Apache Labs ANAN-100/D
CW Key Selection and Wiring
Select Iambic Paddles or straight key
To use a CW key with P*SDR™ you will need to enable it in the menu. To do so, click on Setup DSP tab →
followed by the Keyer tab.
Provides connection for a CW key, either straight, single-paddle or Iambic. If using dual-paddle or Iambic mode,
the common connection of the key should be made to the sleeve of a 3.5mm 1/8” stereo plug, the “dot” side to
the ring and the “dash” side to the tip. If a straight key is used, this should be connected between the sleeve
and the tip of the plug. Some PC SDR Software enables the dot and dash connections to be reversed via a
menu selection (above). The dot and dash connections are connected to a 3.3vdc via a 1k resistor.
Revision v1.8 April 23, 2013 26 of 70 authors N9VV and KC9XG
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