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4. Using Guide
4.1 Basis function
4.1.1 Power on/off/standby mode
Long press the power button for 5 seconds, the machine starts up, the screen
lights up and the machine enters normal mode automatically.
When the machine is on, press the power button to turn the machine into
standby mode and the screen is off. Press the power button again to end
standby and run the machine.
Long press the power button for 5 seconds when the machine is on and the
machine is shut down.
4.1.2 Mode switching function
Press the mode switch button to switch between normal mode and OCR mode.
The icon in the lower left corner with the horn logo is OCR mode, and the one
without horn is normal mode.
4.1.3 Zoom in and zoom out function
The zoom in and out knob controls the size of the camera's collection area.
Clockwise rotation makes the image smaller, while counterclockwise rotation
makes the image larger.
4.1.4 Interface functions
Headset: connected headset can listen to text and paragraphs identified by
OCR.
HDMI: use the HDMI cable to connect to the external display screen to view the