Keyence BL-N70 Series Manual de usuario descargar pdf (Pagina 22)

3-2

Scanning Barcodes

3-1 Scanning

The laser turns on when the trigger switch on the BL-N70 is pressed. While holding the

trigger switch, bring the BL-N70 scanner towards the barcode to a distance that complies

with the reading range characteristics on page A-3. Ensure that the entire code fits within

the scan line.

z Trigger modes

There are three modes that can be used when pressing the trigger switch. Choose the

most appropriate mode for the situation ( page 3-4).

• Trigger switch mode – Laser OFF until trigger is depressed. Barcodes scanned only

while trigger is depressed

• Continuous emission mode – Laser always ON. Barcodes scanned only while trigger is

depressed

• Continuous reading mode – Laser always ON. Barcodes always scanned. No trigger

required.

z Data Send Format

Read data is sent to the connected computer or other device.

• For the format of the sent data, see page 3-5.

• For information about the communication protocols when using BL-N70RE/RKE, see

page 3-7.

Note

•

Only shine the laser light on one barcode at a time. To enter two or more barcodes,

read each barcode separately one after the other.

• Do not shine the laser light on the barcode label at an angle. The reader may not

be able to read the barcode.

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Keyence BL-N70 Series Manual de usuario Pagina 22