Humax NA-3712 - Manual (Page 11)

Rear Panel Connectors
1
2
3
6
4
5
LNB IN
Use to connect an antenna.
RS-232C
Use it when connecting to your PC.
RCA AUDIO OUTPUT
Use to connect an audio signal from your STB to an audio input jack
on a VCR or TV.
RCA VIDEO OUTPUT
Use to connect video signal from your STB to a video input jack
on a VCR or TV.
RF OUT
Use to connect a RF signal from your STB to RF(ANT) input jack
on your TV.
RF IN
Use to connect a general AIR ANT and CABLE jacks to a RF in jack
on the STB.
STB Connections
GB10