Instruction manual

DSR-4550 57
Operating the DSR-4550
Audio Test Signal Menu
This menu allows the user to select an audio test signal for each of the two audio
outputs, Audio1 and Audio2. Press the

buttons until the Audio Test Signal menu
appears (shown below).
L1/R1 Field Default: Off
Caution: Audio output to the customers may be interrupted and test signals
override any active service component.
This field allows the user to enable the Audio1 test signal. Press the
4
button until
the cursor is at the L1/R1 label. Press the ENTER button to enter the field. Use the

buttons to display the three test options:
•Off
• 1000 Hz at +16 dBm
• 4040 Hz and 3960 Hz at +4 dBm
To terminate an audio test signal, use the

buttons to select Off and press the
ENTER button, or exit the L1/R1 field.
L2/R2 Field Default: Off
Caution: Audio output to the customers may be interrupted and test signals
override any active service component.
This field allows the user to enable the Audio 2 test signal. Press the
4
button until
the cursor is at the L2/R2 label. Press the ENTER button to enter the field. Use the

buttons to display the three test options:
•Off
• 1000 Hz at +16 dBm
• 4040 Hz and 3960 Hz at +4 dBm
To terminate an audio test signal, use the

buttons to select Off and press the
ENTER button, or exit the L2/R2 field.
E Off Off
AUDIO TEST SIGNAL L1/R1 L2/R2