iOptron CEM40 User Manual

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Appendix F. iGuider for CEM40G
CEM40G has a built-in iOptron iGuider
TM
guiding system. It includes a 30mm diameter and 120mm
focal length guiding scope and a Windows based driverless guiding camera.
1. Focus adjuster locking screw (2mm hex), 2.Focus adjuster, 3.Lens cover
The iGuider only support ASCOM guiding (no ST-4 connection). Please install iGuider
ASCOM driver from iOptron website. PHD2 guiding software also has the camera included.
1. Connect iGuider to a PC
The iGuider guiding system is connected internally to the mount main USB port.
CEM40G is connected to the USB2.0 port on the rear end of mount RA axle.
Connect the mount to a PC via a USB cable. Check your PC device list via Device
Manager. You should see an iOptron iGuider under the Camera.
2. Setup PHD2 Guiding
Download freeware PHD2 autoguiding software from
https://openphdguiding.org/downloads/. Please select V2.6.7 or later version.

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