Tx Buffer Size; Remote Control - DV Development Group DV4mini User Manual

You should be able to simultaneously listen to D-Star reflector
DCS001V. In DMR mode for to reflector 4012 which is connected to
the D-Star DCS001V. Now change the receive frequency of the stick
and listen to the signal in D-Star. The point between no data, bad
modulation and good modulation is 100 Hz. Now fnd the frequency
going down and up where no longer data come through or in T-Star
PTT no longer works. The arithmetic center between these two
frequencies is the optimal setting and can be entered in this feld.

TX buffer size:

Before being transmitted through the built in 70 cm transceiver the
signal is being buffered. This is necessary to fll data holes that
develop in the internet transmissions. (ping times)
If you have a good and fast DSL connection you won't need buffers
and keep this setting small.
However if you use mobile networks (H+, Edge, LTE etc) holes in the
data stream can be substantial. In this case you pick buffer sizes of 1
or 1.5 seconds.His will delay the transmission a bit but will close the
holes and thus eliminate many interruptions.

Remote Control:

One can control the DV4mini additionally from another computer.
Computer 1:
This is where the DV4mini USB stick is plugged in. One starts the
program "dv_serial" in console mode.
Computer 2:
Here you start dv4mini.exe - the user surface. In order to fne
computer 1 is IP address needs to be entered in the feld "distant
DV4mini IP/URL" and you activate Remote Control on/of.
Now one can control with computer 2 computer 1. You will get all
displays and full control over all set up as if you are sitting in front of
computer 1.
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