Denso Power Net Terminal BHT-7500 Especificações descarregar pdf (Página 285)

Chapter 14. Statement Reference

276

• If the BHT reads a bar code successfully, the indicator LED for reading confirma-

tion will illuminate in green. The BHT-5000/BHT-6000/BHT-6500/BHT-7000/BHT-

7500 may activate or deactivate the indicator LED. The BHT-6500/BHT-7000/

BHT-7500 may activate or deactivate the beeper and vibrator function.

• A bar code read will be decoded and then transferred to the barcode buffer. In the

BHT-3000, if the decoded data does not satisfy the reading conditions*, then the

reading confirmation LED will illuminate in red and no data will be transferred to

the barcode buffer.

(*The reading conditions include the number of digits, a check digit, the type of the

leading character, and start/stop characters.)

• Only a single bar code device file can be opened at a time. The total number of

files which can be opened at a time is 16 including data files and communications

device files.

• The BHT-6000/BHT-6500/BHT-7000/BHT-7500 cannot open the bar code device

file and the optical interface of the communications device file concurrently. If you

attempt to open them concurrently, a run-time error will occur. The BHT can open

the bar code device file and the direct-connect interface concurrently.

• The name of the bar code device file,

BAR, may be in lowercase.

OPEN "bar:" AS #10 CODE "A"

• Alphabet letters to be used for readmode, beepercontrol, LEDcontrol

and readcode may be in lowercase.

• Up to eight

readcodes can be specified.

• If you specify more than one condition to a same read code, all of them are valid.

The sample below makes the BHT read both of the 6- and 10-digit ITF codes.

OPEN "BAR:" AS #1 CODE "I:6","I:10"

OPEN "BAR:" AS #1 CODE "I:6,10"

(For the BHT-6500/BHT-

7000/BHT-7500)

■

readmode

The BHT supports four read modes--the momentary switching mode, the auto-

off mode, the alternate switching mode, and the continuous reading mode,

which can be selected by specifying M, F, A, and C to readmode, respectively.

Momentary switching mode (

OPEN "BAR:M" AS #7 CODE "A"

Only while you hold down the trigger switch

, the illumination LED (laser

source

) lights and the BHT can read a bar code.

In the BHT-3000/BHT-4000/BHT-5000/BHT-6000, even if the bar code device

file is closed, the illumination LED does not go off so long as the trigger

switch

is held down.

In the BHT-6500/BHT-7000/BHT-7500, if the bar code device file is closed

when the trigger switch

is held down, the illumination LED (laser source

)

will go off.

Until the entered bar code data is read out from the barcode buffer, pressing

the trigger switch

cannot turn on the illumination LED (laser source

) so that

the BHT cannot read the next bar code.

In the BHT-6000/BHT-6500/BHT-7000/BHT-7500, the trigger switch function is assigned to the

magic keys.

The BHT-6500/BHT-7500 uses a laser source.

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