iOptron CEM40 User Manual

3
Table of Contents
Table of Contents ............................................................................................................................................... 3
1. CEM40 Introduction ....................................................................................................................................... 5
2. CEM40G Overview ........................................................................................................................................ 6
2.1. Parts List .................................................................................................................................................. 6
2.2. Identification of Parts .............................................................................................................................. 7
2.3. CEM40 Mount Basic Cable Connection ................................................................................................. 7
2.3.1. Ports on Main Control Board ........................................................................................................... 7
2.3.2. Other Ports on a CEM40G Mount .................................................................................................... 8
2.3.3. Other Ports on a CEM40/CEM40EC Mount .................................................................................... 9
2.3.4. Other Ports on a CEM40-NUC/CEM40EC-NUC Mount .............................................................. 10
2.3.5. Pass-through Hole .......................................................................................................................... 11
2.4. Go2Nova
®
Hand Controller .................................................................................................................. 12
2.4.1. Key Description .............................................................................................................................. 12
2.4.2. The LCD Screen ............................................................................................................................. 13
2.4.3. Install and Check the Hand Controller Battery .............................................................................. 14
2.5. Bench Testing the Mount ...................................................................................................................... 14
3. CEM40 Mount Assembly ............................................................................................................................. 15
3.1. CEM40 Mount Assembly ...................................................................................................................... 15
4. CEM40 Operation ........................................................................................................................................ 23
4.1. Set Up the Mount and Perform Polar Alignment .................................................................................. 23
4.2. Go To a Celestial Object ....................................................................................................................... 23
4.3. Manual Operation of the Mount ............................................................................................................ 23
4.4. Star Identification Function ................................................................................................................... 23
4.5. Power-Down Memorization .................................................................................................................. 23
4.6. Turn Off the Mount ............................................................................................................................... 24
4.7. Put the Mount Back into the Package/Carrying Case ........................................................................... 24
5. Complete Functions of Go2Nova
®
Hand Controller .................................................................................... 25
5.1. Select and Slew ...................................................................................................................................... 25
5.1.1. Solar System ................................................................................................................................... 25
5.1.2. Deep Sky Objects ........................................................................................................................... 25
5.1.3. Stars ................................................................................................................................................ 25
5.1.4. Comets ............................................................................................................................................ 25
5.1.5. Asteroids ......................................................................................................................................... 25
5.1.6. Constellations ................................................................................................................................. 25
5.1.7. Custom Objects .............................................................................................................................. 26
5.1.8. Custom R.A. and DEC ................................................................................................................... 26
5.2. Sync to Target ........................................................................................................................................ 26
5.3. Alignment .............................................................................................................................................. 26
5.3.1. Position of Polaris/SigmaOct ......................................................................................................... 26
5.3.2. Polar Iterate Align .......................................................................................................................... 26
5.4. Settings .................................................................................................................................................. 26
5.4.1. Set Time and Site ............................................................................................................................ 26
5.4.2. Beep Settings .................................................................................................................................. 27
5.4.3. Display Settings .............................................................................................................................. 27
5.4.4. Set Guiding Rate ............................................................................................................................. 27
5.4.5. Set Tracking Rate ........................................................................................................................... 28
5.4.6. Set Parking Position ....................................................................................................................... 28
5.4.7. Meridian Treatment ........................................................................................................................ 28

iOptron CEM40 Specifications

General

Mount	Center-balanced Equatorial Mount (CEM)
Structure Material	All metal, CNC machined
Exterior finish	Anodized red/black
Level indicator	Level bubble
Dovetail saddle	8" Losmandy D & Vixen
Hand Controller	Go2Nova® HC, 212, 000 objects database, star recognition
Cable management	Yes
Tripod	LiteRoc 1.75" Stainless Steel(7kg), optional tri-pier
Max payload*	40 lb (18kg), exclude counterweight
Payload/Mount weight ratio	2.28:1
PEC	PPEC/Real time PEC
Tracking accuracy (PE)**	<±7.5 arcsec p-p (CEM40, CEM40G), or <0.3 arcsec RMS (CEM40EC)
Motor resolution	0.08 arc seconds
Slew speed	1×, 2×, 8×, 16×, 64×, 128×, 256×, 512×, MAX(~4.5°/sec)
Latitude adjustment range	0°~ 60° (special CW shaft mounting if <10° )
Azimuth adjustment range	± 6°
Operation temperature	-10°C ~ +40°C
Right Ascension worm wheel	Φ110mm, 216 teeth aluminum
Declination worm wheel	Φ110mm, 216 teeth aluminum
Counterweight shaft	Φ28X280 mm, Stainless Steel (1.2 kg)
Counterweight	11 lb (5 kg) X1
Motor drive	Precision stepper motor, 1.8º/128X micro-step
Meridian treatment	Stop (0-14° pass), auto flip
Power consumption	0.6A(Tracking), 0.9A(GOTO)
Power requirement	12V DC 5A
AC adapter	100V ~ 240V (included, indoor use only)
Polar Scope	Internal iPolarTM electronic polar scope
GPS	Yes
WIFI	External (optional)
Guiding scope/camera	Built in guiding scope and camera, iGuiderTM (CEM40G)
Autoguide port	ST-4
Communication port	USB Port (on mount)
PC computer control	Yes (ASCOM)
Warranty	Two year limited

Weight and Dimensions

Mount weight	17.4 lb (7.9kg)
Mount base size	Φ120 mm