Meade RCX400 Instruction Manual download pdf (Page 31)

Glossary Menu

The Glossary menu provides an alphabetical listing of definitions and descriptions for

common astronomical ter

ms and Autostar II functions. Access directly through the

Glossary menu or through hypertext words embedded in Autostar II. A

hypertext word

is an

y word in [

brac

kets

], usually f

ound when using the Autostar II Help function or

when reading a scrolling message such as a description of a planet or star. Press

ENTER whenever a hypertext word is on screen and Autostar II goes to the glossary

entry for that word.

o access directly from within the Glossary menu, use the Scroll keys to scroll through

the alphabet. Press ENTER on the desired letter. Scroll to the desired entry and then

press ENTER to read the description.

Utilities Menu

The Utilities menu provides access to several extra features within Autostar II, includ-

ing a countdown timer and an alarm. The Utilities functions include:

OTA Fan: Allows you to turn the fan off or on. The fan assists with the stabilization of

the optics. The fan should be activated at the beginning of an observing session and

run until the optics have achieved an equilibrium with the environment. Fan operation

time should range from about 5 to 25 minutes. Note that the fan may introduce a slight

vibration and this may cause noticeable movement observed with sensitive optics.

Dew Heater: Allow you to adjust heater level, setting from 0 to 100.

OTA Temperature: Provides a temperature reading at the edge of the corrector plate.

Ambient Temperature: Provides a temperature reading at the fork arm.

Timer: Selects a countdown timer. This feature is useful for functions such as

astrophotography and tracking satellites. To use the Timer, press ENTER, then

choose “Set” or “Start/Stop."

Set: Enter the time to be counted down, in hours, minutes, and seconds, then press

ENTER.

J Start/Stop: Activates the timer set previously. Use the Scroll keys to toggle between

ON and OFF. When ON is displayed, press ENTER to activate the timer. When the

timer runs out, four beeps sound and the timer is deactivated.

Alarm: Selects a time for an alarm signal to sound as a reminder. To use the Alarm,

press ENTER, then choose "Set" or "Start/Stop."

Set: Enter the time of day for the alarm to sound, in hours, minutes, and seconds,

then press ENTER.

J Star

t/Stop

Activ

ates the alar

m set pre

viously

Use the Scroll k

eys to toggle

between ON and OFF. When ON is displayed, press ENTER to activate the

alar

When the alar

m time arrives, Autostar II beeps. Press ENTER to deacti-

ate the alar

Eyepiece Calc: Calculates information about an eyepiece for the specific telescope

to which A

utostar II is connected.

J Field of View: Scroll through a list of available eyepieces. When an eyepiece is

selected, the field of vie

w is calculated.

J Ma

gnification:

Scroll through a list of a

ailab

le e

yepieces. When an eyepiece is

selected, the magnification is calculated.

J Sug

gest:

utostar II calculates and suggests the best eyepiece for viewing,

based on the telescope and the object being vie

ed.

Sun Warning: Enables or disables Autostar II’s Sun warning display.

Brightness Adj:

Adjusts the br

ightness of the displa

y using the Scroll keys. When com-

plete, press ENTER.

Contrast Adj: Adjusts the contr

ast of the displa

y using the Scroll k

ys. When complete,

press ENTER.

Tip:

The Contr

ast Adjustment

feature is usually only

required in very cold

weather.

If you adjust the contrast so

that you can no longer

read the display, turn off

the po

er and tur

n it on

again. When Version

appears on the display (the

initial displa

y screens are

not affected by the

Contrast control), press

MODE.

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Meade RCX400 Instruction Manual Page 31

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