User Manual

Routine Operation 3-4STRATA TX Operator’s Guide/Tech Ref Manual
on the operating mode.
TXU Status LED Above the PWR switch on both the TXU and
TCU is a multi-color Status LED. The LED indications are as
follows:
WARNING
A Major Alarm may also indicate a potential
safety hazard. Shut down the STRATA TX
System and disconnect power.
TXU PWR/RS-485 Connector The TXU PWR/RS-485
connector mounted on the front panel of the unit allows the TXU
to operate on external +28 VDC power sources.
TXU PWR Switch The front panel PWR (power) switch controls
application of DC power to the TXU. If your STRATA TX System
contains both a TXU and an TCU, both PWR switches must be
turned on for the system to function.
TXU Control Switch Routine operating settings are controlled
by the Control Switch. Turning the Control Switch right (cw) or
left (ccw) displays status and settings and pressing it in makes
LED Color Meaning
----- Power is not on in that unit.
Green Power is on and no errors are detected.
Amber Minor Alarm - Power is on but some part
of the system reports an abnormal
condition that might impair performance.
Red Major Alarm - Power is on but there is a
failure or error that prevents normal
operation.
selections, as described below:
Turning the Control Switch to the right (cw)
displays the Monitor Screens.
The Monitor Screens provide current
status of the STRATA TX System,
including:
• Frequency Settings
• Mode - Analog or Digital
• Audio Settings
• Video Settings
• System Errors.
Turning the Control Switch to the left (ccw)
displays the Command Screens.
The Command Screens allow control of the
STRATA TX System, including:
• Changing the Preset
• Setting the RF Channel
• Set Power Output
• Select 75 Ohm Coax Power On or Power
Off (Turns power from TCU to TXU or TXU to
TCU on or off if DC power is superimposed on
the coaxial cable between the TCU and the
TXU).