La Crosse Technology WS-7213U Instruction Manual page 46

1) Set the LCD contrast to a higher number
2) Replace batteries
Problem: No outdoor temperature is
displayed.
Solution:
1) Remove all batteries, reinsert into sender
first, then display.
2) Place remote sender closer to display.
3) Be sure all batteries are fresh.
4) Place Remote Control Sender and
Weather 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 sensors could be as much
as 2 degrees different. However, the
difference can be exaggerated further
because the sensors are designed for
different working environments. The indoor
12