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563inrad [2007/05/21 00:43] 127.0.0.1 external edit |
563inrad [2008/08/29 23:28] k4elo |
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| ====== Inrad Omni VI / VI+ Roofing Filter Mod ====== | ====== Inrad Omni VI / VI+ Roofing Filter Mod ====== | ||
| - | *[[http://www.qth.com/inrad/kits.htm#tentec|Inrad Omni VI / VI+ Roofing Filter Mod Page]] | + | *[[http://www.inrad.net/product.php?productid=210&cat=2&page=1|Inrad Omni VI / VI+ Roofing Filter Mod Page]] |
| *{{omni_inrad_roofing_filter_switch_mod.pdf|K1FK's Inrad Roofing Filter Switch Mod}} | *{{omni_inrad_roofing_filter_switch_mod.pdf|K1FK's Inrad Roofing Filter Switch Mod}} | ||
| *[[http://tom.w4bqf.googlepages.com/roofingfilterforomni6plus|W4BQF Page on K1FK Mod to Inrad Instructions]] | *[[http://tom.w4bqf.googlepages.com/roofingfilterforomni6plus|W4BQF Page on K1FK Mod to Inrad Instructions]] | ||
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| Dave, K1FK | Dave, K1FK | ||
| + | |||
| + | August 29, 2008 | ||
| + | |||
| + | It's also simple to control the Inrad filter with the ATTN switch if you don't use that function. | ||
| + | Here's what you do: | ||
| + | Skip Inrad's instructions numbered 18 through 24. | ||
| + | Set aside the cable/connector provided for J4 on the Inrad board, you | ||
| + | won't need it. | ||
| + | Take the cable/connector provided for J3 and tie the lines together, | ||
| + | then | ||
| + | add an extension so the wire will reach up to the front of the Omni, | ||
| + | plus 4 or 5". | ||
| + | Locate the 3 pin white connector labeled 18, at the left front side of | ||
| + | the Front End Board, as viewed | ||
| + | from the front of the Omni. Cut the middle wire going to the connector, | ||
| + | leaving a few inches | ||
| + | behind on the connector in case you ever want to reconnect it. This is | ||
| + | the line that goes to the Attn | ||
| + | switch. Connect the lead from Inrad J3 to the end of the line going up | ||
| + | to the front panel Attn switch. | ||
| + | Tape up the end still attached to the connector. Set S1-S4 on the Inrad | ||
| + | board to ON. | ||
| + | |||
| + | That's all. Inrad now switches in and out with the Attn switch and the | ||
| + | led shows when Inrad is switched in. | ||
| + | All Omni filter switches are unaffected. | ||
| + | |||
| + | 73, Wayne K4ELO | ||
