Description
Furuno FM-8500 VHF Radiotelephone DSC GMDSS – RARE!
Works perfectly, fully tested with guarantee.
*****
GMDSS Compliant, 25 Watt DSC-VHF/FM Radiotelephone
Power Usage24 VDC
Power Output25 W
FM-8500 (FURUNO, Japan) is a marine VHF radiotelephone with build-in DSC. 54 international VHF channels, weather forecast, 55 programmed channels. Continuous DSC watch on CH70.
Automatic entry of own ship position with manual override. Compact design. Scanning of two channels or multi-channel scanning. Precision PLL frequency synthesizer for high frequency as required for DSC operation. All-in-one design including radiotelephone, DSC facility and watch keeping receiver. Fully meets ITU, IEC, ETSI, IMO for GMDSS and other related standards.
Compact cabinet for ease of installation. Output power 25 W, reducible to 1 W. Dual watch and multiple watch. Prevention of accidental distress alert. File editing for emergency readiness. Automatic entry of own ship position with manual override.
Has a type approval of RMRS. Is agreed with GMDSS requirements. Has a type approval of River Register. Has a type approval of DMT.
Technical specifications
Parameters, functionValues
VHF section:
Class of emissionG3E (voice), G2B (DSC)
Communication systemSimplex/Semi-duplex
Programmed channelsMain version: 55 channels (RR Apendix 18)
American version: Main version, USA channels, weather forecast channels
Scandinavian version: Main version
Fishing/Private channels
Power supply voltage24 V DC, +30%, -10%
Display24 characters x 2 lines, character 5×7 dots, backlit LCD
Transmitter:
Frequency range155.00 – 161.475 MHz
Output power25 W, reducible to1 W
American version: Channels 67, 13 – automatic limit up to 1 W, manual override FULL
Frequency stability1,5 kHz (from -20 to +55C)
Time-out timerDeactivates the transmitter after an interrupted transmission of more than 5 minutes
Receiver:
Frequency range155.00 – 166.075 MHz
Receiving systemDouble-conversion superheterodyne
IF21.4 MHz and 455 kHz
AF Output power3 W (build-in loud speaker)
2 mW (handset)
Audio Response De-emphasis6 dB/oct +1/-3 dB
Sensitivity5 dBV at SINAD 20 dB
Adjacent Channel Selectivity70 dB (from +15C to +35C)
DSC Section:
Distress call and MessageDistress call attempt is transmitted as five consecutive calls. It is repeated after a random delay of between 3.5 and 4.5 min from the beginning of initial call.
Message storage (Receive)50 distress messages plus 50 non-distress messages
Message storage (Transmit)50 non-distress plus 99 files containing station ID, telephone No.
InterfaceNavigational data: IEC61162
Printer: FURUNO MIF (with Interface box)
AlarmSound and visual
Receiver characteristics:
DSC frequencyCH 70
Calling sensitivitySymbol error rate 10-2, input -3 dBV
Watch keepingcontinuous watch on CH 70