DeckMode
The behavior of the deck-axis while tracking a source.
track
- Maintain the deck angle equal to
the parallactic angle of the
source + the current deck-angle
tracking offset.
zero
- Set the deck angle equal to the
current deck-angle tracking
offset.
offset
command. This is refered to above as "track
"
mode.
offset
command. This is refered to as "zero
"
because it involves tracking zero deck angle plus an optional
tracking offset.