Endress+Hauser Proline t-mass 65F - Page 20

7 Group USER INTERFACE Device Functions Proline t-mass 65
20 Endress+Hauser
BACKLIGHT Use this function to optimize the backlight to suit local operating conditions.
User input:
0 to 100%
! Note!
Entering the value “0” means that the backlight is “switched off”. The display then no
longer emits any light, i.e. the display texts can no longer be read in the dark.
Factory setting:
50%
TEST DISPLAY Use this function to test the operability of the local display and its pixels.
Options:
OFF
ON
Factory setting:
OFF
Test sequence:
1. Start the test by selecting ON.
2. All pixels of the main line and additional line are darkened for minimum 0.75 second.
3. Main line and additional line show an “8” in each field for minimum 0.75 second.
4. Main line and additional line show a “0” in each field for minimum 0.75 second.
5. Main line and additional line show nothing (blank display) for minimum 0.75 second.
6. When the test completes the local display returns to its initial state and the setting
changes to OFF.
Function description USER INTERFACE