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24
Setting Up
Five different displays are available in the Time function. You may select
present consumption level, a 4-minute average, a 16-minute, or a 32-minute
average, or display the percent of rate compensated capacity remaining.
Which method is best for you depends on your installation. Most installations
will find four-minute averaging appropriate. To SET UP follow the
procedure outlined on page 20. As you press the SET button the following
values will appear. Use the table below to choose the appropriate averag-
ing period.
Instantaneous: Time Remaining Setup Display: 000
4-Minute Average: Time Remaining Setup Display: 00I
16-Minute Average: Time Remaining Setup Display: 002
32-Minute Average: Time Remaining Setup Display: 003
Percent Remaining: Time Remaining Setup Display: 04P
Operating Tips: Use the longest period of time you can to ensure long-term load
variations are considered. For instant feedback, use the 000 (no averaging) dis-
play. Time is in hours and 1/10ths of hours. In the Percent of Capacity Remaining
mode, a full battery is displayed as 100P and counts down as your discharge. The
Percent of Battery Capacity Remaining is referenced to the selected discharge
floor and uses the instantaneous (not averaged) rate of discharge. The percent of
capacity remaining display shows the percent number which drives the Bar
Graph. This function is very useful on electric vehicles.
CAUTION: Time displays are an estimate of how long your battery will
sustain a load (to your selected discharge floor; default: 100% discharge).
Variations in discharge current, incorrectly set battery capacity, Peukert's
exponent, temperature, and prior battery history may affect the accuracy of
this estimate. Please use Time displays only as a guide. Use all displays
(volts, amps, amp hours, and time) to make an informed decision about
battery state-of-charge. Do not rely on a single value!