Go2Nova 8408 Hand Controller Function - iOptron SkyGuider 3550A Instruction Manual

3.4.1.3. Check the Battery
The hand controller has a real time clock (RTC) to keep date and time display correctly after
you set the Time Zone and Daylight Saving Time. If the time is incorrect, please check the
battery inside the hand controller and replace it if needed. The battery is a 3V, CR1220
button battery.
®
3.4.2. Go2Nova 8408 Hand Controller Function
3.4.2.1. Polar Star Position
Press MENU button to bring the hand controller submenu, select Polar Star Position.
Polar Star Position
Settings
Tracking Photography
Firmware Information
This function displays the position of the Pole Star for Quick Polar Alignment using the
® TM
iOptron AccuAlign
while in the Southern Hemisphere the position of Sigma Octantis is shown.
For example, on June 22, 2014, 20:19:42 in Boston, US (alt N42º30'32" and long W71º08'50"),
UTC -300 minutes, DST:Y, the Polaris Position is 0h45.8m and 40.4m,.as shown in Figure 29a.
Look through the polar scope to find the Polaris. Using Azimuth Adjustment Knob and Latitude
Adjustment Knob to adjust the mount in altitude and azimuth directions and put the Polaris in the
same position on the Polar Scope Dial as indicated on the HC LCD. In this case, the Polaris will be
located at a radius of 40.4' and an angle of 0 hour 45.8 minute, as shown in Figure 29b.
Figure 29. Polaris Position shown on HC (a) and where to put on polar scope dial (b)
NOTE: If you are located in southern hemisphere, Sigma Octantis will be chosen for Polar
Alignment. For example, on May 20, 2010, 20:00:00 in Sydney, Australia (Lat S33º51'36" and
Long E151º12'40"), 600 min ahead of UT, the Sigma Octantis Position is 1hr21.8m and 64.4m.
3.4.2.2. Settings
This submenu sets the parameters for hand controller as well as the SkyGuider
polar scope. In the Northern Hemisphere the position of Polaris is displayed,
(a) (b)
21
TM
Pro mount.