Operation Manual

7. Rain Gauge
7.1 Reception of outdoor transmitter
 The main unit automatically starts receiving transmission from outdoor rain sensor
after time setting. The symbol flashes when the signal is received successfully.
 After batteries inserted, the rain sensor automatically transmits temperature signal
to the main unit.
 If main unit failed to receive transmission from outdoor rain sensor after the
batteries inserted (“- - . –”display on the LCD), hold “SEARCH” button (B3) on the
main unit for 3 seconds to receive transmission manually.
7.2 Rain Sensor Alarm
 In time setting mode, select the rain alert on/off.
Symbol appear on the display if rain alert function is activated
 When raining, the alarm signal will sound for around 2 minutes; symbol will
flash on the display. Press any button to stop the alarm.
 The symbol stop flashing 30 minutes after the rain has finished.
7.3 Rain Gauge Display
Press “RAIN” (B2) button to view different display. The sequence is shown as follow:
TIME → Day/Month → Total rainfall status(TOTAL) → Last 1 hour rainfall status (1H)
→ Last 24hours rainfall status (24H) → Current rainfall status ( )
 Total rainfall mode: Show the rainfall from the unit started up until you clear to zero
or reset.
When display “RAINFALL TOTAL”, hold “RAIN” (B2) button for 3 seconds to reset the
record to zero.
 1 hour rainfall (1H) mode: Show the total rainfall of last hour and will update the
status for every 10 minutes.
 The last 24 hour rainfall: Showed the total rainfall of last 24 hours and will update
the status for every hour.
 Current rainfall: Showed the current rainfall status and will update automatically. If