Fine offset WH32M, User Manual, Page: 15 / 24

Version 2.0 Page
15
4.6 Calibration
While in the normal node, press and hold the
SET/CH
and
BARO/-
keys for five seconds to enter
calibration mode (note: the SET/CH mode will appear after three seconds. Continue pressing the
two keys until you see the CAL icon appear in the upper right hand corner of the display).
Enter the calibration offset to match the calibration source.
Command Function Description Settings
SET/CH
and
BARO/- + 5
seconds
CH 1 TEMP Calibrate the channel
1 temperature Press
TEMP/+
or
BARO/-
to
increase or decrease the outdoor
temperature offset.
SET/CH
CH 1
HUMIDITY Calibrate the channel
1 humidity Press
TEMP/+
or
BARO/-
to
increase or decrease the outdoor
humidity offset.
SET/CH
CH 2 TEMP Calibrate the channel
2 temperature Press
TEMP/+
or
BARO/-
to
increase or decrease the outdoor
temperature offset.
SET/CH
CH 2
HUMIDITY Calibrate the channel
2 humidity Press
TEMP/+
or
BARO/-
to
increase or decrease the outdoor
humidity offset.
SET/CH
CH 3 TEMP Calibrate the channel
3 temperature Press
TEMP/+
or
BARO/-
to
increase or decrease the outdoor
temperature offset.
SET/CH
CH 3
HUMIDITY Calibrate the channel
3 humidity Press
TEMP/+
or
BARO/-
to
increase or decrease the outdoor
humidity offset.
SET/CH
INDOOR
TEMP Calibrate the indoor
temperature Press
TEMP/+
or
BARO/-
to
increase or decrease the indoor
temperature offset.
SET/CH
INDOOR
HUMIDITY Calibrate the indoor
humidity Press
TEMP/+
or
BARO/-
to
increase or decrease the indoor
humidity offset.
SET/CH
PRESSURE Calibrate the
absolute and relative
pressure Press
TEMP/+
or
BARO/-
to
increase or decrease absolute and
relative pressure offset.
SET/CH
Exit Set Mode
Figure 12
Example 1:
The calibrated temperature from a red spirit thermometer, or actual temperature is 60.0 °F.
The uncalibrated or measured temperature is 58.7 °F.
Offset = Calibrated Temperature – Uncalibrated Temperature = 60.0 – 58.7 = 1.3 °F.
Enter the temperature 1.3 °F.
Example 2: