TSI IAQ50 User Manual
Page 9
9
and time stamping of recorded data will
not be correct.
To set the time and date, press and hold
either
5 or 6 key during the power-up
sequence when the time is displayed.
Release the keys when the Model IAQ50
beeps twice. You will have an opportu-
nity to view and/or change the minutes
(min), hours, year, month and date in
sequence. Use the
5 or 6 key to change
any settings. Use the ENTER key to store
each setting and advance to the next one.
Barometric Pressure
The default barometric pressure is 29.92.
To change this, press the
5 or 6 keys.
Press ENTER to store the new value. Be
sure to use “stations pressure” which
may be available at the local airport.
“Station pressure” is not corrected to sea
level. The barometric pressure is used to
correct the CO
2
readings and to calculate
the wet bulb.
The instrument then displays current
conditions. To skip the start-up