GroundTest
M71
EN – 6
4. WORKING INSTRUCTIONS
4.1. INSTRUMENT
DESCRIPTION
CAPTION:
1. Inputs
2. Display
3.
ON/OFF
key
4.
CAL
key
5. Switch of test mode
6.
AUTO
key
7.
GO
key
Fig. 1: Instrument's front panel
4.2.
FUNCTION KEYS DESCRIPTION
ON/OFF
Key to switch on and off the instrument.
CAL
key to effect zero setting of cables under modes EARTH-2W e EARTH-
3W.
AUTO
key to start/stop the mode detecting critical measuring conditions (high
electric noise) with automatic updating of measuring time.
GO
key to start measurement.
Switch to select measuring mode.