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AM Loop Antenna
The RM350D is provided with an
external AM antenna for AM recep-
tion.
1. Carefully pull the antenna lead
from the holding notch in the
antenna and unwind the lead
from the loop.
2. Connect the antenna leads to the terminals marked AM
ANT.
3. Fold the antenna so that it snaps into the base forming a
free-standing unit (see diagram).
4. Position the antenna for best reception. If desired, the anten-
na may be permanently mounted using screws through the
two holes in the base.
Microphone Connection
Connect a Lo-Z microphone to the 3-pin connector marked MIC
BAL on the rear panel. Be sure to observe correct polarity:
Pin 1 is GND, pins 2 & 3 are signal. A VOX circuit activates
the microphone.
Music Muting
Speaking into the microphone will automatically mute the aux or
tuner output. Muting can also be accomplished by shorting the
two terminals labeled AUX MUTE on the rear panel with a
microphone having a normally open push to talk switch.
Procedure To Change Aux Mute Activation
The unit may also be configured to operate with a microphone
having a normally closed switch by following the procedure
below:
Caution
The following procedure requires removal of protec-
tive covers, presenting an electrical shock hazard.
Do not perform this procedure unless you are quali-
fied to do so.
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