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Reference Manual
IP2013, Rev BA
February 2012
Mobrey MSP422
4-6
Setting the Bottom
Reference
Screen display: b.rEF
Defaults: 8.000 (m), 26.24 (ft.), 314.9 (in.)
NOTE:
See Figure 4-1 on page 4-3 for a map of the programming menu structure and
how to access all the menu options.
To change the bottom reference (b.rEF) setting:
a) If entering the menu system from the PV display, press the green button
to indicate the “b.rEF” menu option (see above note.)
b) Press the blue button
to enter the menu for b.rEF. The display
indicates the present b.rEF value.
c) If this value is correct, press the red button
, and then press the green
button
to get to the next menu option.
d) Press the blue button
to start editing. The first digit flashes to indicate it
can be edited.
e) Press the green button
repeatedly to edit the flashing digit.
f) Press the blue button
to move to the next digit. The digit flashes to
indicate it can be edited.
g) Repeat steps (e) and (f) until the last digit is flashing, and edited as
required.
h) Press the blue button
to confirm the new b.rEF value. None of the
digits should now be flashing.
i) If the new value is correct, press the red button
to save. The display
changes to the next menu option.
j) If the new value is incorrect, press the blue button
to exit to the menu.
The “b.rEF” re-appears; re-start at step (b) or press
for the next menu.
Setting 4 mA and 20 mA
Levels
Screen display: 4 and 20
4mA level defaults: 0.000 (m), 00.00 (ft.), 000.0 (in.)
20mA level defaults: 7.500 (m), 24.60 (ft.), 295.2 (in.)
The 4 mA level may be set above, or below, the 20 mA level to suit the
monitoring or control equipment.
NOTE:
To set the 4 and 20 mA levels by ranging the transmitter to a fixed target, such
as the level in the tank at any particular time, skip these menu options by
pressing the green button twice to get to the next menu option.
NOTE:
See Figure 4-1 on page 4-3 for a map of the programming menu structure and
how to access all the menu options.
To change the 4 mA value:
a) If entering the menu system from the PV display, press the green button
repeatedly until the “4” menu option is indicated (see above note.)
b) Press the blue button
to enter the menu for the 4 mA level. The display
indicates the present value of the 4 mA level.