Casio DT-X7 Series Specifications download pdf (Page 46)

2.2.6. Expanded Features

Control on Laser Emission Width

If the laser emits on bar codes located near each other, scanning may fail. By narrowing the laser

beam emission width, scanning can be focused onto only one bar code, not onto the other one

located near by. The laser beam emission width can be set to one of the following four modes. The

Common Device Control Library can be used to set it. The default is “No control on laser beam

emission width”.

- No control on laser beam emission width

- Wide

- Normal

- Narrow

照射幅制御なし幅広幅中幅狭

No laser width control Wide Normal Narrow

照射幅制御なし幅広幅中幅狭

No laser width control Wide Normal Narrow

The setting values are stored in EEPROM, and read out at time of resetting. Laser calibration (see

note below) can be used to adjust each setting value for the laser beam emission width. The setting

values adjusted must be registered in the registry. The values in the registry will have the priority.

Note:

Each scanner module integrated in the terminal has an individual performance difference from

others. To minimize this difference, the laser calibration must be executed on each terminal using

a dedicated reference bar code.

Laser Focus

If scanning takes place with the laser beam emitted onto multiple bar codes located near each

other, it is difficult to distinguish by the user which bar code was scanned. In such the condition, if

a laser beam can be emitted focusing only one the user wishes to scan and a notification about

which bar code is scanned is issued to the user, the scanning can be succeeded without having any

difficulty. The Common Device Control Library can be used to set “Enable” or “Disable” for this

laser focus function. The default is “Disable the laser focus function”.

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Casio DT-X7 Series Specifications Page 46