Hi Nate,
Thank you for clarifying! I actually guessed and tried that subdev spec too, and while it got rid of the 'L's the 'S''s are still there and none of the leds come on. I am running at 12.5MHz. I am running the ofdm_tx.grx flowgraph and I made sure to get rid of the throttle block and replace the OFDM tranmitter block with the UHD sink block. Thanks, Sarah ________________________________ From: Nate Temple <nate.tem...@ettus.com> Sent: Monday, April 23, 2018 4:12 PM To: Sarah Tran Cc: usrp-users@lists.ettus.com Subject: Re: [USRP-users] N310 Subdevice Specification Hi Sarah, For four channels on the N310 and UHD 3.11.0.1, the subdev spec will be "A:0 B:0 C:0 D:0". What sample rate are you running at ? Regards, Nate Temple On Mon, Apr 23, 2018 at 6:50 PM, Sarah Tran via USRP-users <usrp-users@lists.ettus.com<mailto:usrp-users@lists.ettus.com>> wrote: Hi all, I recently got the N310, and I got one of the example programs from gr-digital to run on it. However because I didn't specify a subdevice, it only uses one channel. I want to be able to TX on all 4 channels but I couldn't get the right subdevice specification syntax correct. I tried "A:0 B:0" just to get maybe two channels transmitting, but it just printed out a lot of 'S' and 'L's. I also tried the syntax for the E310 "A:A A:B" which didn't work either. I know this is just my error, but I can't find much documentation on the correct syntax to use! I am using UHD version 3.11 and GNU Radio 3.7.11.1. Any help is greatly appreciated! -Sarah Leony _______________________________________________ USRP-users mailing list USRP-users@lists.ettus.com<mailto:USRP-users@lists.ettus.com> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
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