APC ACPA4000 Benutzerhandbuch

The display interface provides access to the data and settings necessary to operate the equipment. Use 
the display interface to control data displayed, configure security features, and update and upgrade the 
firmware that controls the equipment. 

Note: The default password is APC. See “Password entry” on page 19 for information on how 
to enter the password.

1. Move the selector arrow to the password option and press the 

E

NTER

 

key.

2. Enter the current password to return to the password setup screen.
3. Press the 

E

NTER

 key to change the password and enter a new password string (up to eight 

characters).

4. Press the 

E

NTER

 key to confirm.

The time-out is the adjustable period allowed for changing settings. 

Once the time period has elapsed, the display interface returns to the scrolling status screens and you 
must enter the password again.

Use the Invalidate NOW option to override the password time-out and require 

password entry again.

The date is displayed on some status screens and is also used in the alarm/event log to 

date-stamp system events. Enter the day, month, and year and press the 

E

SC

 

key to exit the input mode.

The time is displayed on some status screens and is also used in the alarm/event log 

to time-stamp system events. Enter the correct time and press the 

E

NTER

 

key

.

Set the DST Adjust to On or Off. It automatically changes the clock 

settings on the appropriate dates to account for daylight saving time.

Adjust the visibility of the screen text. Lower numbered settings provide darker text and 

higher numbers provide lighter text. Settings range from 0–7.

Enable an audible tone every time a key is pressed on the display interface.

Adjust the volume of the alarm tone and key clicks for the audible tone that sounds 

every time a key is pressed on the display interface. Options are low, medium, high, and off.