Starlight Xpress SXV-AO unit User Manual
Page 12
Handbook for the Starlight Xpress AO unit
Issue 1 21/8/2005
The command list for parallel mode
Please note that negative logic is used for all commands – an ‘active’ input is pulled
down to the ground (0v) rail. The directions of movement are based on an inverted image
and with the AO unit arranged with its North-South axis at 90 degrees to the Declination
axis.
Guiding functions
East North South West
Function
0
0
0
0
Find Centre /
Switch from
serial to parallel
mode
1
1
1
0
AO West
1
1
0
1
AO South
1
0
1
1
AO North
0
1
1
1
AO East
0
0
0
1
Mount West
0
0
1
0
Mount South
0
1
0
0
Mount North
1
0
0
0
Mount East
0
0
1
1
Force low
motor speed
1
1
0
0
Enter set up
mode
Set up mode functions
1
1
1
0
West motor
forward
1
1
0
1
South motor
forward
1
0
1
1
North motor
forward
0
1
1
1
East motor
forward
1
0
1
0
West motor
back
1
0
0
1
South motor
back
0
1
1
0
North motor