Instructions

GMC-I Messtechnik GmbH 7
3.4 Key and Significance of the LEDs
Significance of the LEDs
LED lights up red:
Switch closed
LED lights up green: Switch open
LED Test
The LEDs must light up green in all switch
positions except for R
ISO, ZL-P and ZL-N.
Repeat the LED test after each test run.
LED 1
LED 2
LED 3
LED 4
LED 5
LED 7
LED 11
LED 9
LED 10
LED 6
LED 8
PROFITESTREMOTE Initial Start-Up