8
TB MRI3-ITE(R) 12.00 E
3.3
Front plate
Figure 3.8: Front plate
MRI3-ITE
Figure 3.9: Front plate
MRI3-ITER
The LED RS,
ϑ
A
and
ϑ
T
yellow light up yellow (
MRI3-ITE
)
The LED RS, I
P
and I
Q
light up yellow (
MRI3-ITER
).
All other LEDs are two-coloured. LEDs left to the alpha-
numerical display light-up green during measuring and
red at alarm.
LEDs underneath the pushbutton <SELECT/RESET>
light-up green during setting and inquiry of the setting
values printed left to the LEDs. They light-up red when
the setting values printed at the right to the LEDs are
activated.
The LED labelled with the letters LR is alight while the
fault recorder is being adjusted.
