W25DR RECEIVER
FRONT PANEL
POWER Push-Button Switch: Applies power from the
external power converter or other well-filtered 13.5 Vdc
(200 mA) sources to the receiver circuitry. An adjacent
POWER LED Indicator remains on while power is ap-
plied. (NOTE:
With the power converter connected to a
115 Vac, 60 Hz source, 13.5 Vdc is always present at the
power converter output.)
AUDIO LEVEL Display: This 10-LED bar display in-
dicates the relative system modulation. Normal opera-
tion is shown by illumination of the green portion of the
display, with occasional excursions into the yellow. If
frequent or constant yellow or red indications are
observed, the transmitter MICROPHONE LEVEL control
should be lowered (counterclockwise), or the GAIN
switch set to the Lo position. The display is calibrated in
volume units (VU).
RF SIGNAL LEVEL Display: This 10-LED bar display in-
dicates the relative RF level received from the transmit-
ter. Red indicates an insufficient signal level; yellow in-
6
