(q)  
Speak into the handset.

 (r)  
Make sure you hear the voice from the PA speakers.

 (s)  
Put the handset in the holder.

 S 735-025
 (2)  Do the procedure, The Test of the Attendant Handset, for the aft and the two mid attendant handsets.
 G. The Test of the Attendant Handset and Pilots' Call Panel Interface.
 S 735-011
 (1)  Do these steps to do a test of the interface:
 (a)  
At the forward attendant station, push the PILOT switch on the attendant handset.

 (b)  
Make sure you hear a Hi chime in the flight compartment.

 (c)  
Make sure the applicable call light on the pilots' call panel comes on.

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 (d)  
Push the RESET switch on the forward attendants handset.

 (e)  
Make sure the call light on the pilots' call panel goes off.

 (f)  
At the forward attendant station, push the ALERT switch on the attendant handset.

 (g)  
Make sure a Hi chime is heard in the flight compartment and three Hi/Lo chimes are heard in the passenger compartment.

 (h)  
Make sure all of the attendant call lights (other than the forward attendant call lights) flash.

 NOTE: For an ALERT call made from one of the mid attendant
____ handsets, the two mid attendant call lights will not come on.
 (i)  
Make sure the ALERT light on the pilots' call panel is on.

 (j)  
Put the forward attendant handset on the holder.

 (k)  
Make sure the ALERT light on the pilots' call panel and attendant call lights are off.

 S 735-022
 (2)  Do the procedure, The Test of the Attendant Handset and the Pilots' Call Panel Interface, at the aft and the two mid attendant handsets.
 H. The Lamp Reset Test of the Pilots' Call Panel
 S 735-012
 (1) Do these steps to do the lamp reset test on the pilots' call panel:
 (a)  
At the forward attendant station, push PILOT switch on the attendant handset.

 (b)  
With the forward attendants handset removed from the holder, push the applicable call light on the pilots' call panel.

 (c)  
Make sure the call light goes off.

 (d)  
At the forward attendant handset, push the ALERT switch.

 (e)  
With the forward attendants handset removed from the holder, push the ALERT light on the pilots' call panel.

 (f)  
Make sure the ALERT light goes off.

 (g)  
Put the forward attendant handset on the holder.

 S 735-019
 (2)  Do the procedure, The Lamp Reset Test of the Pilots' Call Panel, at the mid and the aft attendant handsets without the steps for the ALERT switch.
 NOTE: The Lamp Reset Test of the Pilots' Call Panel paragraph
____ must only be done from one of the mid attendant handsets.
 I. The Test of the Voice Quality
 S 735-013
 (1)  Do these steps to do a test of the voice quality:
 (a)  Push the CAB MIC SELECTOR switch on the captain's audio selector panel.
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 (b) (c) (d)  Push and hold the PTT switch on the captain's audio selector panel.Speak into the pilot's boom microphone.Make sure the voice can be heard clearly from all of attendant handsets.
 (2)  S 735-027GUN 001-010, 101-107, 201-203; Do the procedure, The Test of the Voice Quality, with the first officer's and the first observer's audio selector panels.
 (3)  S 735-028GUN 051; Do the procedure, The Test of the Voice Quality, with the first officer's, the first observer's, and the supernumerary audio selector panels.
 (4)  S 865-014Remove electrical power if it is not necessary (Ref 24-22-00).
　
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