Sony PCS-1 System Integration Manual page 44

12. No voice can be transmitted to the remote side after a line is connected.
SS-12
Is AUX set to
"Input switching" of audio
set menu?
NO
Is Internal set in
"Microphone selection" of
audio set menu?
YES
set in "Microphone selection"
of audio set menu?
output from connected
Communication terminal is defective.
Is microphone OFF
canceled?
Set microphone to ON.
YES
Communication terminal is defective.
2-14
YES
Is audio signal
output from connected
equipment?
YES
Communication terminal is defective.
NO
Is DSB AUX IN
NO
YES
Is audio signal
NO
equipment?
YES
NO Connected equipment is defective.
NO
Connected equipment is defective.
YES
Is PCS-A1/PCS-A300
microphone connected?
NO
Is microphone OFF
Connect PCS-A1/
PCS-A300 microphone.
Communication terminal, data solution
box, or PCS-A1/PCS-A300 microphone
is defective.
NO
canceled?
Set microphone to ON.
YES
PCS-1/PCS-1P