[Premium-Rx] RA3791 address
John Nelson
honeyway at outlook.com
Mon Dec 24 16:48:34 EST 2012
>It's in the manuals but not consolidated into one place. The Interface
manual discusses addresses on page 2-3 at the bottom. Trib port addresses
are covered by page 2-12. As far as I can tell, in master mode the receiver
only transfers front panel settings to another receiver (for diversity
applications), for user remote control use the trib or aux mode/port.<
Hi Greg and many thanks for the reply. It's a trivial issue in the scheme of
things but this particular receiver has an address of 14. As you know, this
appears in the extreme left of the LH display. Being used to the RA1792 I
keep seeing this as a channel number and would like either to change it to
something innocuous like 01 or 99 or remove it completely. Nothing in the
manuals seems to describe how to do this this -- don't you just love Racal
manuals? -- and it's got to the point that I'm determined to find out how to
do it!
>To change the address for Master, the first thing to do is select more than
zero address bytes in the menus, press "menu" 6(?) times to get to REMOTE
PORT, select MASTER, then at "Address bytes" select other than zero, ie one
or two. Return to front panel control , then press the Addr key, tThen the
number(s) for the address then ENTER. Unless there is something to talk to
you'll get a link failed display.<
That process certainly works as you describe, but it doesn't change the
receiver's address.
>To return to normal front panel operation press Addr then RCL. (page 4-11)<
It does indeed, but the address stays the same -- see above.
>Given page 2-3, it's likely that the master port address is applied to all
3 ports. So I'd try setting up the master port address then switching
operation back to trib or aux and then see if the scpi addresses work. I've
never tried to remote control them or connect them together for
master/slave, so this is only my expectation of how it would work.<
It doesn't seem to. I'm wondering whether the "address" of the receiver is
actually the address of its trib port, i.e. the address you'd select if you
were trying to control it remotely. If that's the case, the only way to
change the trib port address seems to be via the internal DIP switches
rather than the front panel. If so, I'm wondering whether page 13-4 of
Chapter 13 of the maintenance manual is relevant?
If all else fails, do I assume that setting SW1-5 to OFF restores the
factory default settings for everything?
73 John
GW4FRX
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