Digital Selective Call (Dsc); Narrow Band Direct Printing (Nbdp) - Samyung ENC SRG-150DN Instruction Manual

1) Control items: MF / HF Transceiver, DSC, WATCH-KEEPING Receiver, selection of
transmitting and receiving frequencies
2) DISTRESS: 2187.5, 4207.5, 6312, 8414.5, 12577, 16804.5kHz sending alarm signal
3) Others: DISPLAY unit, remote interface, NBDP terminal, ATU BOX, ALARM BOX,
HAND MIC, DIMMER, etc.
4) MAIN PROCESSOR: ADSTARD16MF512, ATMEGA64L
5) EEPROM: 24LC256
6) Display: 5 inch color LCD (800 * 480)
7) INTERFACE
RS-232 INTERFACE: 1 CHANNEL equipment (NBDP)
RS-232 INTERFACE: 1 CHANNEL equipment (GPS)

DIGITAL SELECTIVE CALL (DSC)

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1) PROTOCOL: CCIR Recommendations 493-3 and 541-2
2) EMISSION: F1B 100BAUD
3) Modulator: Output frequency 1700Hz ± 85Hz, Output LEVEL Max. + 10dBm
4) Demodulator: Input frequency 1700Hz ± 85Hz, Input LEVEL -20dBm ~ + 5dBm
5) Processor: 10-unit ERROR detecting code shown in Code CCIR Recommendation 493-3
• CLOCK transmitting method: correction
• CLOCK frequency: 14,000kHz
• CLOCK stability: within ± 5 x 10
6) DSC Memory function
• Distress reception: 50
• Ordinary reception: 50
• Transmitting messages: 100

3-7 NARROW BAND DIRECT PRINTING (NBDP)

1) PROTOCOL: CCIR Recommendations 625, 476-4, 490, 491, 492-3 and CCIR
Recommendations F130
2) Calling MODE: Individual and group call, 5-digit and 9-digit SELECT CALL number
3) Operating MODE: ARQ (Automatic repeat request)
18
(600 ohm unbalanced / balanced)
(600 ohm unbalanced / balanced)
.
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