Operating Instructions

Press to turn on. Press and hold
for 3 seconds to turn o󰀨.
Press to set the alarm sound
level for the Receiver.
Press to turn backlight on.
Long press for 3 seconds to
enter manual signal receiving
state.
X50 Receiver
5 6
X50 Main Unit (Back)
Press to turn on. Press
and hold for 3 seconds
to turn o󰀨.
Press to transmit signals
to the Receiver.
Long press to turn o󰀨
the signal transmission
function.
Switch display between
Celsius and Fahrenheit.
Adjust the volume level.
Calibration function.