Meade EXT90 Instruction Manual page 16

followed, batteries may explode, catch fire, or leak.
Improperly installed batteries void your Meade
warranty. Always remove the batteries if they are
not to be used for a long period of time.
1*
AutoStar Suite DVD.
1(
Right Ascension (R.A.) Setting Circle: See page 53
for detailed information.
2)
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. 4,
20 light is diverted to the eyepiece. With the flip-mirror
control in the "down" position light proceeds straight
out the photo port for photography.
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.
2!
Photo Port: Attach any 35mm camera with a
removable lens to this port using an optional #64 T-
Adapter or attach the #932 Erecting Prism for correctly
oriented images through the eyepiece. See OPTIONAL
ACCESSORIES, page 19.
2@
Declination (Dec.) Setting Circle (on left fork arm):
See page 53 for detailed information.
2#
Viewfinder Alignment Screws: Adjust these screws
to align the viewfinder. See pages 8 and 14 for more
information.
2$
Dust Cap: Squeeze the two tabs on the sides of
the dust cap to unlatch the cover from the front lens of
the telescope.
2%
Bubble Level/Compass: Used to aide in setting the
telescope in the Home Position. See page 9. When
placed in the 90° eyepiece holder (pg. 13, Fig. 3, 4)
the bubble level compass can be used to level the
telescope and determine the direction of magnetic
North.
.
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