Sony Bravia KDL-19M4000 Operating Instructions Manual page 22

Basic Operations
Insert two size AA batteries (supplied) by matching the e and E
on the batteries to the diagram inside the remote control's battery
compartment.
22
Button
qj 0 - 9 ENT
qk CH +/–
qj
qk
Description
Press 0 - 9 to select a channel; the channel changes after two
seconds. Press ENT to change channels immediately.
Press to scan through channels. To scan quickly through
channels, press and hold down either +/–.