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4. Operations

Batteries must be fresh and properly loaded before start operation.

4.1 Keypad operations

The 8300 Series Terminals have two keyboard layouts: 24 rubber keys and 39 rubber keys. The

functions of some special keys are as follows:

SCAN

ENTER

ESC

ALPHA / α

POWER

4.2 Application mode

This is the default operation mode when turning on the power. The operation depends on the

application module. Please refer to section 4.4.

Scan a barcode.

Press this button will trigger the scanner to read a barcode if the scanner port is

enabled.

Enter.

There are two enter keys on the side of the scan key. Normally the enter keys are

used for command execution or input confirmation.

Escape.

Usually this key is used to stop and exit current operation.

Back Space.

If this key is being pressed down longer than one second, a clear code will be

sent.

The toggle key for Alphabet / Numeral input.

When the system is in alpha-mode, a small icon will be shown on the display. For

the 24-key keyboard, each numeral key can be used to generate one of the three

capital letters. For example, numeral 2 can be used to produce A, B or C. Pressing

the same key twice within one second, will call the letter B. Pressing the same

key without halting longer than one second, will cause the three letters to be

shown in a circulating way. Only when stop pressing the key for longer than one

second or pressing another key, will the system send the real key code to the

application program.

The function key.

This key cannot be activated alone, it must be pressed with one numeral key at

the same time. For example, FN + 1 generates function #1, FN + 2 generates

function #2, etc (up to 9 functions). Also, this key can be combined with the

UP/DOWN arrow keys to adjust the contrast of the LCD. And when this key is

combined with the ENTER key, it will turn ON/OFF the backlight.

Power On/Off.

To prevent a faulty push, it needs about 1.5 sec continuous pressing to turn

On/Off the power.