I have CAT564 and tried as you suggested and fould the following to be true:
06 works for N1 filter and and change it to an 07 works for N2 filter in 9
----- Original Message -----
Sent: Wednesday, August 01, 2001 9:01 PM
Subject: [TenTec] Omni VI+ commands revisited
> I thank the Omni VI+ users for their responses to my query about
> operating the narrow filters through computer commands.
> I regret that the Omni VI+ manual says that the narrow filter
> is not available through commands. However, for an Omni VI,
> despite the fact that it is not mentioned in the documentation, the
> FE FE 04 E0 06 00 06
> implemented in Zakanaka as
> $hexcommand FE FE 04 E0 06 00 06 FD$
> will toggle the 9 mHz. narrow filter. Why don't you Omni VI users
> try this out and see if it works on one of the narrow filters (watch
> the lights)? If it does, try 07 as the last digit and see if it toggles
> the other narrow filter. This is a toggle, by the way, which is not
> the nicest way to implement this function. That is, each time you
> send the command, it switches back the other way, i.e., on, off,
> on, off, .....
> The final digits 02 thorugh 04 operate the 6.3 mHz. filter selections,
> and these are not toggles. Each choice turns the others off (only
> one filter is in line). The 00 in the 6th byte from the left operates
> the mode (00=LSB, 01=USB,....).
> By the way, I am using an Omni VI with the cheapskate VI+
> upgrade, which is a new ROM chip but no extra filter position. My
> software should be the same as the VI+, so I think that Ten-Tec is
> hiding something from you guys. If so, this is the place to talk
> about it. I have this thing about operating manuals.............
> Please let me know if you stumble across a way to get the narrow
> filters working remotely, I want to add it to the Zakanaka
> documentation. Try the stuff above and let me know.
> Jan Ditzian
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