Panasonic Model: CT-27SF24 CT-31XC24 CT-27XF34 CT-F2992
With the linked television and using the remote control:
1) it selects SET-UP in the main menu and the modality CABLE in the option ANTENNA.
2) it selects TIMER and adjust the chronometer for 30.
3) it presses ACTION 2 times to leave of the menus and select the channel 124.
4) it adjusts the volume for the minimum. When pressing VOL - again, he/she will enter in the service Mode (CHK).
5) to leave it presses ACTION simultaneously and POWER for more than two seconds.
panasonic tv service manual
