Amprobe TMA-20HW Mode D'emploi page 13

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The time constant is an averaging period. It is used to dampen the
display. If you are experiencing fluctuating flows, a longer time constant
will slow down those fluctuations.The average method is also referred to
as a "moving average".
Select a Auto Data Memory Interval Time mode
• Push "SET" key three times to enter this mode, the "INTV" symbol and
the current interval time are displayed.
• Push "" and "" keys to scroll through the log interval choices. The
choice are : 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 20, 25 and 30 seconds, and 1, 2,
3, 4, 5, 6, 7, 8, 9, 10, 15, 20, 25, 30 and 60 minutes. Push "↵" key to store
the choice.
• Push "SET" key several times until the " SET " symbol is disappeared to
exit the setting mode.
Auto Power Off Time Setting mode
• Push "SET" key four times to enter this mode, the "APO" symbol and the
current auto power off time are displayed.
• Push "" and "" keys to setting the desired auto power off time from
1 to 50 minutes or setting to "– – m" for disable this function. Push "↵"
key to store the setting.
• Push "SET" key several times until the " SET " symbol is disappeared to
exit the setting mode.
Backlighting Time Setting mode
• Push "SET" key five times to enter this mode, the "bL" symbol and the
current backlight time are displayed.
• Push "" and "" keys to setting the desired backlight time from 1 to
50 seconds or setting to "– – s" for disable this function. Push "↵" key to
store the setting.
• Push "SET" key several times until the " SET " symbol is disappeared to
exit the setting mode.
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