Vaisala HMT330 - Manual (Page 158)

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