Motorola SYMBOL MS320X Spezifikationen PDF herunterladen (Seite 106)

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7 - 12 DS457 Fixed Mount Imager Integration Guide

Fixed Gain

Parameter # F1h 38h

This parameter only applies when Decoding or Image Capture Autoexposure is disabled. Gain is a means of

amplifying the raw image data before it is converted into 8-bit grayscale values. Increasing the fixed gain

increases brightness and contrast, but also increases noise (undesired electrical fluctuations in the image)

which makes the image less attractive and/or harder to decode.

To set the fixed gain, scan the bar code below followed by 3 bar codes from Appendix D, Numeric Bar Codes,

in the range of 1 to 100, representing the value. The default is 50.

Exposure Time

Parameter # F4h F1h 37h

This parameter only applies when Decoding or Image Capture Autoexposure is disabled. It configures the

exposure for both Decode and Snapshot modes.

Each integer value represents 100 μs worth of exposure. The default value is 100 which results in an exposure

setting of 10 ms.

To set the Exposure Time parameter, scan Fixed Exposure followed by four numeric bar codes representing

the value in the range of 1 - 1000. Insert leading zeros if necessary. For example, to set a Fixed Exposure

value of

9.9 ms, scan 0, 0, 9, 9. See Appendix D, Numeric Bar Codes for numeric bar codes.

Fixed Gain

Exposure Time

(4 digits)

1 2 ... 101 102 103 104 105 106 107 108 109 110 111 ... 427 428

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