Telescope Features - Meade ETX-90AT Astro Instruction Manual

TELESCOPE FEATURES

18
17
16
(on left
fork arm)
15
14
13
11
Fig. 1: The ETX-90AT Telescope.
1 Eyepiece
2 Viewfinder
3 Holder Thumbscrew
4 90° Eyepiece Holder
5 Optical Tube
6 Vertical Lock
7 Fork Arms
8 Focus Knob
9 Horizontal Lock
10 Computer Control Panel
A. ON/OFF Switch
B. Auxiliary Ports (2)
C. Handbox Port
D. 12v
E. LED
6
1 2
11 Base Housing
12 Battery Compartment
(bottom of base)
13 Right Ascension (R.A.)/
Horizontal Setting Circle
14 Flip-Mirror Control Knobs
15 Photo Port
16 Declination (Dec.)/Vertical
Setting Circle
17 Viewfinder Alignment Screws
18 Viewfinder Alignment Bracket
19 Dust Cap
Features of the ETX-90AT, ETX-105AT,
3 4 5
and ETX-125AT are identical, with the
exception of the size of optical tube
and the type of viewfinder.
E
B C
Fig. 2 (Inset): Computer Control Panel. (A) On/Off switch; (B)
Auxiliary ports; (C) Handbox port; (D) 12v connector; (E)
Power indicator light.
19
6
7
8
9
10
12
D A
B