3
2
1
5
8
4
Figure 3: ETX90 Right Side
6
7
9
Q
S
1 Eyepiece
2 Red Dot Viewnder
3 Eyepiece Holder Thumbscrew
4 90° Eyepiece Holder
5 Optical Tube
6 Vertical Lock
7 Fork Arms
8 Focus Knob
9 Horizontal Lock
Computer Control Panel
ON/OFF Switch
Auxiliary (AUX) Port
Handbox (HBX) Port
Battery Connector (not shown, accessible
thru battery compartment door on top of
base housing)
LED
Base Housing
1&
Battery Compartment (not shown, accessible
thru battery compartment door on top of
base housing)
1*
AutoStar Suite DVD
1(
Right Ascension (R.A.) Setting Circle
ETX90 KEY FEATURES
13
R