Troubleshooting - LD Systems U300 IEM Série Manuel D'utilisation

16
PHONES
3.5 mm stereo jack socket to connect earphones or headphones.
17
ST
The green ST status LED illuminates when stereo mode is activated on
the transmitter. The LED goes out as soon as mono mode is activated.
18
RF
The yellow RF LED display illuminates when a radio signal is present. If the LED does
not illuminate while in operation, check whether the receiver's radio channel matches
that of the transmitter, or reduce the distance between the receiver and transmitter.
19
ON / OFF - VOL
Turn the volume knob clockwise over the stop to turn the receiver on and further
to the right to increase the volume. Turn the knob counterclockwise to reduce the
volume and past the stop to turn off the receiver. Always keep the volume at a
comfortable level to avoid hearing damage.
20
BELT CLIP
There is a belt clip on the rear side of the pocket receiver that can be used to attach
the receiver to a waistband, belt, or similar.

TROUBLESHOOTING

PROBLEM
No audio signal or level
too low
Distortions and interference
Distorted sound
DISPLAY
Receiver: RF LED is not illuminating.
Receiver: RF LED is not illuminating. Battery levels
are okay.
Transmitter: Device is switched on.
Receiver: RF LED illuminates.
Receiver: RF LED illuminates.
Transmitter: PEAK LED illuminates.
Receiver: LC display flashes red.
20
SOLUTION
Verify that the transmitter is switched on and
connected.
Verify that the radio frequency of the transmitter and
receiver matches.
Reduce the distance between transmitter and
receiver.
Make sure that the transmitter and receiver and
are in a direct line of sight.
Make sure that the receiver antenna is intact and not
obscured.
Increase the signal level on the transmitter or
increase the volume of the pocket receiver.
Verify that the headphones are correctly
connected.
Remove possible source of interference (digital
devices, other radio systems).
Lower the signal level of the transmitter.
Replace the batteries in the pocket receiver.
7