Measuring procedure – General Tools and Instruments CAF4221 User Manual
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5. MEASURING PROCEDURE
5-1 Wind speed and Temp. measurement
1)Turn on the meter by pressing the " Power Button "
( 3-2, Fig. 1 ) momentarily.
*
Pressing the " Power Button " ( 3-2, Fig. 1 )
momentarily again will turn off the meter.
2)Uses the hand to hold the meter vertically. The " Cup
Vane " ( 3-1 ) will be rotated, shows the measured the
wind speed and temperature value on the " LCD
Display " ( 3-5, Fig. 1 ).
5-2 Wind speed unit change
1)Meter defaults unit value is " m/s ".
Meter unit value can be changed to " m/s, km/h,
knot, ft/min, mile/h "
2)The method to change the unit :
Press the '" Unit Button " ( 3-3, Fig. 1 ) continuously
( > 2 seconds ), the unit will change from m/s,
km/h, knot, ft/min, mile/h " in sequence. Until
reach the desired unit, release the finger from the
" Unit Button " ( 3-3, Fig. 1 ), new unit will saving
into the memory circuit no matter the meter is turned off.
*
When the display shows " HOLD " ( refer 5-3 )
or " REC " ( refer 5-4 ), it can not change the unit.
5-3 Temp. unit ( , ) change
℃ ℉
Press the '" / Button " ( 3-4, Fig. 1 ) continuously
℃ ℉
( > 2 seconds ), the Temp. unit will change from
to ( or to )
℃
℉
℉
℃
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