Expert Electronics SunSDR2 DX

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SunSDR2 DX User Manual

ExpertSDR2 SOFTWARE DESCRIPTION

Signal output delay via the sound card can reach 250-500 ms. It can be adjusted with buffer

size (smaller values equal lower delay) or selecting different Audio driver.

ExpertSDR2 supports the following drivers: MME, WDM-KS, WASAPI, ASIO.

MME, WDM-KS and WASAPI are standard Windows drivers, ASIO is the driver for the

professional audio cards. Sometimes simple audio cards also support ASIO drivers.

If sound card supports a certain type of driver it'll be displayed in the drop-down menu.

ASIO is the fastest driver (minimal latency), WDM-KS is slightly slower (moderate latency),

WASAPI and MME slower (the biggest latency).

Enable - Checkbox to enable PC's sound card.

Set the Enable checkbox to enable sound output via the sound card.

Input – select the sound card's physical input and driver type.

Output – Select the sound card's physical output and driver type.

Buffer – size of the buffer.

Note:

Before you'll enable the Sound card by the Enable checkbox, make sure that all sound

devices settings are set correctly.

Sample rate is always 48 kHz

5.7.2.2 Line out

In the Line out category you can adjust the sound output from the sound card in the RX and

TX modes. RX1 and RX2 receivers have separate settings.

Note:

Sound output via the Line out will be simultaneous with the sound output from the

transceiver.

Line out volume has a constant max value and cannot be changed by the operator.

As a rule sound output via the Line out is used for recording communications in contests

and other purposes.

Expert Electronics SunSDR2 DX - Line out