INDICATION.
[
]: Rectangle duct XY dimension
indication.
h : Hour indication.
m : Minute indication.
S : Second indication.
in : Inches indication.
cm : Centimeter indication.
ft
2
: Square feet indication.
m
2
: Square meters indication.
6. POWER ON/OFF
Press
button to turn on or turn off the power.
7. Auto power off
The duration of auto power off time is 15 minutes.
If you want disable auto power off, please hold
button and press
button at the power
shutdown mode. When you see the “n-SL” display
on the LCD, that means the auto power off
function is off. If you want enable auto power off,
please restart the meter.
8. BACKLIGHT
Press
button to turn on the backlight, pres
this button again to turn it off.
The backlight time is 15 seconds.
9. CHANGE AIR VELOCITY UNIT
Press
button to change the air velocity
unit.
m/s
→
knots
→
km/hr
→
mile/hr
→
ft/min
→
Beaufort
10. CHANGE UNIT
Press
button and
button to change
unit.
＜＝＞
, m
＜＝＞
ft
11. CHANGE FUN CTION
Press
button and
button to change
function.
12. TIME CONSTANT SETTING MODE
Press
button to select TC and press
button to into the time constant setting mode and press
to exit the time constant setting mode.
