Figure 77, Adjustment and purge buttons, Figure 78 – Vaisala HMT330 User Manual
Page 158: Adjustment menu, Table 34, Indicator led functions

User's Guide _______________________________________________________________________
156 __________________________________________________________________ M210566EN-K
0508-013
Figure 77
Adjustment and Purge Buttons
The following numbers refer to Figure 77 above:
1
=
Indicator LED
2
=
Adjustment button
3
=
Press the purge buttons simultaneously to start chemical
purge (if available)
Adjustment menu is displayed only when ADJ button (on the
motherboard inside the transmitter) is pressed.
0706-007
Figure 78
Adjustment Menu
Table 34
Indicator Led Functions
Indicator Led Function
Description
LED off
adjustment locked
LED on
adjustment available
LED blinking evenly
measurement not stabilized
LED blinking with short pulses
performing chemical purge
NOTE
If using a warmed probe (HMT337 option), probe heating will be
interrupted when ADJ key is pressed. Allow sufficient time for the
probe to reach ambient temperature before starting the adjustment
procedure.
NOTE
Fixed pressure compensation value of 1013.25 hPa is used when in
adjustment mode