4230 Flow Meter
Section 2 Programming
2-3
Enter/Program Step – This key has two functions. One is to
enter a program selection into the flow meter's memory (Enter).
The other is to step through the program (Program Step).
Print Program – Pressing this key makes the flow meter print
out a complete list of the current program kept in memory.
Print Report – One of the functions of the flow meter is to print
periodic reports of the activity recorded on the flow meter at
regular intervals. The contents of these reports are defined in
step 1. If you set up the flow meter to generate these reports, you
can have a report printed at any time by pressing this key. The
report will cover the time interval from the last scheduled report
up to the time you press this key.
The flow meter will print the next report at the next scheduled
time. If power fails for five minutes or more, the flow meter will
print a report when power is restored that will cover the interval
between the last report and the time that the power failed. The
next report will cover the time from the power failure to next
scheduled report time.
Chart Advance – Pressing this key causes the paper chart to
advance through the printer at the fastest possible speed.
Nothing will be printed while you press this key.
Chart Reroll – You can unroll the chart from the take-up roll to
look at it by pulling it out with your hands. Pressing this key
rewinds the chart onto the take-up roll.
Number keys – These keys let you enter numeric values into
the flow meter.
Decimal Point – This key lets you enter a decimal point into a
numeric value when programming. On flow meters equipped
with the optional modem, you can use this character as a comma
(delay) when entering telephone dialout numbers.
Arrow keys – These keys, referred to as the left and right arrow
keys let you select a programming option by moving across the
menus shown on the second line of the display.
+/– key – This key lets you enter a plus or minus to a quantity
entered. Its most common use is in entering values for the
equation, a method of flow conversion. On flow meters equipped
with the optional modem, you can use this character as a dash
when entering dialout numbers.
Manual Purge – This key lets you purge the bubble line on the
4230 at any time.
2.4 Programming
Procedure
To begin programming the 4230, turn on the flow meter and wait
for the display to settle. Then either press the Enter/Program
Step key (generally referred to as Enter) or the Go To
Program Step key.
The display will change to two lines of text; the first line
describes the step you are programming, and the second line
shows the menu choices available. One of the choices shown will
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