Meade Instruments ETX-LS Software Update Instructions User Manual
Page 19

ASU SOFTWARE UPDATE INSTRUCTIONS - LS TELESCOPE
www.meade.com
Page 19 of 20
Rev. 26-Oct-2009
1.6.6.2.1.
This calibration is highly recommended if the
Autostar Updater displayed the “Calibration
Images Missing” advisory during the software
update.
1.6.6.3.
To update the dark calibration, at any time of the day,
perform the following steps:
1.6.6.3.1.
Setup your LS telescope and power on.
1.6.6.3.2.
Using the handbox, go to
Select Item > Take Picture > Dark Calibration.
1.6.6.3.3.
Remove the Eclips Module camera cover.
1.6.6.3.4.
Press ENTER.
1.6.6.3.5.
The telescope will take two (2) quick camera
exposures of the surrounding environment (do not
cover the camera lens).
1.6.6.3.6.
Replace the Eclips Module camera cover over the
camera lens; no light should be visible to the
camera.
1.6.6.3.7.
Press ENTER.
1.6.6.3.8.
The telescope will display “Calculating…” and
process a longer (~15-second) exposure; ensure the
camera cover remains in place for this step.
1.6.6.3.9.
When finished, the telescope will return to the
Take Picture > Dark Calibration menu.
1.6.6.3.10. Press BACK two (2) times to return to the top
menu.
1.6.6.4.
The dark calibration will be saved in the telescope
until the next software update.