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3
14.
key
4
5
By pressing this key for once, the backlight of the LCD screen will be opened and after 60 seconds the meter will automatically
turn off the backlight. It is also possible to turn off the backlight by pressing this key before the 60 seconds.
15. ENTER key
In sorting mode, press ENTER key to confirm the data modification.
16. Measurement terminal
The instrument has 4-terminal measurement configuration, as shown in figure 2.
10
Figure 2
INPUT
GUARD
Rx Lx Cx
L
L
H
CUR
POT
POT
GUARD
Grounding (shielding)
Excitation positive terminal
H
CUR
Measurement positive terminal
Measurement negative terminal
Excitation negative terminal
АМM-3320
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