Mitsubishi Heavy Industries FDTC50ZHXV Technical Manual page 364

2
Remove the cover by unscrewing two screws from the back of receiver.
3
Change the setting by the switch on PCB.
Screws
Receiver
4
When SW1 is turned to OFF position, change the corresponding remote controller setting as follows:
How to change the remote controller setting
Pressing ACL and AIR FLOW button at the same time or inserting the
batteries with pressing AIR FLOW button will customize the signal.
Note
* When the batteries are removed, the setting will return to the default setting.
Please make sure to reset it when the batteries are replaced.
Caution
Instruct the customer to set the mentioned above when replacing the batteries.
(How to set is also mentioned in the user's manual attached on the air conditioner.)
Backside
354
-
Switch
Cover Backside
-
Default settings
Radio interference prevention mode