eso pasa en bastantes programas.
Es estos lo mas comodo es editar el archivo de configuracion que hay oculto en tu directorio raiz.
Por ejemplo si usas el xawtv tendras k editar el archivo correspondiente i alli dentrom segun su formato, agregar los canales.
Ejemplo con xawtv:
$ vim /home/pakohuelva/.xawtv
–-------
I añades los canales:
---------```
[global]
ratio = 4:3
freqtab = europe-west
pixsize = 128 x 96
pixcols = 1
jpeg-quality = 75
keypad-ntsc = no
keypad-partial = yes
osd = yes
osd-position = 30 , 20
use-wm-fullscreen = yes
[Station name]
capture = overlay | grabdisplay | on | off
input = Television | Composite1 | S-Video | ...
norm = PAL | NTSC | SECAM | ...
channel =
fine = # (-128..+127)
key = keysym | modifier+keysym
color =
bright =
hue =
contrast =
[defaults]
group = main
norm = PAL
input = Television
capture = over
color = 49%
bright = 50%
hue = 50%
contrast = 42%
[TVE 1]
channel = 45
key = 1
capture = on
[TVE 2]
channel = 39
key = 2
capture = on
[TV3]
channel = 42
key = 3
capture = on
[Canal 33]
channel = 32
key = 4
capture = on
[Tele 5]
channel = 55
key = 5
capture = on
[Antena 3]
channel = 61
key = 6
capture = on
[Canal+]
channel = 58
key = 7
capture = on
[TVRibes]
channel = 51
key = 8
capture = on
[Canal BLau]
channel = 28
key = 9
capture = on
[Flaix TV]
channel = 65
key = 0
capture = on
[City TV]
channel = 62
key =
capture = on
Salu2!