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Pressing the RATE key (11) allows you to instantly change the speed rate of the motors from
high speed slew rate to precise guiding rate or anywhere in between. Each rate corresponds
to a number on the hand controller key pad. The number 9 is the fastest rate (3º per second,
depending on power source) and is used for slewing between objects and locating alignment
stars. The number 1 on the hand control is the slowest rate (.5x sidereal) and can be used for
accurate centering of objects in the eyepiece and photographic guiding. To change the speed
rate of the motors:
•
Press the RATE key on the hand control. The LCD will display the current
speed rate.
•
Press the number on the hand control that corresponds to the desired
speed. The number will appear in the upper-right corner of the LCD
display to indicate that the rate has been changed.
The hand control has a "double button" feature that allows you to instantly speed up the
motors without having to choose a speed rate. To use this feature, simply press the arrow
button that corresponds to the direction that you want to move the telescope. While holding
that button down, press the opposite directional button. This will increase the slew rate to the
maximum slew rate.
The direction that a star moves in the eyepiece when a direction is pressed will change
depending on which side of the Meridian the telescope tube is positioned. In order to change
the direction of the arrow buttons, see Scope Setup Features later in this section.
1 = .5x
6 = 64x
2 = 1x (sidereal)
7 = .5º / sec
3 = 4x
8 = 2º / sec
4 = 8x
9 = 3º / sec
5 = 16x
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The Advanced GT contains many user defined setup functions designed to give the user
control over the telescope's many advanced features. All of the setup and utility features can
be accessed by pressing the MENU key and scrolling through the options:
Tracking Mode
This allows you to change the way the telescope tracks depending on
the type of mount being used to support the telescope. The telescope
has three different tracking modes:
Nine available slew speeds