Hitachi 27CX21B - Manual (Page 23)

SETUP 23
Reception channels for each mode are shown at the left.
Refer to your cable or TV guide for channel identification standards.
If certain CATV channels are poor or not possible in CATV1 mode, set SIGNAL SOURCE to CATV2.
AUTO CHANNEL SET
This feature will automatically store active TV channels in CHANNEL ADD/DEL. This will allow you to skip over
unused channels when using the CHANNEL UP ( ) or DOWN ( ) buttons.
If the EXIT button is pressed while the AUTO CHANNEL SET function is engaged, programming will stop.
Remember to select the correct SIGNAL SOURCE mode before using AUTO CHANNEL SET. See CHANNEL
ADD/DEL to add or erase additional channels.
CHANNEL ADD/DEL
Use this function after AUTO CHANNEL SET to add or erase additional channels to the remote control CHANNEL
or buttons.