Changing the settings – Vaisala HMP46 User Manual
Page 67

HMI41 AND PROBES
M210316EN-A
Operating Manual
63
5.
CHANGING THE SETTINGS
The HMI41 factory settings are the following:
- display units:
0 (metric)
- automatic power-off:
5 (minutes)
- display quantities:
0
(RH, T and Td)
- pressure:
1013.25 hPa
(1 hPa = 1 mbar)
- probe type:
AUT
(or 1, see below)
- start:
1
Indicators marked with letters ID have the automatic probe recognition (
AUT
PROBE
) as default, previous versions the probe type 1. With previous versions,
set the probe type setting manually to
PROBE
TYPE
2 when using the HMP46.
To change the setting, press ON/OFF until you can see some text on the
display. Release the ON/OFF button and press within 1-2 seconds
simultaneously both ENTER and MODE buttons until the text "SEtUP"
appears on the display:
DISPLAY
WHAT TO DO
PRESS:
Wait for a few seconds.
set
°C
Select the display units:
0 = metric units 1 = non-metric units
▲ (number up) or
▼ (number down)
ENTER(to scroll the menu) or
ON/OFF (to exit the setup
mode)
set
Set the time for the automatic power-off
in minutes (NO,1...60); if NO is chosen,
the power-off function is not activated
▲ (up) or ▼ (down)
ENTER (to scroll the menu) or
ON/OFF (to exit the setup
mode)
set
Select the display quantities:
0 = RH, T, Td 1 = RH, T, Td, abs
2 = RH, T, Td, Tw 3 = RH, T, Td, x
▲ (up) or ▼ (down)
ENTER(to scroll the menu) or
ON/OFF (to exit the setup
mode)
set
P
Pa
h
Set the pressure for mixing ratio and wet
bulb temperature calculations.
▲ (0.25 hPas up) or
▼ (0.25 hPas down)
ENTER (to acknowledge the
setting)
ON/OFF (to exit the setup
mode)
set
Select the correct probe type:
1 = HMP41,HMP45 (HMP44/44L)
2 = HMP42, HMP46
▲ (up) or ▼ (down)
ON/OFF (to exit the setup
mode)