Eaton Electrical SC200 사용자 설명서
About the SM45 Front Panel
Copyright © 2005-2006 Eaton Corporation. All Rights Reserved.
IPN 997-00012-41D December 2006
5-3
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).
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:
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.)
changes are immediately visible.)
5
Press the
key to save the new value.
6
Press the
key to return to Main Display Mode.