User Manual

Table Of Contents
Routine Operation 3-4PTX-PRO User and Technical Manual
XMIT LED When the PTX-PRO front panel control switch is
pressed for one second, the transmitter changes from the
standby mode to the transmit mode or from the transmit mode to
the standby mode. When the transmitter is in the transmit mode,
the front panel XMIT LED illuminates blue. When the transmitter
is in the standby mode, the XMIT LED is off.
PWR Switch The front panel PWR (power) switch controls
application of AC or DC power to the PTX-PRO.
AC/DC Power Connector The front panel AC/DC power
connector mounted on the front panel of the unit allows the PTX-
PRO to operate on external AC or DC power sources.
3.2.2 Rear Panel Connectors and Fuses
Controls, fuses, and connectors contained on the PTX-PRO rear
Pressing the control switch causes an action to
occur.
Command Options
If the displayed setting is Chng Preset, Chng VI
Mode, Chng SD/HD VI, Chng Clr Bar, or Set TX
VVA, pressing the control switch causes the
displayed setting to blink.
Turning the control switch cw or ccw then displays
the other options for that setting.
When the desired option is displayed, pressing the
control switch selects that option.
Transmit
Pressing the control switch for one second changes
the transmitter to the transmit mode from the
standby mode.
Pressing the control switch for one second changes
the transmitter from the transmit mode to the
standby mode.
panel are shown in Figure 3-2.
AUDIO 3 & 4/AES-EBU Connector The rear panel 10-pin
female connector receives balanced audio inputs for audio
channels 3 and 4.
Figure 3-2: PTX-PRO Rear Panel Controls, Indicators, and
Connectors
RF Output Type “N” Connector The rear panel 50 ohm, type
“N”, female connector provides the RF output to the transmitting
antenna. The universal type “N” connector allows the PTX-PRO
to easily be used for emergency restoration of a Studio-
Transmitter Link (STL) or Inter-City Relay (ICR) link.
AC Fuse The rear panel AC fuse provides AC input power
protection for units used with AC power sources.
AUDIO 3 & 4/
AES-EBU
Connector
AC Fuse
DC Fuse
RF Output
Connector
RS 232
Connector