June 11, 2015, 715004754 Rev. A
Page 67
TRACE – Displays the RIU
monitor trace.
Scale – When the RIU trace
screen is visible, this function
permits modification of the
display range in the X (time) and
Y (RIU) dimensions.
Shift – Enables the shifted functions (identified by the text at the top
of most keys). The shifted state is temporary, and is reset after the
next keystroke.
0–9 – Enters the corresponding
number into the current field.
Also positions the cursor at the
corresponding entry in a list
(0 = tenth item). Selects the
corresponding number from a
choice list.
0–9 – See descriptions for
specific shifted numeric keys.
1 – See 0–9 above. Purge – Toggles the unit in and
out of the Purge mode. The
current purge state is indicated
by icon.
3 – See 0–9 above. Recycle – Activate the recycle or
diverter valve. Recycle is a toggle
function. The current recycle
state is indicated by icon.
4 – See 0–9 above. System Info – Displays system
information including software
version, IEEE address, and
instrument serial number.
5 – See 0–9 above. Lock – When you are on the
home screen, enables or disables
the keypad lock feature. Use the
lock function to prevent
inadvertent changes to detector
settings. The current lock state is
indicated by an icon on the home
screen.
6 – See 0–9 above. Contrast – Permits adjustment of
contrast of the liquid crystal
display.
0 – See 0–9 above. Cancel – In some fields, the
Cancel function backs out of a
prompt without completing the
task. The word “Cancel” appears
as a cue in the lower-right border
of the message text.
Table 5–1: Keypad description (continued)
Key
Description
Unshifted Shifted
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