(d)  
Set the DATA PARAMETER/DOCUMENTARY switch to the DATA PARAMETER position.

 (e)  
Set the OCTAL DISPLAY switch to the 12 BIT position.

 (f)  
Set the SUBFRAME and WORD as specified.

 (g)  
With the STP tester, set the control switches on the tester as follows: 1) Set the ON/OFF switch to the ON position. 2) Push the SYS TEST switch and make sure there is no failure

 message on the tester display. 3) Push the CLR switch. 4) Push the FDAU switch. 5) Set the UPDATE switch to the AUTO position. 6) Set the data switch to the 12 BIT position. 7) Set the SUBFRAME and WORD as specified.
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 (6)  With the Teledyne tester (P/N 2222786), set the switches on the tester as follows:
 (a)  
Set the POWER switch to the ON position.

 (b)  
Set the READOUT switch to the ACTF DATA position.

 (c)  
Set the UPDATE switch to the AUTO position.

 (d)  
Set the DFDAU/DFDR DATA SELECTOR switch to the DFDAU position.

 (e)  
Set the DATA switch to the 12 BIT position.

 (f)  
Set the SUBFRAME and WORD as specified.

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 (7)  
With the Teledyne tester (P/N 2229738), set the switches on the tester as follows:

 (a)  
Push the CLR switch two or three times to clear all inputs.

 (b)  
Push the DFDR switch and then the ENT switch.

 (c)  
Set the SUBFRAME and WORD as specified.

 (8)  
With the hand-held download unit (HHDLU), do the steps that follow:

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 NOTE: These steps are for airplanes equipped with AlliedSignal FDR
____
 only.

 (a)  
On the flight recorder control panel (FRCP), set the function switch to the ON position.

 (b)  
Push the red button on top of the HHDLU.

 (c)  
Set the DSDU switch.

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757 MAINTENANCE MANUAL
 (d)  
Set the word number to WRD1, WRD2, or WRD3.

 (e)  
Set the BASE switch.

 (f)  
In the BASE SELECT menu, set OCT for octal values.

 (g)  
Set the SUBFRAME and WORD as specified.

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 (9)  With the MADU, set the switches as follows:
 (a)  
Set the power switch to the ON position.

 (b)  
Push the FUN switch, then enter the number 5 to set the LRU A on the tester.

 (c)  
Push the DATA switch, then the number 03 to set the DFDAU-H on the tester.
　
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