Cannot fire the synchronized TX

[teb]

I had updated my bladeRF tools and firmware to the 2016.06 release and tried
multi-device TX synchronization. Here is what I had done on the master device:

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bladeRF> version

  bladeRF-cli version:        1.4.0
  libbladeRF version:         1.7.2

  Firmware version:           1.8.0
  FPGA version:               0.6.0

bladeRF> set frequency 1575.42M
bladeRF> set samplerate 2.6M
bladeRF> set bandwidth 2.5M
bladeRF> set txvga1 -20
bladeRF> tx config file=gps.bin
bladeRF> set smb_mode output
bladeRF> trigger j71-4 tx master
bladeRF> tx start

and then, fire the trigger

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bladeRF> trigger j71-4 tx fire

but no signal is coming out from the TX port.

If I stop the TX and start again without trigger

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bladeRF> tx stop
bladeRF> tx start

then I can see the nice and clean signal.

I am wondering if I missed something.

[teb]

That's it! Now it is working perfectly. Thanks for the tip.