Instruction manual

Introduction - General Description 1
The R.L. Drake FMC 1000 FM STEREO MODULATOR is
a high quality cable FM broadcast band modulator.
Synthesized operation permits setting the operating
frequency in 100 kHz increments from 88.1 to
107.9 MHz. The operating frequency and mode of
operation, Stereo or Mono, is programmable with front
panel buttons and is indicated on an LCD display. The
modulator accepts balanced or unbalanced line level
audio signals. Rear panel XLR connectors are provided
for left and right balanced audio inputs and RCA phono
connectors are provided for left and right unbalanced
audio inputs. A Ground Lift switch is also provided for
the XLR connectors. Full transmitter deviation with
monaural audio input is provided by programming the
unit for ‘MONO’ and connecting the audio signal input to
the appropriate Left Audio Input connector. A rear
panel Limiting/Compression switch permits setting no
limiting, limiting only, or limiting and compression
operation. A front panel Input Level control permits
adjusting the audio input level with LED (OVER)
MODULATION indicators. A front panel Monitor Output
connector is provided with separate monitor level
control. The unit is powered by a supplied external AC
line to 12 VDC power adapter. A rear panel Power
switch is also provided. The modulator can be rack
mounted in a standard 1 RU rack package.
TUNE
FMC 1000 FM STEREO MODULATOR
FREQUENCY
OVER MODULATION
LEFT
RIGHT
LEVEL
INPUT
MONITOR
MONITOR OUTPUT
107.9 MHz Stereo