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PostPosted: Wed Jan 28, 2009 6:46 am 
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Not too shy to talk

Joined: Thu Nov 01, 2007 7:24 pm
Posts: 16
After exchanging my Pinnacle 200e DVB-T USB box for a Pinnacle 2001e Dual DVB-T diversity stick DD's BDA driver cannot tune to the VHF channels with 7 MHz bandwidth any more. All the channels with 8 MHz bandwidth work fine, but it looks like the bandwidth setting is not passed to the tuner.

If I do a rescan then only the 8 MHz channels are found, no matter if the bandwidth is set to 7 or even 6 MHz. The funny thing is that ScanMan's BDA_ALL driver does recognize the 7 MHz channels, but this driver has other issues. It recognizes 4 devices instead of only 2, and I have the feeling that it uses only tuner No. 1 no matter which of the 4 devices I activate. Which means that the diversity feature does not work with the BDA_ALL driver.

BTW I tested this with the current DD driver 2.1 as well as with the older version 1.1, but no difference. For the BDA_ALL driver I used all versions from 1.03 to 1.08, and they all behaved the same.

The stick uses a driver named mod7700.sys by a French company called DiBcom. AFAIK the other popular diversity stick TerraTec Cynergy uses the same driver, so this problem might apply to more people than just me.

Cheers
manolito

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Pinnacle Dual DVB-T Stick 2001e (DVB-T)
WinXP Professional SP3
CPU Intel Celeron 1.1 Ghz (Coppermine)


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 Post subject: Followup
PostPosted: Thu Jan 29, 2009 10:33 am 
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Not too shy to talk

Joined: Thu Nov 01, 2007 7:24 pm
Posts: 16
Here is the BDA log file which shows how I first tune to a UHF station with 8 MHz bandwidth and then to a VHF station with 7 MHz bandwidth.


Cheers
manolito


Attachments:
bda_log.txt [4.01 KiB]
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_________________
Pinnacle Dual DVB-T Stick 2001e (DVB-T)
WinXP Professional SP3
CPU Intel Celeron 1.1 Ghz (Coppermine)
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