(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.

 S 864-057
 (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:

 S 864-058
 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.

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

 (e)  
Set the BASE switch.

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

 (g)  
Set the SUBFRAME and WORD as specified.