4
error increases by 10%
IV.Instrument introduction
● Panel introduction
No.
Instruction
No.
Instruction
1
AC plug
2
AC indicator
3
Test terminal
（
E
、
G
、
L
）
4
LCD
5
Button
6
High voltage indicator
●Keys and function description
There are 5 buttons in total from left to right. The first one is the power-on button in the
shutdown state.
Button No. Instruction
1
Power on button, press to power on when off
1
、
2
、
3
、
4 Function keys
5
TEST key, press and hold for 1S to test, then press to stop.
(Invalid when entering the setting menu)
