Sony 3-873-945-12 (1) Operating Instructions Manual page 39

Symptom Meanings
There is too The microphone connected to
much bass. the transmitter produces
excessive bass because the
frequency response of the
transmitter extends into the low
20-Hz range.
The power The power switch is locked.
does not turn
off even though
the power
switch is turned
to OFF.
Wireless Pairing has not been established
remote control between the transmitter and
is not possible. receiver.
The receiver is too far from the
transmitter for communication to
occur.
The transmitter that was paired
with the receiver has been
paired with another receiver.
The USB You are using a USB keyboard
keyboard does that is not compatible with the
not work. transmitter.
The display is The display brightness is set to
too dark. low.
Remedy
Use the low-cut filter to cut the
bass.
Turn off the POWER SW LOCK
function.
Carry out pairing (see page 26).
Check the wireless remote control
condition level. If it is low,
decrease the distance between
the transmitter and the receiver.
On the receiver, carry out pairing
again with the transmitter that you
want to control.
Check the conditions for using a
USB keyboard with the transmitter
(see page 30).
Adjust the brightness of the display
(see page 35).
Troubleshooting 39