Contemporary Research 232-FMA - Manual (Page 4)

Specifications
Physical
Size: 8.5" [216mm] wide x 1.75" [38mm] height (1RU) x 6.0" [153mm] deep
Weight: 1.25 lbs [0.57kg]
Enclosure: All aluminum with durable black powder coat paint
Mounting: Rack mounting for one or two units side-by-side optional (RK1, RK2)
Front Panel
Push Buttons: Preset up and down, Seek up and down, and Mute All A/V
Indicators: Red LED: Mute All A/V status
3 digit, 7 segment red LED display for frequency and stereo/mono mode
Rear Panel
Power In: 2.1mm coaxial jack (inside center conductor positive)
11.5 to 16.5 VDC, 12 VDC typical, 100 mA max (may be unregulated)
RS-232 Control: DB-9 male
User selectable 300 to 9600 (default) baud, 8 data bits, No parity, 1 stop bit
All standard ASCII keyboard character strings available from any terminal program
2 momentary closure inputs close to ground (pin 5) to select stored presets
Preset Up (Pin 4), Preset Down (Pin 9)
Antenna: F female antenna connector
87.7 to 108MHz automatic fine tuning to 1 KHz
+35dBmV maximum, -20dBmV minimum input level (DX Mode)
–20dBmV typical local mode attenuation (Local mode)
Video Output: RCA female, not implemented presently
Audio Outputs: Stereo RCA female, left and right channels
Unbalanced line level, 600 ohm impedance
40Hz to 14KHz response
3% maximum, <1% typical total harmonic distortion (THD)
24dB minimum, 28dB typical stereo channel separation
68dB typical signal to noise ratio
160mV RMS typical output level (or mute)
Includes
12 VDC Power Supply (North America shipments only)
Contemporary Research 4 232-FMA FM Stereo Tuner