DESK Type 150/250W MF/HF DSC, NBDP SYSTEM
SRG-150DN/250DN
FEATURES
● Compliant with ITU (ITU-R M.493-14, M.541-10), IMO and GMDSS standard.
● Improvement of sound quality, which applied with new conceptual SYNTHESIZE technology and noise-free realization.
● Implements a digital filter using DSP, eliminates external noise and noise generated by inside of the ship, significantly improves call quality.
● Compact size with simplified key and dial for the maximized and easy operations.
● Designed as one-unit DSC and W / K receiver built in the desktop of transceiver.
● Installed with 10.4-inch color LCD for easy message reading of NBDP TERMINAL.
● Each function and frequency are easy to read with the adoption of liquid crystal display.
● Available with quick scan function for the variation of transmission output, frequencies and channels by group or individually.
● Available MEMORY with 100 DSC transmitting messages (100 MEMORY FILE EDIT)
● Available MEMORY with 100 DSC receiving messages (Distress: 50 messages and Ordinary: 50 messages).
● Installed a built-in internal speaker (Optional external speaker available).
SPECIFICATION
▶ GENERAL
● Frequency range : TX : 1.6MHz ~ 27.5MHz, 10Hz STEP.
RX: 500kHz ~29.9999MHz, 10Hz STEP.
● TX/RX channel : ITU channel, 300 memory channels.
● Frequency deviation: Within ± 10Hz.
● Type of emission : J3E, F1B, J2B.
● Communication method : Simplex and Semi-duplex.
● Operating temperature, Humidity : -15˚C ~ +55˚C, 95%.
● Power supply : DC24V ± 15%.
● Current: SRG-150DN 2.0A at receiving, 15A at transmitting.
SRG-250DN 2.0A at receiving, 25A at transmitting.
▶ TRANSMITTER
● Type of emission and output : SRG-150DN J3E, J2B (150W).
SRG-250DN J3E, J2B (250W).
● Modulation system : Low power stage balanced modulation system.
● Occupied frequency bandwidth : J3E 3KHz, J2B within 0.5KHz.
● 2TONE distress signal: 1300Hz, 2100Hz.
▶ RECEIVER
● Receiving sensitivity : J3E, F1B, J2B 3μVS/N 20dB 250m/W.
● Intermediate frequency : 64.455MHz, 455KHz.
● Overall distortion and noise : More than 20dB.
● nput impedance : 50Ω.
▶ DSC WATCH KEEPING RECEIVER
● Frequency : 2187.5, 4207.5, 6312, 8414.5, 12577, 16804.5KHz.
● Type of emission : F1B.
● Frequency shift keying : 1700 ± 85Hz (Mark: 1615Hz, Space: 1785Hz).
● Data transfer speed : 100baud.
● Frequency tolerance : 10Hz.
▶ NBDP
● Protocol : CCIR Recommendations 625, 476-4, 490, 491, 492-3 and F130.
● Communication mode : ARQ (Automatic repeat request system).
CFEC (One direction ERROR correction: all broadcast).
SFEC (One direction ERROR correction: selective broadcast).
● Memory capacity : 16MB.
● Intermediate frequency : 1700Hz.
● Modulation speed : 100BAUD (ARQ, FEC MODE).
● Modulation system : AFSK.
● Frequency deviation : Within ± 0.5Hz.
▶ NBDP COMPONENTS
● NBDP TERMINAL (SN-100).
● PRINTER (JP-3750 & HP-283).
● KEY BOARD (SPR-8630).
DRAWING
CONFIGURATION
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