Oregon Scientific PSM01A User Manual page 16

Outdoor measurements are collected by the remote
unit.
Temperature is give at the top; humidity is below.
VIEW MIN / MAX / CURRENT MEASUREMENTS
Press SELECT 3 times until the Temperature and
Humidity Areas flash. Press UP or DOWN to scan the
readings.
CLEAR MIN / MAX RECORDS
While viewing Min/Max records, press and hold UP or
DOWN for 2 seconds until a beep sounds. This clears
the previous measurements from the memory.
PS M01 English R17 op
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SELECT REMOTE UNIT CHANNEL
While in the Temperature / Humidity Mode, press
CHANNEL to switch between CH 1, 2, or 3, or press
and hold CHANNEL for 2 seconds to enter Auto scan
mode. If only 1 remote unit is in use, you will not be able
to change channels or select Auto. If you select "Auto",
the channel will change every 3 seconds.
To deactivate, press and hold CHANNEL for
2 seconds again.
SENSOR SEARCHING
If there is no remote unit signal, the temperature and
humidity measurements will be blank. Check the remote
unit batteries, or press and hold UP and DOWN for
2 seconds to search for the remote unit(s).
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