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IMAGETEAM™ 2020/4620 System Manual 8 - 1
8
Imaging Commands
The imager can be used as a digital camera for capturing, manipulating, and
transferring images.
Imaging Commands with their modifiers send imaging commands to the imager
on a single-use basis, and take effect for the next subsequent image capture.
Once that capture is complete, the imager reverts to its imaging default settings.
If you wish to change a default setting, you must use the serial default command
(see Imaging Default Commands on page 12-22). When the serial default
command is used, that selection becomes the new default setting for the imager.
Image Snap - IMGSNP
An image is taken whenever the trigger of the IT4620 is pressed, or when the
Image Snap (IMGSNP) command is processed. Image Snap is the command
processor for image capture, or taking a picture.
The image snap command has many different modifiers that can be used to
change the look of the image in memory. Modifiers always begin with numbers
and end with a letter (case insensitive). Any number of modifiers may be
appended to the IMGSNP command. For example, you can use the following
command to snap an image, increase the gain, and have the beeper sound once
the snap is complete:
IMGSNP2G1B
IMGSNP Modifiers
P - Imaging Style: Sets the Image Snap style.
0P Decoding Style. This is similar to the current format for decoding,
however, this processing allows a few frames to be taken until the
exposure parameters are met. Then the last frame is available for
further use.
1P Photo Style
(default).
This attempts to mimic a simple digital
camera, and results in a visually optimized image.
2P Manual Style. This is an advanced style, and should not normally
be used. It allows you the most freedom to set up the imager, and
has no auto-exposure.
B - Beeper: Causes a beep to sound after an image is snapped.
0B No beep
(default)
1B Sounds a beep when the image is captured, notifying the user that
the imager can be moved.
E - Exposure: This allows you to set the exposure time. Units are 127
microseconds. Exposure is used in Manual Style only.
(Default = 7874)
n
E Range: 0 - 7874