Eaton Electrical SC200 manual About the SM45 Front Panel, To change the display contrast

About the SM45 Front Panel

The Audible Indicator

The SM45 has an onboard audible indicator.

The audible indicator informs you about pressing invalid keys and active alarms as follows:

•One beep every 2 seconds - indicates that a non-urgent alarm is active

•A continuous sound - indicates that an urgent alarm is active

An urgent alarm always overrides a non-urgent alarm.

►To disable the audible indicator (when an alarm is active)

• Press any key

At the next active alarm, the audible indicator is automatically enabled again.

Display Time-out

The SM45 has a display time-out function – that is, if no keys are pressed for a predetermined time interval, the SM45 reverts back to the default display (total rectifier current).

The predetermined time interval varies (according to the display mode you are in) as follows:

•Edit Mode – no time-out

•All other display modes – 2 minutes

Changing the Display Contrast

The display contrast can be adjusted from 0 (lowest contrast) to 63 (highest contrast).

►To change the display contrast

1 Press the key to enter Configuration Mode.

2 Press the key to scroll down to Display Contrast.

3 Press the key to enter Edit Mode.

4 Press either the or key to change the display contrast as appropriate. (Contrast changes are immediately visible.)

5 Press the key to save the new value.

6 Press the key to return to Main Display Mode.

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IPN 997-00012-41D December 2006