About the PT-150C and PR-150C
Audio In/Out Jacks
PT/PR-150C Module Installation & Operation Manual
Harris Corporation
Issue 1, October 2000
Intraplex Products
1-11
1.7
Audio In/Out Jacks
Note:
Be careful using the AUDIO IN jacks on a PT-150C for monitoring. A signal input
at the jack is added to the program audio and may cause an output overload. Use
a high impedance meter for testing.
Table 1-6
Test monitor switch settings (SW1)
Desired Operation
Left Channel
(SW1 positions
1&2)
Right Channel
(SW1/
positions 3&4)
PT-150C Test Input
Operate the card normally; input signal
comes from the module adapter on rear
of chassis
ON
ON
Monitor the signal coming to the card
from the module adapter by plugging
into the Test Input jack; card still
operates normally
ON
ON
Inject a test signal by plugging into the
Test Input jack; disconnect the signal
coming from the module adapter
OFF
OFF
PR-150C Test Output
Operate the card normally; output
signal goes to the module adapter on
rear of chassis
ON
ON
Monitor the signal leaving the card via
the module adapter by plugging into the
Test Output jacks; card still operates
normally
ON
ON
Take the card output from the Test
Output jacks, disconnect the audio
going to the module adapter
OFF
OFF
