Humax NA-3712 manual GB25, Output Setting, VHF Tuning

A/V Output Setting

Audio Output

Set the Audio mode which is output from RCA/Cinch Jack. (STEREO/MONO)

Screen Mode

Select the aspect ratio of TV which is connected to STB(4:3 or 16:9).

Display Format

Select the format which the video is to be displayed on screen. When your TV set is 4:3 and video source is 16:9,

STB will display in Letter-box or Center mode as selected. When your TV set is 16:9 and video source is 4:3,

STB will display in the Pillar-box or Full mode as selected.

NTSC Mode

Adjust this value between 3.58 and 4.43 if your TV displays the video only in black and white color. Normally NTSC 3.58 mode is used worldwide, but some TV sets can support only NTSC 4.43 mode.

VHF Tuning

When you watch TV after connecting a cable between

the RF OUT jack on STB and the Input jack (RF Input) on TV.

If you select Channel 3 or Channel 4 and then set VHF Tuning to Channel 3 or Channel 4, all services from STB will be viewed through TV Channel 3 or Channel 4.

GB25