Simrad GC80 User Manual

Simrad GC80/GC85 Dual Gyro Compass
76 20221537 / D
7.1 Accuracy
Settling time:.......................................................... within 3 hours
(if startup heading is within +/-5° of actual heading)
Settle point error: ................................................... less than ±0.1º
RMS value of the difference:................................... less than 0.1º
Repeatability of settle point error: .........................less than ±0.1°
Roll and pitch error:............................................... less than ±0.4°
Static error: ............................................................ less than ±0.1°
Settle point error under general conditions:...........less than ±0.4°
Note! Accuracy at equator. For other latitudes, accuracy to be
multiplied by *(1/COS f), where f = Latitude.
7.2 General specification
Follow-up speed..............................................................> 75°/sec
Gimbal freedom ................................for both roll and pitch: ±45°
Range of speed correction:
GC80 ................... 0-50 knots / latitude (0° - +70°)
GC85 ................... 0-70 knots / latitude (0° - +70°)
Main power supply: .................. 100/110/115/200V AC, 50/60Hz
Power supply for alarm and back-up:.................... 24V DC, 70W
Voltage fluctuation: .......................................................AC ±10%
DC -20% - +30%
Frequency variation: .............................................................. ±5%
Power consumption:
Start:.....................................................within 140VA
Ordinary:................................................within 70VA
Repeater: ................................................within 17VA
Repeater type: .................................................. 24V DC – 6 step/°
Number of step repeater connections: .........................................4
Number of NMEA connections:................................................10
Repeater back-up circuits: .................................................... 4+10
Pendulum function....................................................refer page 24

Simrad GC80 Specifications

General

Type	Gyro Compass
Power Supply	24 V DC
Operating Temperature	-15°C to +55°C
Heading Resolution	0.01°
Heading Repeatability	±0.1°
IP Rating	IP66
Storage Temperature	+70°C
Interfaces	NMEA 0183
Humidity	95% non-condensing