Autronica BS-420 - Adjusting the Display Contrast

Panel Overview
Operator's Handbook, AutroSafe Interactive Fire Detection System, Release 4, 116-P-ASAFE-OPERATE/FGB Rev.G, 2016-02-19,
Autronica Fire and Security AS
Page 16
2.6 Adjusting the Display Contrast
The display contrast can be adjusted (applies to operator panels
BS-420 / BS-430).
 To increase the contrast, press and hold down the More Events
button, while pressing the red Silence Alarms button (or Next
Window button) .
 To decrease the contrast, press and hold down the More Events
button, while pressing the green Reset System button.
More Events Button
Front Push Buttons