Cabletron Systems NBR-420 사용자 설명서

Alarm messages pertain to events that occur within the NBR. The 
messages that can be displayed are shown in this section.

There are two ways to gain access and display the Alarm messages:

From the product name display
Press and hold the DISPLAY button for 3 seconds while the product 
name is displayed. When the button is released, the display steps to the 
saved Alarm messages. Thereafter, each time you press the DISPLAY 
button, the next message is displayed.

From a Static System message display
Press and hold the DISPLAY button for 3 seconds while a Static 
System message is displayed. When the button is released, the display 
steps to the Alarm messages described. Thereafter, each time you 
press the DISPLAY button, the next message is displayed.

There are two ways to exit the Alarm messages:

Automatic 20-second exit
Allow 20 seconds to elapse after the last DISPLAY button operation. 
The display returns to the product name.

Jump to Saved System messages
Press and hold the DISPLAY button for 3 seconds. When released, the 
display steps to the Saved System message described in Section 4.3.4.

Whether you are displaying Static System messages, Alarm 
messages, or Saved System messages, the display returns to 
the product name display 20 seconds after the last operation of 
the DISPLAY button.