FlexRadio Systems SDR-1000 User Manual

S E T U P F O R M C H A P T E R 8
PTT Control
Figure 118: PTT Control
Some software utilizes a separate COM port than the CAT to activate PTT. These controls allow the user to
configure this separate port to handle these signals.
 Enable PTT: Used to enable the hardware PTT. This control is unavailable (grayed out) unless a
checkmark is placed in at least one of the RTS or DTR boxes (see below).
 Port: The COM port used for the PTT signal.
 RTS: Select this box to use the RTS line to engage PTT.
 DTR: Select this box to use the DTR line to engage PTT.
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113 FlexRadio Systems

FlexRadio Systems SDR-1000 Specifications

General

Brand	FlexRadio Systems
Model	SDR-1000
Category	Radio
Language	English