Furuno Navtex NX-700-A, Service Manual

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Appendix 1. Specifications
AP1-2
3. PRINTER SECTION
3.1 Printing system Line thermal head printing system
3.2 Printing paper Thermal paper (58 mm x 30 m)
3.3 Printing width 48 mm
3.4 Character format 24 x 12 dot
3.5 Dot pitch 8 dots/ mm
3.6 Number of characters 32 characters/line
3.7 Print speed Approx. 20 mm/sec.
4. ANTENNA UNIT
4.1 Antenna type NX-7H: H-field antenna
4.2 Output impedance 50 ohms
4.3 Power supply +7 VDC to +9 VDC (thru coax. cable)
5. INTERFACE
5.1 Input data IEC61162-1/2
GGA, GLL, RMC, ZDA, NRQ, NMK, ACK, GNS,
VHW, VTG, VBW
5.2 Output data NRX, ALR
5.3 Alarm Photo MOS Contact closure signal (max. 0.5 A, 50 V) for
SAR alert
6. POWER SUPPLY
+12 VDC to +24 VDC: 1.5 A to 0.8 A
7. ENVIRONMENTAL CONDITION
7.1 Ambient temperature
Antenna unit -25°C to +70°C
Receiver / Display unit -15°C to +55°C
7.2 Relative humidity 95 % at 40°C (without dew condensation)