For observers in the Southern Hemisphere:
1. Rotate the altitude axis of the mount until the scale reads your local latitude.
2. Turn the power off, then on again.
3. Move the altitude axis of the mount until the scale
reads 0°.
4. Press the buttons marked “2/b” and “3/c” at the same
time to record your latitude setting.
Tip: When rotating the altitude axis using the motor
drive, always finish your movement using the UP
key, setting the scale to 0, and setting the scale to
show your latitude. This will help eliminate errors
caused by mechanical backlash in the gears.
Note: Setting the latitude is only necessary the first time
you set up the mount. If you travel more than 75
miles due north or south, your latitude will change
by approximately 1° and you should perform the
procedure again.
USINg The VIRTUOSO fOR TeRReSTRIAL VIeWINg
When the Virtuoso is powered up, the mount will automatically default to astronomical tracking mode.
For terrestrial use, you will need to turn off astronomical tracking by pressing the “1/a” and “2/b” buttons
simultaneously.
The mount can now be moved manually to any terrestrial target by either loosening the altitude and azimuth
clutches or by using the motor drive.
PReSeT POSITIONS
The Virtuoso mount can store up to six preset terrestrial positions, allowing you to repeatedly return to these
targets whenever you want to see them.
To save a preset position, point the mount to a location of interest manually or by using the motor drive,
then press the “SET” button plus one of the six position buttons marked “a” through “f” simultaneously.
The current position is now saved in memory.
Tip: To ensure the greatest accuracy when saving your preset position, it is important that you
finish centering your target by using the “up” and “right” direction buttons last. This will assure
that you remove any mechanical backlash in the gears.
To move the mount back to any one of the saved preset positions, press the “GO” button and one of the six
position buttons marked “a” through “f” that corresponds to the position you want to observe.
Note: The preset positions are not permanently saved in memory. They are automatically deleted
when the power to the mount is turned off or the batteries are removed.
.:. Figure 6 - Latitude scale
P.5
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