14 ON OFF ALARM1 button:
Switching the alarm function on/off
15 RAIN/ALERT button:
Turn 24-hour rain alarm on and off
Open diverse rainfall historical data
16 MODE/SET button:
Activate settings mode
Save changed settings
Show alarm times
17 HIST/UP button:
Open monthly rainfall historical data
Start manual radio connection of the wireless
rain gauge
Increase values (settings mode)
18 DOWN button:
Start/interrupt manual radio connection of the
DCF77 time signal transmitter
Decrease values (settings mode)
19 MEM button:
Call up stored temperature values
Delete stored temperature values
20 ON OFF ALARM2 button:
Switching the alarm function on/off
21 Battery compartment, 2x LR/R6 (AA), 1.5 V
WS 1907 digital rain gauge with DCF radio clock
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