Philips 56PFL9954H/12B User Manual page 57

2.1.2 Universal remote control 4/4
Warning
To avoid the loss of stored Universal remote control codes,
do not leave the remote control without battery power for
more than 5 minutes. Also during the replacement of the
batteries, do not press any remote control key.
Dispose of batteries according to the end of use directives.
Read chapter Get started > Important > End of use.