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1.
Charging and system indicator
The indicator is displayed in red during charging and green when the
charging is complete and the system runs properly. The indicator blinks in
green when the power is insufficient.
2.
Scanning indicator
The indicator is displayed in red when a barcode is scanned successfully.
3.
Power button
The power button can be used to power on/off the device or switch the
device into sleep or wake-up mode.
4.
Headphone jack
The headphone jack can be inserted with a 3.5 mm headphone.
5.
Touch screen
The touch screen enables you to perform operations by using a stylus.
6.
USB and charging interface
The USB and charging interface can connect to a USB data line to
transmit and receive data or a power adapter to charge the device.
7.
Reset hole
You can use a stylus to click the reset hole to reset the device.
8.
Master keyboard
For details about the master keyboard, see “Master Keyboard
Introduction”.