EvoControl Ventilation Touch Display
Models: A100 G3, A110T G3-G4, A170T G2, A200S, A230T, A250S, A390T, A400S, A590T, A600S/T, A900ST G3, A1, A2, M1, M2, R20, R25, R40, R50, R70
7.1.5 Button lock
500 - 508, 520 - 521 Button lock
Buttons can be locked via parameters. When locked, the button turns grey and a padlock symbol lights up and the button has no function.
If parameter 520 (Timer) is locked, settings can be displayed but not changed.
If parameter 521 (Alarm) is locked, the alarms are displayed but not acknowledged and cleared.