Meade DS-2090 Instruction Manual page 5

7b
D
F
7a. Attach the 90° diagonal prism (refractor models
only, see inside front cover): Pull out to remove
the plastic dust cover from the eyepiece holder
(A). Slide the tube of the diagonal prism (B) into
the telescope's eyepiece-holder and tighten the
thumbscrews (C) to a firm feel only to secure.
7b. Insert the eyepiece: Remove the supplied
25mm or 26mm eyepiece (D) from its container
and place it in the diagonal prism (refractor mod-
els only; see Fig. 7a) or directly into the eyepiece
holder (reflector models only; see Fig. 7b).
Tighten the thumbscrews (F) to a firm feel only.
Remove the dust cover from the end of optical
tube assembly. Use the focus knobs (E) to bring
objects into focus.
8
Insert batteries: Open the battery compartment
8.
by lifting the cover and pulling it away from the
drive base.
Remove the battery holder from the compartment
and carefully lift the 9v connector out from the
compartment. Whenever you replace the batter-
ies, to safeguard the wires, disconnect the 9v
connector (G) from the battery holder before
removing the batteries.
. Insert eight AA-size batteries into the battery
holder, oriented as shown on the diagram on the
battery slots of the battery holder. Connect the 9v
connector plug to the battery holder. Carefully
replace the battery holder back into the battery
compartment. Replace the cover.
E
G
5
9
I
H
9. Connect Autostar: Be certain that the power
switch (H) on the computer control panel is in the
OFF position. Plug the coil cord of the Autostar
Controller into the HBX port (I). Turn on the com-
puter panel; the red LED lights when power is
supplied to the panel.
10
Slew Speed:
Fast
.
.
.
Medium
.
.
.
Slow
10. Change Speeds: Press the key prompted by
Autostar to accept the Sun warning. You can now
use the Arrow keys (J) to move the telescope up,
down, right, or left. To change one of the tele-
scope's nine slew speeds, briefly press the
SPEED/? key (K). Each press decreases the slew
speed down one level, and then will cycle back to
the fastest speed.
11
11. Sight along the tube: Sight along the side of the
telescope's main tube to locate an object. Practice
using the Autostar Arrow keys to center an object
in the telescope's field of view.
If you wish to attach the red dot viewfinder, see
page 12.
If you wish to initialize Autostar, see page 16.
If you wish to align the telescope, go to page 17.
If you wish to use Autostar to GO TO Saturn, go
to page 19.
J
K