
Chapter 3 Function and Operation Instructions
3.1
Button description
image
name
Explanation
Up arrow
Main interface: Long press to turn on the
sound when the alarm status is on, long
press to eliminate the alarm sound when
an alarm occurs; short press on the menu
interface to select the setting item and
increase the value; short press on the
password interface to increase the value
Down arrow
Main interface: When the alarm state is
on, long press to turn off the sound menu
interface, short press down to select the
setting item, increase the value, short
press to decrease the value, and the
password interface
Left arrow
Short press to the left on the main
interface to switch the display interface of
different devicesShort press on the menu
interface to move the cursor to the left
Right direction
Short press to the right on the main
interface to switch the display interface of
different devicesShort press on the menu
interface to move the cursor to the right
Enter
Host interface: long press to open or close
data logging, short press to enter the
password interface;
Short press on the menu interface to
confirm the selection
return key
Short press on the menu interface to
return to the previous interface;
Any interface: Long press to return to the
main interface.
Bluetooth
printing (not yet
developed)
Long press to achieve one-key Bluetooth
printing
Power button
Power-off state: long press for 2S, the
device enters the power-on state;
Main interface status: long press 4S, the
device shuts down,