3
Figure 1
(1) Switch: This switch is the power switch. Press I to turn on, and O to turn off.
(2) Display: 800×480 dot matrix liquid crystal display, display menu and measurement
results.
(3) Printer: Print test results.
2.The rear panel of the instrument is shown in Figure 2.
Figure 2
（
1
）
：
The grounding pole is used for the grounding of the instrument shell
and is a protective ground.
（
2
）
Power supply: 220V alternating current input port, power supply to the whole
machine, power supply specification AC220V±10%
，
50Hz
。
（
3
）
I1+
、
I1-
：
large current output terminals.
（
4
）
I2+
、
I2-
：
<15mA current output terminal
（
5
）
V
１
+
、
V
１
-
：
Channel 1 voltage input terminals.
（
6
）
V
２
+
、
V
２
-
：
Channel 2 voltage input terminal, <15mA voltage input terminal
A
、
Turn on the power switch, the boot interface is as follows
：
