Tvheadend

Hi, all,

I'm a relative newb to Tvheadend. I'm using it along with XBMC to (hopefully) watch some TV.
Here's part of the log:
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Dec 13 16:10:59.318 dvb: Adapter "Auvitek AU8522 QAM/8VSB Frontend" Enabled
Dec 13 16:10:59.340 dvb: Adapter /dev/dvb/adapter0 will run in filtered mode
Dec 13 16:11:03.253 dvb: "/dev/dvb/adapter0" tuning to "999,000 kHz" -- Front configuration failed -- Invalid argument, frequency: 999000000
Dec 13 16:11:20.000 dvb: "/dev/dvb/adapter0" tuning to "993,000 kHz" -- Front configuration failed -- Invalid argument, frequency: 993000000
Dec 13 16:11:40.000 dvb: "/dev/dvb/adapter0" tuning to "987,000 kHz" -- Front configuration failed -- Invalid argument, frequency: 987000000
Dec 13 16:12:00.000 dvb: "/dev/dvb/adapter0" tuning to "981,000 kHz" -- Front configuration failed -- Invalid argument, frequency: 981000000
Dec 13 16:12:20.000 dvb: "/dev/dvb/adapter0" tuning to "975,000 kHz" -- Front configuration failed -- Invalid argument, frequency: 975000000
Dec 13 16:12:40.000 dvb: "/dev/dvb/adapter0" tuning to "969,000 kHz" -- Front configuration failed -- Invalid argument, frequency: 969000000
Dec 13 16:13:00.000 dvb: "/dev/dvb/adapter0" tuning to "963,000 kHz" -- Front configuration failed -- Invalid argument, frequency: 963000000
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What am I doing wrong? Is it this specific card?

TIA,
Ignatius