Specifications
9-1
9. SPECIFICATIONS
9.1
JHS-770S/780D Marine VHF Radiotelephone
●
General Specifications
Transmission frequency
Simplex/ semi-duplex:
155.000 - 163.500MHz
Duplex
(JHS-780D)
:
156.025 - 157.425MHz
Reception frequency
Simplex/ semi-duplex:
155.000 - 163.500MHz
Duplex
(JHS-780D)
:
160.625 - 162.025MHz
Number of channels
ITU/USA/Canada/IWW channels: Maximum 57 ch
Weather channels:
10ch
Private channels:
Maximum 200ch
Memory channels:
Maximum 10ch
Channel spacing
25kHz
Communication modes
Simplex , semi-duplex and duplex
(JHS-780D) /
press talk
Type of emission
Radiotelephone communications: F3E (G3E)
DSC/ATIS: F2B
(G2B)
Antenna impedance
50
Ω
unbalanced
Transmission/reception switching
interval
300 ms or less
Channel switching interval
5 sec or less
Interface IEC61162-1
(GPS/AME/RMS)
IEC61162-2 (AIS)
600
Ω
balanced (VDR), 600
Ω
unbalanced (Ext SP)
Main controls
DSC call transmission (sending and receiving), communication
channel settings, transmission power settings, squelch adjustment,
volume adjustment, screen adjustment
Power supply voltage
24VDC (21.6VDC - 31.2VDC)
Current consumption
25W transmission:
Maximum 8.0A
Reception: Maximum
5.0A
Operating temperature range
-15°C - +55°C (for full performance: 0°C - +40°C )
Storage temperature range
-15°C - +55°C
Humidity resistance
No abnormality after standing 4 hours in +40ºC, 93% RH
Vibration resistance (3 Axis)
5Hz – 12.5Hz:
Full amplitude 3.2mm
12.5Hz – 25Hz:
Full amplitude 0.8mm
25Hz – 50Hz:
Full amplitude 0.2mm
No abnormality after vibration for 15 minutes in each axis
No abnormality after testing resonance points for 30 minutes
Continuous operation (Phone)
No abnormality after operating continuously for 8 hours
Continuous operation (DSC, WKR)
No abnormality after operating continuously for 24 hours
Protection rating
IP22 equivalent (Controller panel)
Dimensions and mass
Transceiver unit
240(W)x290(H)x128(D) [excluding projections]
Approximately 6.3
kg
(NTE-770S) / 6.9
kg
(NTE-780D)
Controller unit
230(W)x142(H)x89(D) [excluding projections],
Approximately 1.3
kg
Summary of Contents for JHS-770S -
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Page 17: ...xi NKG 91 Printer DPU 414 Printer NVS 423R External Speaker ...
Page 30: ...Equipment Overview 1 6 5 AC DC Power supply NBD 865 Unit mm Weight Approx 6 1 kg ...
Page 38: ...Equipment Overview 1 14 ...
Page 128: ...Settings Registrations 5 16 ...
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Page 158: ...Options Operation 10 6 ...
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