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5
Operation
5.1 Selection of the transmitting
frequency and receiving frequency
The wireless transmission is made in the frequency
range of 863 – 865 MHz on 16 fixed channels
(frequencies of the channels
mitter and receiver must be adjusted to the same
channel, otherwise no signal transmission will
be possible
5.1.1 Adjusting the frequency on the receiver
As it is possible that some frequencies are already
reserved by other users of wireless systems at the
place of application, first the receiver should be
adjusted to the desired channel with the transmit-
ter switched off If a signal is already received on
the frequency [the LED RF (5) on the receiver lights
up], another channel should be selected to pre-
vent mutual interference To adjust the channel:
1) Switch on the receiver with the POWER switch
(2) The power LED (3) lights up
2) Adjust a free channel via the rotary switch
CH (4) by means of the trimming key supplied
with the transmitter or by means of a small
screwdriver
9
Example
13
Channel 12 is adjusted
5.1.2 Adjusting the frequency
on the transmitter
1) Switch on the transmitter with the button
ON / OFF MUTE (24) The LED (25) shows green
If it shows red, the battery is almost discharged
and has to be replaced soon (
2) Use the trimming key supplied to adjust the
rotary switch CH (17) to the channel of the
receiver The LED RF (5) on the receiver should
show red or green now (depending on the
antenna receiving the signal) If the LED does
not show red or green, check if:
– the receiver has been switched on
– the distance to the receiver is too large or
there are obstacles in the transmission path
which may shield the radio signal
– transmitter and receiver have been adjusted
to the same channel
☞
chapter 6) Trans-
☞
chapter 4 3)
5.2 Adjusting the level
1) Switch on the receiver with the POWER
switch (2) The power LED (3) lights up Switch
on the connected amplifier system
2) For the time being, turn up the control VOL
(7) approx halfway
3) Switch on the transmitter with the button
ON / OFF MUTE (24) The LED (25) shows green
If it shows red, the battery is almost discharged
and has to be replaced soon (
4) For the time being, turn up the control
GAIN (19) approx halfway by means of the
supplied trimming key
5) Turn up the volume control of the guitar and
play a loud chord or a sound of high volume on
the instrument the microphone is directed to
In addition to the LED RF (5), now the LED
AF (6) on the receiver should light up when a
sound is played The sound should be heard
via the amplifier system
If the LED AF does not light up and the
volume of the sound is too low, turn up the
control GAIN clockwise If the sound is dis-
torted, slightly turn back the control
6) Tune the output level of the receiver to the
input of the connected amplifier or mixer with
the control VOL (7) In addition, when using
the XLR output, the output level may be atten-
uated by 20 dB with the switch OUTPUT LEVEL
(8) [e g for connection to a microphone input]
5.3 Switching off the units
Switch off the transmitter after use and if it is
not used for a longer interval in order to save the
battery For this purpose, keep the button ON / OFF
MUTE (24) pressed for approx 2 s until the LED
(25) is extinguished For short interruptions of
the playing, only press the button briefly, then
the LED flashes and the transmitter is muted until
the button is pressed again
Switch off the receiver with the POWER
switch (2) If the receiver is not used for a longer
time, disconnect the power supply unit from the
mains as it will have a low power consumption
even when the receiver is switched off
☞
chapter 4 3)
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