It is a best practice to connect a dummy load, but note that the RF is actually switched to the internal BITE connection. So the antenna connections shouldn't really matter much unless you have some really strong signals such that they bleed through multiple switches that have ~40dB isolation.
Eric On Sat, Feb 19, 2011 at 11:09 AM, Bill Bordy, NJ1H <[email protected]> wrote: > I suspected the antennas should not be connected as that was the > requirement for the previous manual calibrations. However, neither the > release notes or the installer software instruct you to disconnect the > antennas before running the program after the install. > > 73, > Bill > NJ1H > > > On 2/19/2011 11:50 AM, Tim Ellison wrote: > >> It is best that the antennas be disconnected. Here is the procedure to >> run it manually, but you should only do this if you are experience SEVERE >> issues with image rejection. Don't use the lower half of the bands in a CW >> contest to determine if you have a RX image rejection problem. WBIR is not >> working 100% correctly yet and there are too many strong signals down there >> to null properly. >> >> Caution: Running any other calibration test other than the ones described >> below may hose up your radio to the point it may have to be sent to Austin >> to correct and it may not be covered under warranty repair, meaning you >> might have to pay bench rates for the fix. >> >> Procedure: >> >> If you have PowerSDR running, do a database reset using the Setup form >> (buttons at the bottom). This will copy your existing DB to the desktop and >> initialize a "clean" default database and shut down PowerSDR. >> >> Power off the radio >> >> Disconnect any antennas >> >> Start PowerSDR. It will go through the EEPROM loads to the new database. >> >> Start PowerSDR and make sure you are receiving OK. (no distorted audio or >> anything like that) You can temporally connect an antenna to ANT-1 to check >> this out, but disconnect when you are done. >> >> Do not change any PowerSDR parameters >> >> Type the key sequence [shift]+[ctrl]+P to bring up the TRX Test form. >> >> Click on the Image button in the Receiver Tests box - this test only take >> a minute to run >> If any test fail, re-run the image cal. Sometimes it can take a pass or >> two >> >> Click on the Level button in the Receiver Tests box - this test takes a >> little longer >> If any test fail, re-run the level cal. Sometimes it can take a pass or >> two >> >> When done, close the TRX form. >> >> If you have an rx2 installed, then do this >> >> Type the key sequence [shift]+[ctrl]+R to bring up the RX2 Test form. >> >> Click on the Image button in the calibration box - this test only take a >> minute to run >> If any test fail, re-run the image cal. Sometimes it can take a pass or >> two >> >> Click on the Level button in the calibration box - this test takes a >> little longer >> If any test fail, re-run the level cal. Sometimes it can take a pass or >> two >> >> Once done, you can restore your previous database by opening the Setup >> form and selecting Import Database and select the one that was copied to >> your desktop in the first steps. >> >> >> -Tim >> >> >> -----Original Message----- >> From: [email protected] [mailto: >> [email protected]] On Behalf Of Bill Bordy, NJ1H >> Sent: Saturday, February 19, 2011 11:02 AM >> To: [email protected] >> Subject: [FlexEdge] PowerSDR(TM) v2.0.19 RC1 install auto calibration on >> startup? >> >> Does it matter whether antennas are connected or not to the radio when the >> auto calibration on initial start-up after installation is done? >> >> How does one force a recalibration if desired? >> >> 73, >> Bill >> NJ1H >> >> _______________________________________________ >> Flexedge mailing list >> [email protected] >> http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz >> This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is >> used for posting topics related to SDR software development and >> experimentalist who are using beta versions of the software. >> >> > > _______________________________________________ > Flexedge mailing list > [email protected] > http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz > This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used > for posting topics related to SDR software development and experimentalist > who are using beta versions of the software. > _______________________________________________ Flexedge mailing list [email protected] http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used for posting topics related to SDR software development and experimentalist who are using beta versions of the software.
