DEIMOS user script level

Name

level_check -- acquire a quick DEIMOS image to check exposure levels

Purpose

Snaps an image only a few rows in height without disk write,
centered on the direct readout window

Usage

level_check [n_lines [ttime] ]

Arguments

n_lines = number of CCD lines to read out [default=100; min=10]
ttime = exposure time [default = 1 sec]

Output

Transcript to STDOUT

Restrictions

None

Exit values

0 = normal completion
1 = wrong number of arguments

Example

1) Acquire a 1 sec image reading out 100 rows:
level_check

2) Acquire a 1 sec image reading out 10 rows:
level_check 10

3) Acquire a 10-sec image reading out 50 rows:
level_check 50 10