Vitek VT-3549 SR - Manual (Page 8)

ENGLISH
8
Indicator dis-
plays on the
unit
Temperature
Range
Humidity
Range
Shows that the
Current
Environment
COM
20°C to 25°C
(68°F to 77°F)
40%RH -
70%RH
Ideal range for both
relative humidity and
temperature
WET
-5°C -+ 50°C
(23°F - 122°F)
OVER 70%RH
Contains excess
moisture
DRY
-5°C -+ 50°C
(23°F - 122°F)
Below 40%RH
Contains inadequate
moisture
No Indicator
Less than 20°C
(68°F) or More
than 25°C (77°F)
40%RH to
70%RH
No comment
HOW TO CHECK THE BAROMETRIC PRESSURE
The current and historical barometric pressure is shown on the atmospheric pressure
window. For user staying at a higher altitude such as in the mountain area, see-level
barometric pressure applies. Use Pressure/ Altitude key to toggle the display to sea
level pressure display. Press and hold the Pressure/Altitude key to enter the sea level
pressure adjusting mode. Use the UP or DOWN key to enter sea level pressure and use
Pressure/Altitude to confirm. The atmospheric pressure can be displayed in mb/hPa
or inHg. To change the pressure unit, press and hold the Unit key at sea level pressure
display and use UP or Down key to select. Press the Unit key to confirm.
If you want to check the pressure history for a particular hour during the past 36 hours,
press the HISTORY button. Each press on the button will go back by an hour.
The recorded atmospheric changes for the past 24 hour are displayed in a bar chart
above the atmospheric pressure window.
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