Saswell T19WHB-7-RF - Page 67

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that indicates the thermostat is entered to receive communication
signals. Yellow LED blink two times.
2. Code match：
When the Control Centre is in the code match mode, Switch off
the thermostat, long press the power button for 3 second to enter
the code match mode and LED C (yellow) lit up. If the Control
Centre and receiver code match successfully, LED C (yellow)
flashes 6 times ,saves the current setting and exit automatically.
Otherwise it means not done , the thermostat will exit the menu
after 20 second and need to recode.