Bar Code Calibration Setting - Casio DT-940 Service Manual

5. BAR CODE CALIBRATION SETTING

5.1 ABOUT THE CALIBRATION SETTING
Since DT-930/DT-940
of swing angle setting).
The setting has already done in the factory. Perform the setting only when LASER ASSY or MAIN PCB is
replaced.
Setting procedure is as follows.
(1) Read a calibration setting bar code and memorize the calibration value in FROM.
(2) Confirm that laser swing amplitude varies in accordance with bar codes.
5.2 OPERATION
1 Turn the unit on while pressing down [S] and [ • ] keys.
SYSTEM MENU appears.
2 Press [2] key to select SET MODE.
3 Press [9] key to select CALIBRATION.
• It is not shown on the menu.
• Confirm that the green LED lights.
4 Press down TRIGGER or [L] keys for more than one second to start
calibration setting.
Note: When reading a bar code, short time of key depression may
cause an error. Press keys for more than one second.
• Apply a laser beam on calibration setting bar code printed on the
User's Guide.
• Touch the nose of Handheld Terminal on the center of the bar code
and match laser beam and both end's guide lines).
Note: Correct bar code must be used in accordance with the reading window.
employs swing angle controlling, it is necessary to set bar code calibration (criterion
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2 . S E T M O D E
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