CLR (Clear)
The <CLR> key press is used to exit from a Main Menu Function option or to abort an incomplete keypad entry. In
most cases, the current display will clear and will back up one level. Multiple <CLR> key presses will continue to
back up until the top level is reached. The top level will display the “SYSTEM IS NORMAL” followed by time and
date,” or the total number of abnormal conditions.
NET/- (Network/Hyphen)
The NET function of the <NET/-> key is used to address other network nodes when the 4100 is used as a network
node; the hyphen (-) function of the key is used to set limits/boundaries for card address, point numbers, and
subpoint numbers during keypad entries.
DEL (Delete)
The <DEL> key acts as a delete key during keypad inputs. It inserts a blank space in the current location and backs
up one position.
VIEWING POWER SUPPLY/CHARGER VOLTAGE AND CURRENT READINGS
To view power supply voltage and current readings, perform the following procedure.
1 .Press the <MENU> key on the DISPLAY/ACTION keypad. Then press the <NEXT> key six times.
l
The alphanumeric display reads:
Press <NEXT> or <PREVIOUS> to scroll
Display Card Status?
2. Press the <ENTER> key on the ENTRY keypad. Then press the <NEXT> key once (or until the display
reads:)
I
CARD n, POWER SUPPLY/CHARGER
CARD STATUS
NORMAL
I
NOTE: “n” = Card number
3. Press the <ENTER> key. Then, using the <NEXT> or <PREVIOUS> key to scroll, check voltage/current
readings on the Power Supply/Charger card.
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