
Gemini Users Manual 112
Id
Get
Parameters
Set Parameters Get Return Values
Description and
Remarks
product of worm
gear ratio, spur gear
ratio and motor
encoder resolution
define the step size
per encoder tick.
Gemini L4 supports
step sizes from 0.1
arcsec/tick to 2.5
arcsec/tick.
Combinations
exceeding this range
are not allowed.
22 {+-}80..720 {+-}80..720
DEC worm gear
ratio. The sign
indicates the
direction. See note
for command 21.
23 20..150 20..150
RA spur gear ratio.
See notes for
commands 21 and
27.
24 20..150 20..150
DEC spur gear ratio.
See note for
command 21.
25 100..2048 100..2048
RA motor encoder
resolution. See
notes for commands
21 and 27.
26 100..2048 100..2048
DEC motor encoder
resolution. See note
for command 21.
27 2000..25600
Number of RA steps
for one worm
revolution (since is a
product of spur ratio
and motor encoder
ratio, this command
can only be used for
reading out the
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