Changed command line options
* All lower case options define common options * All upper case options define network specific options
This commit is contained in:
@@ -55,12 +55,12 @@ To call phone, switch transmitter (using pilot signal) to 153.370 MHz.
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<p>
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Alternatively select a different sound adapter.
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If you prefer card 2, device 0, add '-d hw:2,0' or '--device hw:2,0' to the command line:
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If you prefer card 2, device 0, add '-a hw:2,0' or '--audio-device hw:2,0' to the command line:
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</p>
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<pre>
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# src/bnetz/bnetz -k 1 -d hw:2,0
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# src/bnetz/bnetz -k 1 -a hw:2,0
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</pre>
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@@ -83,13 +83,13 @@ Do not use input gain on the microphone.
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<p>
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Now we want to calibrate transmitter and receiver audio level.
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Run the B-Netz base station in loopback test mode (-L 2).
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Run the B-Netz base station in loopback test mode (-l 2).
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Even if you plan to setup A-Netz base station, use B-Netz base station for calibration.
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</p>
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<pre>
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# src/bnetz/bnetz -k 1 -L 2
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# src/bnetz/bnetz -k 1 -l 2
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bnetz.c:268 info : Entering IDLE state, sending 'Gruppenfreisignal' 2 on channel 1.
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Base station ready, please tune transmitter to 153.010 MHz and receiver to 148.410 MHz.
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To call phone, switch transmitter (using pilot signal) to 153.370 MHz.
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@@ -155,7 +155,7 @@ Use the command line option '-x' or '--cross':
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<pre>
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# src/bnetz/bnetz -k 1 -x -L 2
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# src/bnetz/bnetz -k 1 -x -l 2
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bnetz.c:268 info : Entering IDLE state, sending 'Gruppenfreisignal' 2 on channel 1.
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Base station ready, please tune transmitter to 153.010 MHz and receiver to 148.410 MHz.
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To call phone, switch transmitter (using pilot signal) to 153.370 MHz.
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@@ -186,7 +186,7 @@ A frequency of 2000 Hz is lowered down to half of it's amplitude (-6 db), so it
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<p>
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Generally a transmitter is doing pre-emphasis for you.
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If you are connected directly to the PLL of your transmitter, you will also not have pre-emphasis.
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In this case you need to do it inside the base station software. Use the command line option '-E' or '--pre-emphasis':
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In this case you need to do it inside the base station software. Use the command line option '-p' or '--pre-emphasis':
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</p>
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<pre>
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@@ -198,7 +198,7 @@ In this case you need to do it inside the base station software. Use the command
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<p>
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The receiver is doing the de-emphasis for you.
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If you are connected directly to the discriminator of your receiver, you will also not have de-emphasis.
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In this case you need to do it inside the base station software. Use the command line option '-e' or '--de-emphasis':
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In this case you need to do it inside the base station software. Use the command line option '-d' or '--de-emphasis':
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</p>
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<pre>
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@@ -216,13 +216,13 @@ Especially if you use discriminator output, you might have low output voltage.
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In my experiments it helps to amplify the amplitude by factor two in order adjust a received signal to 100%.
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A gain of 6 dB will amplify the amplitude by factor two.
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Also the noise of the sound adapter will be amplified by factor two, but this is not relevant at 16 bit resolution.
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Use the command line option '-G 6' or '--rx-gain 6'.
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Use the command line option '-g 6' or '--rx-gain 6'.
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In this example I use both, transmitter and receiver without emphasis (so software must do it) and add extra 6 dB gain to the input from the receiver:
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</p>
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<pre>
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# src/bnetz/bnetz -k 1 -E -e -G 6
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# src/bnetz/bnetz -k 1 -p -d -g 6
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</pre>
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@@ -235,7 +235,7 @@ As used before, the loop-back test can be used to verify the signal process, suc
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</p>
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<p>
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If command line option '-L 1' or '--loopback 1' is given, a loop-back inside the software is performed.
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If command line option '-l 1' or '--loopback 1' is given, a loop-back inside the software is performed.
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Also the audio signal is sent to the audio adapter, but not received from it.
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This test is used to debug the software.
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It can be used to see what the output of an external loop would look like.
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@@ -243,7 +243,7 @@ It can be used to see what the output of an external loop would look like.
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<pre>
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./bnetz/bnetz -k 1 -L 1
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./bnetz/bnetz -k 1 -l 1
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bnetz.c:351 info : Entering IDLE state, sending 'Gruppenfreisignal' 2.
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Base station for channel 1 ready, please tune transmitter to 153.010 MHz and receiver to 148.410 MHz.
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To call phone, switch transmitter (using pilot signal) to 153.370 MHz.
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@@ -266,13 +266,13 @@ bnetz.c:528 notice : Round trip delay is 0.001 seconds
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</pre>
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<p>
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If command line option '-L 2' or '--loopback 2' is given, an external loop-back is performed.
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If command line option '-l 2' or '--loopback 2' is given, an external loop-back is performed.
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The receiver needs to be tuned to transmitter, so the software receives its own signal.
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The received quality level is relevant. It should be not less than 90 for B-Netz.
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</p>
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<p>
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If command line option '-L 3' or '--loopback 3' is given, the audio from the input is sent back to the output.
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If command line option '-l 3' or '--loopback 3' is given, the audio from the input is sent back to the output.
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It can be used to check a headset.
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Everything that is spoken into the microphone should appear on the headphone.
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</p>
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