CHPA
S
ERIES
B-2
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Table B-1. Front Panel Button Description
Button Name
Button Function
0–9
Press these buttons for numerical data entry.
.(decimal point)
Press this button to enter a decimal point. This button is also used in conjunction with
the SPECIAL button when entering Quick Access Codes (see SPECIAL button in this
table).
LCL/RMT
Press this button to toggle between the following HPA control points:
LOCAL—Front Panel
REMOTE—Remote Panel
CIF—Computer Interface
STANDBY
Press this button to initiate a Standby request.
TRANSMIT
Press this button to initiate a Transmit request.
MENU
Press this button to scroll through available menu categories.
FUNCTION
When the symbol appears next to a menu category, press this button to toggle through
available entries.
CANCEL
Press this button to clear fault messages and exit the Fault state once the fault source
has been eliminated. This button is also used to clear the contents of the Fault Log.
Also used to stop the Recycled Fault LED from flashing.
SPECIAL
If the symbol appears next to an entry, press this button to scroll through valid entries.
If the symbol appears next to an entry, press this button to scroll through valid entries.
Press this button, then the decimal point button, to enter Quick Access Codes.
ENTER
Press this button to enter numerical data (excluding Quick Access Codes).
Line 3
Press this button to scroll display Line 3 through the available meters.
Press this button while in any menu category to return to the current meter display.
Line 4
Press this button to scroll display Line 4 through the available meters.
Press this button while in any menu category to return to the current meter display.
B.3 LEDs
Six LEDs are located below the alphanumeric display and indicate unit states and other
important information. The LEDs appear in Table B-2 in the order they appear on the front
panel from left to right.