Fujitsu AUU7RLF Design & Technical Manual page 106

4. Press the MODE button again to return to the clock display. The custom code will be changed.
• If no buttons are pressed within 30 seconds after the custom code is displayed, the system returns
to the original clock display. In this case, start again from step 1.
• The air conditioner custom code is set to A prior to shipment.
• The remote controller resets to custom code A when the batteries in the remote controller are re-
placed. If you use a custom code other than custom code A, reset the custom code after replacing
the batteries. If you do not know the air conditioner custom code setting, try each of the custom
codes ( → → → ) until you find the code which operates the air conditioner.
14-2. Indoor unit (setting by wireless remote controller)
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14. Function settings