HandHeld Entertainment SV Series Manual de usuario descargar pdf (Pagina 105)

Quick Check® SV Series User’s Guide 8 - 3

• Sync input recovery time: 12.5 milliseconds minimum

Outputs

Open Drain FET (Field Effect Transistor) – no internal pull-up resistor

External Pull-up Voltage: 0 - 30 Volts DC

Sink current: 100 milliamps maximum

Symbologies

• USS Code 128

• USS Code 39

• USS Code 93

• USS Codabar

• USS Interleaved 2 of 5

• UPC versions A and E (including 2 and 5 digit supplemental codes)

• EAN-13 and EAN-8 (including 2 and 5 digit supplemental codes)

Operation Modes

The SV Series is very flexible, with many programmable features, but basic

system operation can be broken down into three modes. Two modes include a

sync signal and one mode operates without a sync signal. These modes are

programmable via SV Command Language (Chapter 6) and Hand Held

Products’ ScanView software (Chapter 4).

Sync Mode – Moving Bar Codes

In this mode, a sync signal is used as an indicator to determine when an object

or label containing a bar code(s) has entered or exited the laser beam. Bar

codes are analyzed and ports activated, transmissions sent, etc. as the bar

codes pass through the beam. The SV unit is programmed for the number of bar

codes to expect during a sync period (see "Sync Inputs" on page 2-2); therefore

the SV unit can detect missing or undetectable bar codes.

A hardware input is the most common sync source for this mode.

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HandHeld Entertainment SV Series Manual de usuario Pagina 105