15
MAIN DISPLAY DATA :
Show main message, for example
FM 103.30
AM 1710
SLEEP 90
CHANNEL DISPLAY DATA :
Show the message of PRESET CHANNEL, for example
12
22
...
Software Programming Procedure
1. To start-up T-R680RS, the control system should be send
“Power On” command (start working command), then the T-
R680RS is Under-control.
2. When T-R680RS press on the Power Key to Power Off, T-
R680RS will send out the Code: 0x81 + 0x73 + 0x4c + 0x40
3. When T-R680RS press on the Power Key to Power On, T-
R680RS will send out the Code: 0x81 + 0x73 + 0x4b + 0x3f
4. When T-R680RS Display Window is changed, T-R680RS will
send out the Code: Head + Tx Type + Main Display Dat +
Channel Display Data + Checksum
Specifications
FM Tuner Section
(Without notes 98 MHz, 65 dBf)
Tuning Range. . . . . . . 87.5 MHz - 108.0 MHz (100 kHz steps)
Usable Sensitivity (IHF) . . . . . . . . . . . . . . . . . . Mono: 11.2 dBf
50 dB Quieting Sensitivity . . . . . . . . . . . . . . . . . Mono: 15 dBf
Stereo: 20 dBf
Total Harmonic Distortion (1 kHz) . . . . . . . . . . . . Mono: 0.4%
Stereo: 0.5%
Frequency Response . . . . . . . . . . 30 Hz - 15 kHz, +1/ –1.5 dB
Stereo Separation (1 kHz) . . . . . . . . . . . . . . . . . . . . . . . 40 dB
Signal-to-Noise Ratio . . . . . . . . . . . . . . . . . . . . . Mono: 72 dB
Stereo: 70 dB
AM Tuner Section
Tuning Range . . . . . . . . . 530 kHz - 1,720 kHz (10 kHz steps)
Usable Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 dB/m
Total Harmonic Distortion . . . . . . . . . . . . . . 0.8% at 85 dB/m
Signal-to-Noise Ratio . . . . . . . . . . . . . . . . . . 45 dB at 85 dB/m
General
Power requirements . . . . . . . . . . . . . 120/230 V AC, 50-60 Hz
Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 W
Dimensions (W x H x D) . . . . . . . . . . . . . 435 x 102 x 270 mm
(17 1/8” x 4” x 10 5/8”)
Weight (net) . . . . . . . . . . . . . . . . . . . . . . . 4.0 kg (8 13/16 lbs)
Standard Accessories:
AM Loop Antenna x 1
FM T-type Antenna x 1
Matching Transformer x 1
Remote Control Unit (RC-789) x 1
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Design and specifications are subject to change without
notice.
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Illustrations may differ slightly from production models.