Aalborg TIO Totalizer I/O Flow Monitor/Controller - Manual (Page 39)

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In the example shown above, all PI screens are enabled. Each PI screen
is assigned to a corresponding bit in the PI Screen Register. In order to
change PI Screen mask settings the user should select the desired
screen using UP and DN buttons and then press RIGHT button. The
asterisk will appear/disappear on the right side of the corresponding
screen. The asterisk signifies that the screen is enabled. In order to
disable the screen, the corresponding asterisk must be removed. Use
the ENT button to accept and save new PI Screen Mask settings in the
device’s nonvolatile memory.
d) Display Back Light (Numerical entry)
Using Display Back Light settings the user can adjust the desired level of
the LCD back light has 19 different levels. Use UP and DN buttons to
adjust back light level and press the ENT button to accept and save back
light level settings in the device’s nonvolatile memory.
e) Display Contrast (Numerical entry)
Using Display Contrast settings the user can adjust the desired level of
the LCD contrast which has 16 different levels. Use UP and DN buttons
to adjust contrast levels and press ENT button to accept and save
contrast level settings in the device’s nonvolatile memory.
5.3.12 Submenu “Device Function”
This menu selection allows the selection of TIO function according to the mated
device type. If TIO is connected to flow meter then
“Meter” function must be
selected. If TIO is connected to flow controller then “Controller” function must be
selected.
NOTE: PI Screen #1 cannot be disabled (unmasked).
,
NOTE: By default the contrast level is set to 6 which is the optimal
level for room temperature (20 °C or 70 °F).
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