Falcon 4M Camera Manual
03-032-20044-03
Teledyne DALSA
36
3.4.3 Setting the Exposure Time
Pu rp ose:
Sets the camera‘s exposure time in µs.
Syntax:
set
f
Syntax Elem ents:
f
Floating p oint nu m ber in µs. Allow able range is 10-999989 µs.
The follow ing table lists allow able increm ents.
N otes:
Cam era m u st be op erating in exp osu re m od e 2 or m od e 6.
To retrieve the cu rrent exp osu re tim e, u se the com m and
gcp
.
If you enter an exp osu re tim e ou tsid e of a valid range, the inp u t
w ill not be accep ted . Refer to the help screen (
h
com m and ) for
the valid range.
If you enter an exp osu re tim e w hich overlap s w ith the fram e
read ou t, the exp osu re tim e w ill au tom atically ad ju st to integral
u nits of exp osu re tim e increm ents (only in
sem 2
). The cam era
ad ju sts the exp osu re w ithou t w arning . Refer to Allow able
Exp osu re Tim e Increm ents.
Changing the exp osu re tim e w ill au tom atically ad ju st the fram e
rate if necessary (only for
sem 2
). The cam era send s a w arning
w hen this occu rs.
Related Com m and s:
sem
,
ssf
,
clm
Exam p le:
set 5500
Allowable Exposure Time Increments
Camera Link Mode
(
clm
command)
Allowable Exposure Time Increments
15
or
16
18.513 µs (80/ 65 MH z
cam era link strobe)
1 µs
w hen exp osu re tim e overlap s
fram e read ou t
w hen exp osu re tim e
does not
overlap fram e read ou t
2
or
3
37.038 µs (80 MH z
cam era link strobe)
45.638 µs (65 MH z
cam era link strobe)
1 µs
w hen exp osu re tim e overlap s
fram e read ou t
w hen exp osu re tim e
does
not
overlap fram e read ou t
Note:
Althou gh you m u st be op erating the cam era in exp osu re m od e 2 or m od e 6 in ord er
to u se the set exp osu re tim e (
set
) com m and , the allow able exp osu re tim e increm ents
listed above also ap p ly to exp osu re m od e 4 (Sm art EXSYN C) or 6 w hen exp osu re tim e