NF FRA5087, Instruction Manual

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3.1 Panel descriptions
FRA5087 3-5

Display control key
SCREEN ACTIVE
DISPLAY
・
SCREEN : The FRA5087 has six (6) classes of display screens, one of which can be displayed
by using this key. The selected screen is indicated by a blue-colored screen tag
number at the left of the graph displayed screen. The selected tag number
moves up and down with
and keys, and the corresponding screen is
displayed.
・
ACTIVE
:
The FRA5087 has a capability of displaying two (2) graphs at the same time on one
screen, by splitting the screen into two (upper and lower parts). The key is used
to alternatively select an active graph. The graph surrounded by blue border is
active and will be rewritten when a measurement is made. In addition, the marker
is valid only for the active graph.
For more details, refer to “4.6.1 Setting display format”.

Marker control key and knob
Δ
SET
MARKER
The knob to be used to move
markers
These keys and knob are valid only when markers are displayed on the screen.
・
: This key is used to select an active marker (i.e., x-axis marker or y-axis marker),
while line markers (i.e., lines that are parallel to x and y axes) are displayed. At
every time when the key is pressed, a lamp on or
is lit alternately . When
you select the key , the y-axis marker becomes active, and when the key is
selected, the x-axis marker becomes active.
Either when the marker is off or when the data marker is displayed, this key is
invalid and the lamp is also off (not lit).
・
 SET : This key is used to set the delta mode. At every time this key is pressed, the  SET
lamp will be on and off alternatively; the lamp is on at the delta mode and the lamp
is off when the mode is off.
・
Knob : The knob is used to move an active marker.
For more details, refer to “4.6.4 Setting markers”.