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<blockquote data-quote="riccume" data-source="post: 753695" data-attributes="member: 373763">I'm trying to figure out which DiSEqC commands (or Tone Burst?) my TBS 8921 DVB-S/S2 tuner card should send to switch from Sat 1 to Sat 2. Unfortunately I don't have full access to the details of the multiswitch since I live in an apartment building which has recently been wired for Sky and Hotbird; I contacted Triax for the manual but no luck so far. My previous card (Compro VideoMate S350 - I had to change due to BBC HD moving to DVB-S2) was oblivious of DiSEqC and happily tuned Astra. When I tried to do the same with the TBS 8921, it would only pick up Hotbird.The lay-out is the following:- 2 Quattro LNBs, feeding Astra 2 (Sky) to the four Sat 1 inputs, and Hotbird to the four Sat 2 inputs (it could be the other way around, this is what the installer told me when contacted but he wasn't too bothered)- Triax TMP 9x16 multiswitch, which feeds the flatsI've tried with several viewer programs to send DiSEqC signals (Pos A/Osc A, etc.) to the multiswitch and I get Hotbird in Pos A/Osc B, but no Astra. Finally while playing with TVSource I tried the configuration with no DiSEqC signal for Astra (&quot;None&quot; in the drop-down menu) and &quot;Pos A/Osc B&quot; for Hotbird, and it worked correctly!Can anybody guess what is going on here? This setting looks strange to me... but it works. Thanks!</blockquote>

[QUOTE="riccume, post: 753695, member: 373763"] I'm trying to figure out which DiSEqC commands (or Tone Burst?) my TBS 8921 DVB-S/S2 tuner card should send to switch from Sat 1 to Sat 2. Unfortunately I don't have full access to the details of the multiswitch since I live in an apartment building which has recently been wired for Sky and Hotbird; I contacted Triax for the manual but no luck so far. My previous card (Compro VideoMate S350 - I had to change due to BBC HD moving to DVB-S2) was oblivious of DiSEqC and happily tuned Astra. When I tried to do the same with the TBS 8921, it would only pick up Hotbird. The lay-out is the following: - 2 Quattro LNBs, feeding Astra 2 (Sky) to the four Sat 1 inputs, and Hotbird to the four Sat 2 inputs (it could be the other way around, this is what the installer told me when contacted but he wasn't too bothered) - Triax TMP 9x16 multiswitch, which feeds the flats I've tried with several viewer programs to send DiSEqC signals (Pos A/Osc A, etc.) to the multiswitch and I get Hotbird in Pos A/Osc B, but no Astra. Finally while playing with TVSource I tried the configuration with no DiSEqC signal for Astra ("None" in the drop-down menu) and "Pos A/Osc B" for Hotbird, and it worked correctly! Can anybody guess what is going on here? This setting looks strange to me... but it works. Thanks! [/QUOTE]

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