Menu Operations
The four math operator keys have an alternate
function in some menu modes. The display will
sometimes include [USE +, –, =, CE]. When such
a prompt is displayed these four keys will function
as follows:
[CE] CLEAR
ENTRY
Clears the last keypad entry and
returns the display to its pre-
vious condition.
[+] SCROLL
AHEAD
Scrolls one step down the menu
tree to the next lower level of the
branch. From the bottom of the
branch the next scroll will wrap
around to the top item on the
same branch.
[–] SCROLL
BACK
Exactly the same as SCROLL
AHEAD, except in the opposite
direction. Wrap will jump from
the top of a branch to the bottom
of that same branch.
[=] EXECUTE Enables the displayed function,
or allows access to a lower level
menu under the displayed func-
tion. Also used to execute the
entry when entering a number
series such as commanding a
new control pressure point or a
new filter window value.
Mode Functions
In their mode condition, the four top keys on the
keypad enable the four primary pressure opera-
tions of the PCS 400. These are STANDBY,
MEASURE, CONTROL and VENT, and are referred
to as the functional modes. The rest of the mode
keys access menus of secondary functions that
have been grouped according to each key’s label. In
general, when leaving a menu mode, either by
activating a certain procedure, or by pressing [CE],
the system returns to the functional mode it was
last in, except pneumatic tests always return to
STANDBY.
A description of each primary function and menu
choice is listed below. It will help to have a menu
tree at hand while going over this listing. The list
shows each keycap legend, the label above it, and
a brief functional description for each item on the
menu tree. The list shows any sub-menus, and the
key strokes that will bring them to the display. For
any mode first press [2nd] (2nd will appear at the
end of the top line of the display), then press the
desired mode key. Generally, pressing [=] will
either activate the procedure on the screen if it is
an end item, or else will bring up the next sub-
menu. Pressing [+] will progress down one level for
items of the same rank on the menu tree. Press [–]
to back up one level of the same rank, or [CE] to
back up to the next higher rank. From the top of a
menu, [CE] defaults back to the previous functional
mode.
The following list of menu items steps through
keycap [0], [.], [=], then [1] through [9] and ends
with [+], [–], [CE], and [2nd]. Immediately after the
key listings there is additional text to expand on
those menu items marked with an asterisk.
LOCAL OPERATION PCS 400
3-2 www.mensor.com
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