15
Adjusting the transmission frequency
Adjust the desired transmission frequency with switch
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. Each number on the
switch corresponds to a transmission frequency. The transmission frequencies are
listed on the type plate in the battery compartment.
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Make sure that transmitter and receiver operate on
the same frequency.
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Use a small screwdriver (width approx. 2 mm) for switching.
Switching the transmitter on / selecting the sensitivity
The ON/OFF switch
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and the sensitivity switch
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are recessed.
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As the ON/OFF switch is used more often it is set slightly higher
than the sensitivity switch.
After switching on the transmitter you have to wait approx. 2 seconds as the
transmitter requires this time for adjusting to the chosen frequency (PLL locked).
After a short time, the red LED below the ON/OFF switch will light up. It serves
as a pilot lamp and indicates:
when it is lit:
The battery is O.K.
when it blinks:
The battery is almost flat, it will only work for about another
half an hour.
if it flickers:
A self-test has shown a defect. Please return the microphone
to your local Sennheiser service department for repair.
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LED
