La Crosse Technology WS 550 US - Manual (Page 31)

3
Sensor Status Display
- In the outdoor sensor display field ("Outdoor") there is a small reception indicator
to indicate the sensor status:
· Reception indicator is displayed
→
Sensor data is being received
constantly
· Reception indicator is blinking
→
Sensor data is not being
received since the last 40 min.
· Reception indicator is missing
→
Sensor does not exist,
permanently out of order or defect
Warning against turbulent weather
- When a low pressure area is suddenly formed, there is a warning symbol in the
display field of the weather forecast. This is an indicator of an upcoming storm
or thunderstorm.
Frost warning
- A snow-flake symbol is displayed in the weather forecast field if the temperature
measured at the combi-sensor falls below 39.2 °F (4 ˚C).
4. Changing the batteries
Base station
When the battery empty symbol appears in the INDOOR display area ( ), then
all batteries are to be replaced according to the instructions in section 2.1 with
those of the same type.
Always change all the 4 batteries and use only high-quality alkaline batteries. Leave
the AC adapter connected when you are changing the batteries so as to avoid
data loss.
This Display Unit is designed to run on a/c power. Due to the power requirements
of the Display Unit, it ist not recommended to use batteries only for more than a
few hours. It ist possible to lose connection with the Combi Sensor if using bat-
teries only.
Please note!
The data memory is deleted if you do not connect the AC adapter while re-
placing the batteries.