BENNING IT 115
Device description
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3 Device description
3.1 Front panel
Figure 3
.
1: Front panel
Caption:
1
LCD
Matrix display with 128 x 64 pixels and background lighting
2
UP
Modifies selected parameters
3
DOWN
4
TEST
Start of measurement
PE contact electrode for protective conductor connection
5
ESC
Back / cancel
6
TAB
Selects parameters in the measuring function selected
7
Backlight,
Contrast
Modifies background lighting and contrast
8
ON / OFF
Switches the tester on or off;
automatic switch-off ("APO") after 15 minutes without
pressing a key
9
HELP
Help function with connection diagrams
10
Function selector switch
Rotary switch for selecting the measuring functions and
"SETTINGS" mode
11
CAL
For calibrating the test cables in the R LOW and
CONTINUITY function
Starts the Z
REF
measurement in the sub-function ΔU
voltage drop
12
Green / red LED
PASS / FAIL indication of the measuring results