If you have an autoguider which has the same pin-out as the ST-I from SBIG, such as Meade/
Losmandy/ Takahashi/ Vixen, make sure a proper guiding cable is used. Refer to your guiding
camera and guiding software for detailed operation.
WARNING: DO NOT plug your ST-4 guiding camera cable into the iOptron port or HBX port. It may
damage the mount or guiding camera electronics.
5.4.5. Set Tracking Rate
You can set up the mount tracking rate
by selecting “
Set Tracking Rate
”.
Then the user can select
“
Sidereal Rate
”, “
Lunar Rate
”, “
Solar Rate
”, “
King Rate
”, and “
Custom Rate
”.
The “
Custom Rate
” can be adjusted from 0.9900X to 1.0100X of sidereal.
The “
King Rate
”, developed by Edward S. King, corrects the tracking rate of a telescope to account for
atmospheric refraction. This is more useful for unguided tracking.
5.4.6. Set Parking Position
You may park the telescope before powering off the mount. This is very useful if the mount is on a
permanent pier or the mount will not be moved in between observation sessions. The mount will keep all the
alignment info and reference points.
There are six parking positions. Two positions that park the scope horizontally (
Horizon Position
). Two
positions that park the scope vertically (
Zenith Position
).
“
Current Position
” will park the scope at its
current position. Alternatively,
you can enter any altitude and azimuth combination for “
Custom Parking
Pos
.”. When the mount is turned on, it will use the last parking position setting as the default setting.
5.4.7. Meridian Treatment
This function tells the mount what to do when it tracks past the meridian. You can tell the mount if it needs a
meridian flip and when to do it.
“
Set Position Limit
” will tell the mount when to stop tracking or to do a meridian flip. The limit can
be set at from 0° to 20° (>1 hour) pass meridian.
“
Set Behavior
” will tell the mount if a meridian flip will be performed.
5.4.8. Set Altitude Limit
This function allows the mount to keep tracking an object even if it is below the horizon but can still be seen,
for example from an elevated observation site, such as a hill. The range can be set from -89° to +89°. The
default limit is 00°.
Be careful when setting this limit.
It may cause mount goto problems.
5.4.9. Polar Scope Bright.
Reserved.
5.4.10. HC Heating Switch
Turn on/off the controller LCD back heater. When
“
Heating ON
” is selected, the heater will be automatically
turned on when the ambient temperature reaches 0°C (32°F) and shut off at 10°C.
Set Up Time and Site
Beep Settings
Display Settings
Set Guiding Rates
Set Tracking Rate
Set Parking Position
Meridian Treatment
Set Altitude Limit
