Structure
diagram
A
Pressure input port (+)
C
Selection key
Mode setting/
D
Confirmation
key
E
Lock key
Power on/off/
F
Backlight key
G
TYPE-C interface
I
LCD display screen
J
Record key
A
C
D
E
F
G
B
Press to choose units;
Press to view data
Long press to enter setting mode,
settings units; Press to confirm
selection
Press to enable / Disable data lock
Long press 3 seconds to power on/off;
Press to turn on/off backlight;
Double-press to activate the light
H
Press to enter recording mode;
Press again to start recording;
Long press 2 seconds to enter
view mode/Exit view mode
3
H
B
I
J
K
Pressure input port (-)
Illumination Light