ATP Electronics AVM-81AM, Инструкция по эксплуатации

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4. MEASURING PROCEDURE
1) Power on the instrument by pressing the " Power Button "
( 3-1, Fig. 1 ).
2) Press the " Unit Button " ( 3-4, Fig. 1 ) to select
unit that you want and then face the " Air Flow Sensor "
( 3-5, Fig. 1 ) to the source of wind.
3) Allow time for reading to become stable and note the value
indicated. From a pratical point of view the velocity may
fluctuate.
5. OTHER FUNCTIONS
5-1 Hold Function
Pressing the "Hold Button" (3-1. fig. 1) will freeze the current
value with a "HOLD" symbol on the display. Press again to
release the hold function.
5-2 Data Record Function
1) The Data Record function records & displays the maximum
and minimum reading values. Start the Data Record
function by pressing the " Max./Min. Button " ( 3-3, Fig. 1 )
once. There will be a " REC " symbol on the display.
4