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authorJosh Blum <josh@joshknows.com>2011-10-10 17:48:46 -0700
committerJosh Blum <josh@joshknows.com>2011-10-10 17:48:46 -0700
commit406ddc022ce6cd6fd0b6c7baeed5f8b36651c365 (patch)
tree99018cceb63e9e22d237c18de4a1fcdc684438d8 /host/examples
parent80dbdef7305da9028ba3747e79774dbb158a5d55 (diff)
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uhd: specify range on tx_waveforms --ampl
Diffstat (limited to 'host/examples')
-rw-r--r--host/examples/tx_waveforms.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/host/examples/tx_waveforms.cpp b/host/examples/tx_waveforms.cpp
index 261b1342d..6e5c53642 100644
--- a/host/examples/tx_waveforms.cpp
+++ b/host/examples/tx_waveforms.cpp
@@ -103,7 +103,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
("spb", po::value<size_t>(&spb)->default_value(10000), "samples per buffer")
("rate", po::value<double>(&rate), "rate of outgoing samples")
("freq", po::value<double>(&freq), "RF center frequency in Hz")
- ("ampl", po::value<float>(&ampl)->default_value(float(0.3)), "amplitude of the waveform")
+ ("ampl", po::value<float>(&ampl)->default_value(float(0.3)), "amplitude of the waveform [0 to 0.7]")
("gain", po::value<double>(&gain), "gain for the RF chain")
("ant", po::value<std::string>(&ant), "daughterboard antenna selection")
("subdev", po::value<std::string>(&subdev), "daughterboard subdevice specification")