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 Routine Operation

3-14

STRATA TX Operator’s Guide/Tech Ref Manual

5.

The normal power-up sequence is as follows:

-

The Status LED above the PWR switch should 
illuminate and should change colors from red, to 
green, to amber, and finally remain green. 

-

The alphanumeric display should light up and quickly 
display a self-test screen, then the version of the 
installed firmware, and finally the Main Screen. 
Some typical screens are shown in 

. The 

exact screens will vary depending on installed 
hardware.

-

The TCU will typically power up using the last settings 
in use when power was turned off.

-

If the TCU does not power up normally, refer to the 

. 

1.

Set the TCU PWR switch to 0 (off).

2.

If the TCU is powered from the optional ACU, set the 
ACU power switch to 0 (off).

Radio Version

Main Screen

If the TCU is powered from a source other than an 
ACU, turn that power source off.

If your STRATA TX System consists of a single TXU, perform the 
following steps:

1.

Verify the power cable is properly connected to the 
TXU front panel POWER connector.

2.

Verify all coaxial cables and connectors have been 
properly connected.

3.

Connect the TXU to DC power of the correct voltage 
and polarity.

If you are unsure of the power requirements or the 
connections, refer to the 

 (Part of the STRATA TX System Technical 

Reference Manual only).

If the TXU is powered from the optional STRATA ACU, 
connect the ACU input to AC power and verify the 
TXU power cable is connected to the ACU DC 
OUTPUT connector. Set the ACU power switch to I 
(on) and verify the ACU power LED is on.