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2. SDM 159, SDM 169 and SEM 181 Handheld Transmitters
2.1 Controls and Indicators
(1) Microphone head (fixed)
(2) Battery compartment
(3) Power On battery condition LED
(4) On/Off switch
(5) Mute switch
2.2 Setting up
1. Switch on the NE 100 receiver.
2. Rotate the microphone under the microphone head (1) counter clockwise and carefully
slide the transmitter shaft down. Insert two 1.5 V alkaline batteries (AAA type - micro).
Observe the polarity marks.
3. Slide the transmitter into the shaft again and rotate the microphone clockwise to lock.
4. Switch on the microphone by switching the On/Off switch (4) to the “On” position. The
Power On battery condition LED (3) is illuminated. If the transmitter is properly working
one of the diversity LEDs of the NE 100 receiver should be illuminated.
5. Make sure that the mute switch (5) is switched to the “Off” position. The mute switch (5)
is for muting the transmitter during pauses of speech. Please note that the microphone is
still consuming power when it is muted.
6. When the battery capacity is too low for operation, the power on battery condition LED (3)
will flash for around 1 hour before the transmitter switches off (LED (3) goes out).
english
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(1)
(2)
ALKALINE
SIZE AAA
1.5 VOLTS
ALKALINE
SIZE AAA
1.5 VOLTS
(3)
(4)
On Off
Mute
On Off
Power
SEM 181
V
(5)