La Crosse Technology WS-7394U-IT - Manual (Page 42)

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Problem: The LCD is faint
Solution: Replace batteries
Problem: No outdoor temperature I
displayed.
Solution:
1) Remove all batteries, reinsert into remote
temperature sensor first, and then into the
indoor temperature station.
2) Place remote temperature sensor closer to
the indoor temperature station.
3) Be sure all batteries are fresh.
4) Place remote temperature sensor and
indoor temperature station in position so
the straight-line signal is not passing
through more than two or three walls.
Problem: Temperatures do not match if units
are placed next to each other.
Solution: Each temperature sensor is
manufactured to be accurate to within 1
degree plus or minus and under normal
conditions; so two temperature sensors could
be as much as 2 degrees different. However,
the difference can be exaggerated further
because the temperature sensors are
designed for different working environments.