequency (Group/
Channel) and the wireless
microphone's frequency not
identical.
Set group and channel numbers
identical to the wireless
microphone's.
Receiving ID not identical to the
Wireless microphone's ID.
Set the ID identical to the Wireless
microphone.
Wireless microphone is used out of
the communication range.
Use the wireless microphone
closer to the antenna.
Check the antenna attenuator
setting.
No sound output. Wireless receiver not connected
correctly to the device on the latter
stage.
Connect each component
correctly.
Sound is too faint to hear or
distorted.
Output level selector switch on the
wireless receiver's rear panel not
set to the correct position.
Set the output selector switch to
the correct position.
Input volume control knob of the
connected device not adjusted
appropriately.
Set the Input volume control knob
of the connected device to an
appropriate level.
Wireless microphone sensitivity
not adjusted appropriately.
Adjust the wireless microphone's
gain appropriately.
Noise and abnormal sound are
heard.
Interference exists. See p. 21, "HOW TO
CHECK AND DEAL WITH
INTERFERENCE."
Transmission distance short. Antenna and antenna cable not
connected correctly.
Connect the antenna and antenna
cable correctly.
Antenna attenuator not set
appropriately.
See p. 24, "Reducing Radio
Interference by way of Antenna
Attenuator."
Setting cannot be performed
through menu operation.
The receiver placed in Remote
mode.
See p. 27, "Remote/Local Mode
Setting."
Antenna attenuator and Antenna
cascade indicators flashing.
Word clock setting not correct. See p. 25, "Word clock settings
for the digital audio signal output."
Group and Channel indicators
display
(CH.S.)
indication, and no signals received.
Scan in progress See p. 23, "Idle Channel Search
by way of Channel Scan."