Setting up and operating the BUC system
Block Up Converter Systems 6700/6900 series User Guide 65
Table 14: Set commands
Command Function Enter... Data required
Set transmit
on
Switches transmit on or off
by controlling the PA of the
BUC.
To switch on the PA, all three
serial interfaces (RS232,
RS422/485 and FSK) must
be set to STO1. STO1 is the
default setting for all of the
serial interfaces.
A built-in safety feature only
allows transmit to be
switched on via the interface
that was used to switch it off
originally.
STO1 cannot be used to
switch on transmit if an
internal fault has occurred in
the BUC.
STOn n = 0, switches transmit off
n = 1, switches transmit on
NOTE
For CE-certified
operation you
must set the
transmit default
state to Off
(STD0). When
STD0 is used (see
page 69, Set
transmit default),
you must use
STO1 after
powerup to switch
transmit on.
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