Simrad GC80 Instruction Manual Page 72
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Simrad GC80/GC85 Compact Gyro Compass
64 20221511 / C
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:
................0-50 knots (GC80) / latitude (0° - +70°)
................0-70 knots (GC85) / latitude (0° - +70°)
Main power supply: .....................................................24V DC or
Option:............... 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: .........................................1
Number of NMEA connections:..................................................4
Repeater back-up circuits: ...................................................... 1+4
Pendulum function....................................................refer page 18
- SIMRAD GC80/85 1
- COMPACT 1
- Document revisions 2
- Document history 2
- About this manual 3
- Contents 5
- 20221511 / C vii 7
- 1 SYSTEM OVERVIEW 9
- 1.1 Introduction 10
- 1.2 Precaution in use 11
- 1.3 System components 12
- 1.4 Bearing repeaters 12
- 2 USER INTERFACE 13
- POWER Button 14
- Display 14
- GYRO Button 14
- EXT Button 14
- DISP Button 15
- SET Button 15
- ACK/ENT Button 15
- Arrow Buttons 15
- Alarm Indicator 15
- 8 20221511 / C 16
- 3 OPERATION 17
- Start-Up 18
- Turning the Gyro compass OFF 19
- 3.3 Adjusting dimming level 20
- 20221511 / C 22
- True bearing 23
- Latitude 23
- Speed error correction 24
- OPERATION 25
- 3.6 Pendulum function 26
- 3.7 Alarm messages 27
- Acknowledging an alarm 28
- 4 MAINTENANCE 29
- POWER button is turned 30
- Mechanical installation 31
- 20221511 / C 25 33
- 20221511 / C 27 35
- Parameter updates 36
- SET button, and then 37
- 4.8 Replacing the Fuses 38
- 20221511 / C 31 39
- Power Supply Unit (Option) 40
- 5 INSTALLATION 41
- 5.1 Unpacking and handling 42
- 5.2 Mechanical installation 42
- Control unit 43
- Power supply unit (Option) 45
- Master compass 46
- 5.3 Cabling 47
- 5.4 Grounding the units 48
- 5.5 Dip-switch settings 48
- Configuring the Control unit 49
- 20221511 / C 43 51
- 20221511 / C 45 53
- System Start-up 55
- Configuring the gyro system 56
- 20221511 / C 49 57
- ACK/ENT button 58
- ACK/ENT 58
- ACK/ENT button 59
- Adjusting True heading 60
- 20221511 / C 53 61
- 54 20221511 / C 62
- 6 ADVANCED SETTINGS 63
- 6.1 General 64
- 20221511 / C 57 65
- 58 20221511 / C 66
- ADVANCED SETTINGS 67
- 60 20221511 / C 68
- 62 20221511 / C 70
- 7 TECHNICAL SPECIFICATION 71
- 7.1 Accuracy 72
- 7.2 General specification 72
- 7.3 Input specification 73
- 7.4 Output specification 74
- 7.5 Physical Dimensions 75
- 7.6 Power 75
- GC80 Compact Control Unit 76
- GC80/85 Master Compass 76
- GC80 Compact Control unit 76
- 8 DRAWINGS 77
- 8.1 Drawings included 78
- DRAWINGS 79
- 72 20221511 / C 80
- 74 20221511 / C 82
- 76 20221511 / C 84
- 9 SPARE PART LIST 85
- 78 20221511 / C 86
- SPARE PART LIST 87
- 80 20221511 / C 88
- 10 TERMINAL LAYOUT 89
- 10.1 ITERM board 90
- TERMINAL LAYOUT 91
- 10.2 IOPT board 93
- 86 20221511 / C 94
- 11 DIP SWITCH SETTINGS 95
- 11.1 Compact control unit 96
- ICIF board 97
- 90 20221511 / C 98
- DIP SWITCH SETTINGS 99
- IOPT board 100
- 20221511 / C 93 101
- ITERM board 102
- ACTIONS 103
- 12.1 The alarm system 104
- 12.2 Acknowledging an alarm 105
- 12.3 Fault finding 106
- Inverter failure 107
- Zero cross failure 107
- System communication failure 108
- 20221511 / C 101 109
- Repeater failure 110
- 20221511 / C 103 111
- 104 20221511 / C 112
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