User's Guide

T6T VHF 50 W Transmitter Page 20 Operation
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Polarities Screens AM-Voice and AM-MSK
A number of remote indication and control signals can be hard-wire connected to the transmitter. These
signals include a transmitter ready indication, a PTT control signal, a phantom PTT control signal, a PTT
out indication, a transmitter inhibit control signal, a BIT test initiation control signal, an external VSWR
fault indication and antenna C/O. The following paragraphs detail the signals applicable to the
operational mode of the transmitter.
The Polarities screen is accessed from the Settings screen.
AM-Voice and AM-MSK Polarity Settings
R e a d y O u t S T D
E - B I T I n S T D
I n h i b i t I n S T D
E x i t > >
B I T S t a r t I n S T D
P T T R e f + 1 4 V
P T T I n S T D
E x i t > >
P h a n P T T I n S T D
P T T O u t S T D
F a s t P T T O u t S T D
E x i t < < > >
E x t V S W R I n S T D
A n t C / O O u t S T D
B a c k
E x i t < <
Each of ten polarity settings applicable to
AM-voice and AM-MSK can be set to the default
STD (standard) setting or INV (inverted).
The signal connections are shown in Table 6 on
page 21 along with the conditions when STD or
INV is selected.
The settings for the PTT Reference voltage are
also shown in Table 6.