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iOptron CEM40 User Manual

iOptron CEM40
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13
Help (?) Key: Identify and display bright stars or objects that the telescope is pointing to.
STOP/0 Key: Stop the mount during GOTO. Also toggling between starting and stopping tracking.
HBX (Handbox) port: connect the HC to the CEM40 mount using a 6P6C RJ11 cable.
2.4.2. The LCD Screen
The Go2Nova HC has a large 8-line, 21-character per line, LCD screen which displays information
on the status of the mount as shown in Figure 13.The user interface is simple and easy to operate.
Figure 13. Go2Nova HC LCD Information Screen
1. Target Name/Mount Position: displays the name of the target that telescope is currently pointed to or
the current mount position.
Zero Position: The reference position for GOTO. The mount can move to Zero Position using
Goto Zero Position or “Search Zero Position” command;
User Position: The mount is pointed to a user defined position, which could be a particular
celestial object or simply a position determined by pressing an arrow key;
An object name, such as “Mercury” or “Andromeda Galaxy”: Name of the star or celestial object
that the mount is currently slewing to or tracking.
2. Target R.A.: Right Ascension (R.A.) of the target object.
3. Target Declination: Declination (DEC) of the target object.
4. Right Ascension: Current R.A. of the telescope.
5. Declination: Current DEC of the telescope.
6. Altitude: Altitude of the telescope (degrees vertical from the local horizon - zenith is 90º).
7. Azimuth: Azimuth of the telescope (north is 0º, east is 90º, south is 180º, and west is 270º).
8. Local Date and Time: displays the local time in a format of YY-MM-DD HH:MM:SS.
9. Mount Status: Displays the current operational status of the mount.
Stop: mount is not moving;
Slew: mount is moving with an arrow key is pressed or a GOTO command, such as Select and
Slew or “Goto Zero Position”;
Tracking: mount is at a tracking status.
10. GPS status: When the power is turned on, the initial GPS status will be “GPS ON”, which means that
the mount is connected to its GPS receiver and is seeking a satellite signal. When the GPS receiver
finds the satellites and receives the GPS signal the status will change to “GPS OK”.

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iOptron CEM40 Specifications

General IconGeneral
MountCenter-balanced Equatorial Mount (CEM)
Structure MaterialAll metal, CNC machined
Exterior finishAnodized red/black
Level indicatorLevel bubble
Dovetail saddle8" Losmandy D & Vixen
Hand ControllerGo2Nova® HC, 212, 000 objects database, star recognition
Cable managementYes
TripodLiteRoc 1.75" Stainless Steel(7kg), optional tri-pier
Max payload*40 lb (18kg), exclude counterweight
Payload/Mount weight ratio2.28:1
PECPPEC/Real time PEC
Tracking accuracy (PE)**<±7.5 arcsec p-p (CEM40, CEM40G), or <0.3 arcsec RMS (CEM40EC)
Motor resolution0.08 arc seconds
Slew speed1×, 2×, 8×, 16×, 64×, 128×, 256×, 512×, MAX(~4.5°/sec)
Latitude adjustment range0°~ 60° (special CW shaft mounting if <10° )
Azimuth adjustment range± 6°
Operation temperature-10°C ~ +40°C
Right Ascension worm wheelΦ110mm, 216 teeth aluminum
Declination worm wheelΦ110mm, 216 teeth aluminum
Counterweight shaftΦ28X280 mm, Stainless Steel (1.2 kg)
Counterweight11 lb (5 kg) X1
Motor drivePrecision stepper motor, 1.8º/128X micro-step
Meridian treatmentStop (0-14° pass), auto flip
Power consumption0.6A(Tracking), 0.9A(GOTO)
Power requirement12V DC 5A
AC adapter100V ~ 240V (included, indoor use only)
Polar ScopeInternal iPolarTM electronic polar scope
GPSYes
WIFIExternal (optional)
Guiding scope/cameraBuilt in guiding scope and camera, iGuiderTM (CEM40G)
Autoguide portST-4
Communication portUSB Port (on mount)
PC computer controlYes (ASCOM)
WarrantyTwo year limited
Weight and Dimensions IconWeight and Dimensions
Mount weight17.4 lb (7.9kg)
Mount base sizeΦ120 mm

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