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µ Computer Control Panel
A. ON/OFF Switch - Turns the Computer Control Panel and Electronic Controller ON or OFF.
Note: Always remove the batteries if they are not to be used for a long period of time.
B. Auxiliary (AUX) Ports (2) -
Provide connection for current and future Meade accessories,
such as the Meade “AstroFinder Software with #505 Cable Connector Kit,” which allows you to
control your ETX from a PC. See OPTIONAL ACCESSORIES, page 20.
C. Handbox (HBX) Port - Plug the Electronic Controller or the optional #497 Autostar
handbox into this port.
D. 12v: The 12v connector is designed to accept an external power supply such as the
optional #541 AC Adapter or the #607 Power Cord (see OPTIONAL ACCESSORIES, page
20). When one of the external power supply options is used, the internal batteries are
disconnected from the power circuit.
E. LED - The red power indicator light illuminates when power is supplied to the connected
handbox and to the telescope’s motor drive.
¸ Base Housing - Supports the telescope for placement on a flat, level surface, such as a tabletop or
optional tripod. See OPTIONAL ACCESSORIES, page 20.
¹ Holes for Optional Tripod - See your tripod’s instruction sheet for mounting information.
Ƹ Right Ascension (R.A.) Setting Circle - See page 28 for detailed information.
ƹ Flip-Mirror and Flip-Mirror Control Knobs - ETX telescopes include an internal mirror. With the flip-
mirror control in the “up” position, as shown in Fig. 2a, light is diverted to the eyepiece. With the flip-
mirror control in the “down” position, as shown in Fig. 2b, light proceeds straight out the photo port for
photography. See PHOTOGRAPHY, page 18.
Note: The flip-mirror control is in the “up” position when the control is vertical (perpendicular
to the telescope tube). To place the flip-mirror in the “down” position, turn the control until it is
horizontal.
ƺ Photo Port - Attach any 35mm camera with a removable lens to this port using an optional #64ST T-
Adapter or attach the #932 Erecting Prism for correctly oriented images through the eyepiece. See
OPTIONAL ACCESSORIES, page 20.
ƻ Declination (Dec.) Setting Circle (on left fork arm) - See page 28 for detailed information.
Ƽ Viewfinder Alignment Screws -Adjust these screws to align the viewfinder. See pages 9 through 11
for more information.
ƽ Viewfinder Alignment Bracket -Attach the viewfinder to this bracket. See pages 9 through 11 for
more information.
ƾ Dust Cap - Unthread the dust cap counterclockwise from the front lens of the telescope.
Note: The dust cap should be replaced after each observing session and the power turned off
to the telescope. Verify that any dew that might have collected during the observing session
has evaporated prior to replacing the dust cap. Do not overtighten.
ƿ Battery Compartment (not shown, underneath base) - Install eight user-supplied AA batteries in this
compartment. See page 9 for more information.
Fig. 2a: Flip mirror
control in the “up”
position.
Fig. 2b: Flip mirror
control in the “down”
position.