Nexstar SynScan Utility Functions, S e t u p Functions, Using the User Defined Database, Enter

Utility Functions

Utility Functions are useful tools that provide simple, one-step processes to your SynScanTM:

Show Position - This displays the coordinates of the location where the telescope is currently pointed.

Display Time - This displays the local time and local Sidereal time. Park Scope - This moves the telescope to the Home position.

Inquire Version - This submenu displays the hardware, firmware, and database version of the SynScanTMhand control. Ifthe hand control is connected to the mount, this menu will also display the firmware version of motor control board. Use the scroll keys to view the version numbers.

PEC Training - See section Periodic Error Correction for information.

LCDlLED Tuning - This submenu allows adjustments of the following: the brightness of the LCD backlit, the darkness of the LCD lettering, and the brightness of the LED backlit of the keys. Use the scroll keys to select the desired tunning. Press the RIGHT or LEFT directional key to increase or decrease value.

S e t u p Functions

The Setup functions allow you to change any system variable or information regarding location, time, date, and alignment configurations. To access the Setup Functions, either press SETUP key on the key pad or scroll to SETUP under menu option using the scroll keys. Below lists the different types of functions available to you, and their purposes.

Date -Allows you to change the date entered at the initial setup. Time -Allows you to change the current time.

Observing site -Allows you to change the current location.

Daylight Savings -Allows you to change the Daylight Savings option. Alignment -Allows you to perform the star alignment.

Set Backlash - This feature allows you to insert a value for each axis to compensate for its backlash. For better pointing accuracy, it is important that the backlash value is set to be equal or greater than the real amount of backlash between the gears. The default setting of the backlash is 10' 00" (10 arcmin. and 0 arcsec.). Use the numeric keys to enter the desired value and press the RIGHT directional key to move the cursor to the next digit. First set the value for R.A. Press ENTER to proceed to Dec.

Set Tracking	Sid. Rate: This activates tracking in Sidereal rate (R.A. Tracking).
	Lunar Rate: This activates tracking in Lunar rate (R.A. Tracking).

1Solar Rate: This activates tracking in Solar rate (R.A. Tracking).

PEC + Sidereal Rate: Sidereal rate with Periodic Error Compensation-.

Stop Tracking: This stops the tracking instantly.

Auto Guide Speed - When using an autoguider, this sets the guiding speed to I X , 0.75X, 0.5X, 0.25X, or 0.125X sidereal rate.

Using the User Defined Database

SynScanl" allows you to save up to 25 objects in the user defined database.

Saving an object to the database

1.In the Main Menu, use the scroll keys to scroll down the list until you find Object Catalog. Press ENTER.

2.Select User Defined in the Object Catalog scroll list and press

ENTER.

The User Defined menu can also be accessed by pressing the quick reference hot key "USER" (number 9) Fig I