Equinox Systems GEMINI Manuel d'utilisateur Page 18
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Gemini Users Manual 13
2.3.3 QuickMenu
If you press and hold the MENU button for at least one second, a selection of useful
menu items such as Centering Speeds, Hand Controller Modes, and Telescope Park
commands scrolls through the display. The item that is displayed at the moment you
release the button is selected. Some QuickMenu items have submenus that will scroll
through the display. Pressing the MENU button again selects the current submenu item
being displayed. After a QuickMenu item is selected, Gemini returns to the Telescope
Control Mode.
2.3.4 Moving the Mount Manually
When you are in Telescope Control Mode, you can move the telescope with the buttons
on the Hand Controller. There are three basic movement speeds: Guiding Speed (0.2 to
0.8 of the tracking speed), Centering Speed (up to 255 times the tracking speed), and
Slewing Speed, which can be adjusted separately for manual slewing (with the Hand
Controller) and slews performed by a GoTo operation. Holding down a button causes the
telescope to move. Momentarily pushing down the opposite button while the telescope is
moving causes it to accelerate to the next higher movement speed.
The Hand Controller works in one of three modes: the Visual Mode, the Photo Mode and
the All Speeds Mode. You can move both axes simultaneously in all 3 modes. You select
the mode by means of the Setup→Hand Controller menu item. Like some other settings,
it is remembered permanently and will be in effect even after powering off and on again.
The Visual Mode
In visual mode, the Guiding Speed is not available. When you press a button, the
telescope moves at Centering Speed. Momentarily pushing the opposite button lets the
system accelerate to the manual slewing speed. If you are moving both axes, both will
speed up. Ramping up and down in speed occurs independently for both axes.
This mode is intended for visual observing and for looking up objects. The autoguider
port is not active in this mode.
The Photo Mode
In Photo Mode, Guiding Speed is the principal speed, so pressing a Hand Controller
directional button moves the telescope at the selected Guiding Speed; Slewing Speed is
not available. Acceleration to Centering Speed is available in four stages (to allow easy
centering of an object in the field of view or on a CCD chip) by pressing the opposite
button while Gemini is guiding:
Pressing the opposite button once changes to 1/8 of Centering Speed to allow fine
centering of the target. Then, after about 2 seconds, the speed will increase to ¼
- Users Manual 1
- Table of Contents 2
- 1 Introduction 6
- 1.2 Features 7
- 1.3 What’s New in Level 4? 10
- 2 Getting Started 13
- 2.2 Installation 14
- 2.2.3 Encoders 15
- 2.2.4 Power Requirements 16
- 2.3.1 Controls 16
- 2.3.3 QuickMenu 18
- 2.4 Basics of Operation 19
- 2.4.1.2 Startup Position 20
- 2.4.2 Power On and Setup 20
- 2.4.2.2 Completing Startup 23
- 2.4.2.3 Preferences 23
- 2.4.4 Normal Operation 27
- 2.5 Next Steps 28
- 3.1.2 Precession 30
- 3.2 How the Sky Moves 31
- 3.3 Tracking 31
- 3.3.1.1 Predefined Rates 32
- Training Comet Tracking 35
- Timer Values 35
- PC Controlled Tracking 36
- 3.3.2 Meridian Flip 37
- 3.3.3 RA Safety Limits 37
- 3.4 Polar Alignment 39
- 3.4.3 Accuracy Required 41
- 3.5 Mount Modeling 42
- 3.5.3 Modeling Parameters 44
- 4.2 Guiding 45
- 4.2.2 Manual Guiding 46
- 4.2.5 Software Guiding 47
- 4.3.2 The PEC Submenu 49
- 4.3.2.1 Train PEC 49
- 4.3.2.2 Clear Data 50
- 4.3.2.3 Turn PEC On/Off 50
- 4.3.2.4 Delay Correction 50
- 4.3.2.5 Drift Correction 51
- 4.3.2.6 Smooth Data 52
- 4.3.2.7 Average Data 52
- 4.4 Other Functions 53
- 5.1 Startup Mode Menu 54
- 5.2 The Main Menu 55
- 5.3 Subordinate Menu System 56
- 5.3.1.2 {Reset Alignment} 57
- 5.3.1.3 {Additional Align} 57
- 5.3.1.4 Synchronize 58
- 5.3.1.5 {Polar Al. Assist} 58
- 5.3.1.6 {Polar Axis Corr.} 58
- 5.3.2 Object Database 59
- 5.3.2.1 Database Use 59
- 5.3.2.2 Accuracy and Epochs 60
- 5.3.2.3 Credits 60
- 5.3.2.6 IC (Index Catalog) 61
- 5.3.6.1 RA/DEC Display 64
- 5.3.6.2 Enter RA/DEC 64
- 5.3.6.3 Az/El Display 64
- 5.3.6.4 Enter Az/El 65
- 5.3.6.5 Set Bookmark 65
- 5.3.6.6 {GoTo Bookmark #n} 65
- 5.3.7 Identify 65
- 5.3.8 Object Search 66
- 5.3.8.2 Wobble Object 67
- 5.3.9 Show Date/Time 67
- 5.3.9.2 Julian Date 67
- 5.3.10 Setup 68
- 5.3.10.1 Hand Controller 69
- 5.3.10.2 Mount Parameters 69
- 5.3.10.2.1 Tracking Speed 70
- 5.3.10.2.2 Moving Speeds 71
- 5.3.10.2.5 Mount Type 72
- 5.3.10.2.8 {Pointing Model} 75
- 5.3.10.3 Encoder 76
- 5.3.10.4 Alarm/Buzzer 76
- 5.3.10.5 UTC Date/Time 77
- 5.3.10.6 Credit Info 77
- 5.3.10.7 Restore Defaults 78
- 5.3.10.8 Dim Display 78
- 5.3.10.9 Geogr. Location 78
- 5.3.10.9.5 Store Site 79
- 5.3.10.9.6 Load Site 79
- 5.3.10.10 Communication 80
- 5.3.10.10.2 Sync or Align 80
- 5.4 QuickMenu 81
- 5.4.1 Focusing 82
- 5.4.4 Centering 82
- 5.4.5 Park Mount! 83
- 5.4.6 Meridian Flip 83
- 5.4.7 Exit w/o Change 83
- 6 Serial Communication 85
- 6.2 Hand Controller port 87
- 6.3 Serial Command Sets 88
- 6.5.1 Telescope Driver 90
- 6.5.3 Coordinate Epoch 90
- 6.6 Using Control Programs 91
- 7 Troubleshooting 92
- 7.2 Debug Mode 96
- 8 Appendices 97
- QuickMenu 101
- Cold Start Setup Menu 101
- *Reduced Menu 101
- 8.2 Catalogs 102
- 8.3 Alignment Star List 103
- 8.4 Serial Line Protocol 105
- • Right Ascension 112
- • Declination {+ 112
- • the object name (up to 10 112
- Gemini Native Commands 116
- 8.5 Serial Communications 129
- 8.6 Autoguider Port 130
- 8.7 Encoder Port 132
- Connecting End Switches 133
- 8.8 Feature Port 134
- 8.9 Motor Connector Pinouts 135
- RJ-45 Connector 135
- DIN Connector 135
- 8.10 Power Connector Pinout 136
- Power Connector 136
- 8.11 Upgrading the EPROM 137
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