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4. Click the TX Mixer button. If the Mixer does not appear,
open the Windows Sound Control Panel and select the
"Playback" tab.
5. Click the "Test Signal" button on the Audio Devices screen
and verify that the VU Meter for connected sound card
reaches maximum. If not, turn off Test Signal, restart
Router and return to step 1. Turn off the Test Signal.
6. Select the "Playback" tab in the Sound Control Panel
double click "Speakers (USB Audio CODEC)"
●
click Levels tab and unmute Speakers
●
right click on the speakers slider and select
●
"decibels"
set the level to – 6.0 dB
●
click Balance and set LEFT (1) to -6.0 dB and
●
RIGHT (2) to -6.0 dB.
7. Switch your transceiver to AFSK mode (PKT, DIG or DATA
for Yaesu, LSB-D or USB-D for current Icom transceivers, RTTY or RTTY-R on K2 and USB or LSB
for Kenwood, TenTec and older Icom transceivers). Do not select RTTY or FSK; they do not use
the audio input.
IMPORTANT: Many transceivers, including all Yaesu transceivers, MUST be switched to special
digital mode (DIG, PKT, DATA, USB-D/LSB-D etc.) to enable the rear panel line input!
8. Click the "Test Signal" button and adjust the Speakers level for normal (rated) output on your
transceiver while keeping the ALC meter as low as possible. Turn off the Test Signal.
NOTE: For the Elecraft K3 and other transceivers that have a separate "line In" control, do not
adjust the SPEAKERS slider. Instead, adjust the transceiver Line In level (mic gain) until the ALC
shows the correct level.
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9. Select the "Recording" tab in the Sound Control Panel
double click on "Microphone (USB Audio CODEC)"
●
click Levels tab and unmute Line
●
set level slider to 0.0 dB and click "OK"
●
10. Click on the "Advanced" tab and set "Default Format" to:
"2 channel, 16 bit, 48000 Hz (DVD Quality)" then click
"Apply"
11. Adjust receive audio levels for your applications using the
Rx Main and RX Sub controls.
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