SONAPHONE
®
E
Operating Manual – Revision: 2.4 | 2020-11-17
Page 42 of 66
Auto Light Off
The Auto Light Off function allows the display background lighting to be
switched off automatically after a set length of time. Times between 0 and
2 minutes can be set in 30 second increments by turning the rotary knob.
Press function key F1 to return to the previous menu and F3 return to the
test mode.
Contrast
In order to adjust the readability of the display to the particular conditions
it may be necessary to adjust individually the contrast. This can be done
in the contrast menu by turning the rotary knob. The changes take effect
immediately on the screen.
Language
The menu prompts on the SONAPHONE E can be either in German or in
English. This is set in the language menu by turning the rotary knob.
Press function key F1 to return to the previous menu and F3 to return to
the test mode.