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SECTION 4
OPERATION
32
4.2.2 UPC FRONT PANEL
8)
HELP
(KEY)
From any METER display, this key provides help on how to operate
the UPC.
9)
fn
(KEY)
Function Key - When pressed from any meter display the UPC will
enter SETUP MODE.
10)
NUMERIC KEYPAD
Is used to enter numeric values. The +/- key toggles the sign of a
numeric entry or toggles the value of other two-state parameters.
11)
CLEAR
(KEY)
The first key press shall clear an entry and allow new values to be
entered. A second key press shall backup the cursor one field. If
several key presses backup to the first field in a display, the next key
press shall abort edit functions and return to the V/I METER display.
12)
Va, Vb, Vc and F
(KEYs and LEDs)
From the V/I METER display, pressing any of these keys causes
MANUAL MODE to be active. When an LED is lit, this parameter is
selected.
From the V/I METER display, if the Va, Vb or Vc key is pressed that
LED toggles on or off and forces the F LED off.
From the V/I METER display, if the F key is pressed that LED toggles
on or off and forces Va, Vb and Vc LEDS off.
When in the V/I METER display and any of the Va, Vb, Vc or F LED(s)
are lit, pressing an ARROW key (
︿
or
﹀
) causes selected
parameters to slew.
When in the V/I METER display and any of the Va, Vb, Vc or F LED(s)
are lit; entering a number then pressing EXECUTE causes selected
parameters to change to new values.
13)
ENTER
(KEY)
Is used to enter numeric values then move the cursor to the next data
field.
14)
PROGRAM
(KEY)
When pressed from any meter display causes PROGRAM OPERATE
MODE to be active.
15)
EDIT
(KEY)
When pressed from the PROGRAM display causes PROGRAM EDIT
MODE to be active. Pressing the EDIT key again causes the
TRANSIENT display to be active.
16)
STORE
(KEY)
After editing, the STORE key is used to save new values.
17)
DISPLAY
(KEY)
Is used to cycle through the meter displays. If a display other than a
meter display is active it will abort edit functions and return to the V/I
METER display.