Microscan MS-4X Manual de usuario descargar pdf (Pagina 117)

Chapter 6 Autocalibration

MS-880 Industrial Long Range Scanner User’s Manual 6-3

6–Autocalibration

Autocalibration Steps

Follow this procedure for all three methods of autocalibration:

1. Set your scan rate at the appropriate speed for your application.

2. Position your bar code symbol at the distance used in your application and confirm

that it is at a distance within the specifications for that symbol size (see “Position

Scanner and Symbol” on page 1-12).

3. If you are not certain of the code type, enable all code types by sending a <P>

command from the terminal window, or clicking on the Autodiscrimination but-

ton in Calibration/Advanced in ESP.

4. Start the autocalibration procedure.

Note: Once a successful autocalibration is completed, you may want to save

those setting to the calibration database (see Chapter 7, “Calibration Data-

base”).

5. Repeat autocalibration at other ranges and/or label types you might be scanning

in your application.

6. Check your readings at each

end of the scan width

required for your applica-

tion, keeping in mind that

the scan width testing may

not produce results that are

entirely symmetrical.

Note: If you are setting up

for Laser Framing (see

page 9-6), be sure that you

only test for autocalibration

in the active areas of the

scan beam.

7. To save the new settings

(including focus, gain, and

tracking) for power-up,

send a <Zp> command.

Note: To silence the beeper, send <K702,0> or remove or block the test label.

After autocalibration has passed, the scanner will beep once, automatically exit the

autocalibration routine and begin scanning for a label in Continuous Read mode,

beeping for each good read.

1. Note: If using an I 2 of 5 label, verify that the number of characters in the label being

scanned matches the code length enabled for the I 2 of 5 code type (default is 10 and 6). See

“Interleaved 2 of 5” on page 5-14.

Figure 6-2 Autocalibration Setup

1 2 ... 112 113 114 115 116 117 118 119 120 121 122 ... 311 312

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