Simrad GC80 Instruction Manual Page 65
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ADVANCED SETTINGS
20221511 / C 57
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6.3 The Extension menu overview
Main
Category
Sub
Category
Parameter/description
Default
value
Range
A-1
1.1.U Damping gain
Determines the damping (damping operation in north-
seeking motion = half cycle attenuation) and actually
represents a coefficient (ratio) to the standard value
stored in the software.
1.00 0.00 – 2.00
1.2.F Bearing servo gain
Determines the gain of the bearing servo loop where phi
Φ signal (deviation signal around rotor’s vertical axis)
is calculated, drives the azimuth step motor and has the
sensitive element follow to the gyro-sphere vertical axis
(around azimuth axis) rotation. Presents a coefficient
(ratio) to the standard value stored in software.
1.00 0.00 – 2.00
1.3.S Horizontal servo gain
Determines the gain of the horizontal servo loop where
theta θ signal (rotor tilting angle signal) is calculated,
drives the horizontal DST and has the sensitive element
follow to the gyro sphere tilting angle (rotor tilting
angle). Present a coefficient (ration) to the standard
value stored in software.
1.00 0.00 – 2.00
1.4.u Leveling servo gain
Leveling motion (sensitive element erection motion)
calculates X signal (equivalent inclination angle) which
is output from the sensitive element and relative
inclination angle signal from HRZC board, controls to
have the sensitive element keep horizontal. The value
determines this control loop gain. Presents a coefficient
(ratio) to the standard value stored in the software.
1.00 0.00 – 2.00
CHANGE /
CLEAR
PARA-
METER
VALUE
NEXT MAIN
CATEGORY
NEXT SUB
CATEGORY
MAIN
MENU
- 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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