Russound R1250MC Installation Manual page 20

Protection Circuitry Test:
On all Zones:
1) Adjust Left and Right gain controls fully counter clockwise.
2) Set the Stereo/ Bridge Mono slide switch to the Stereo position.
3) Set Line In/Bus In slide switch to Bus In for all zones.
4) Connect the CD player to Bus In Left and Right.
5) Press Play on the CD player and play any song.
6) Confirm all Front Panel LED's are Green.
7) Connect the Left Speaker Jumper to Speaker A Zone 1.
8) Slowly increase the Left Gain control while watching Zone 1 Front Panel LED.
9) Zone 1 Front Panel LED will turn Red.
10) You will also hear the internal relay click.
11) Repeat Step 6 through Step 10 for all zones.
12) Remove the Left Speaker Jumper.
13) Cycle the Power of the amplifier under test.
14) Confirm all Front Panel LED's are Green.
15) Connect the Right Speaker Jumper to Speaker A Zone 1.
16) Slowly increase the Right Gain control while watching Zone 1 Front Panel LED.
17) Zone 1 Front Panel LED will turn Red.
18) You will also hear the internal relay click.
19) Repeat Step 15 through Step 18 for all zones.
The settings for each zone should be as follows before repacking:
1) Adjust Left and Right gain controls fully counter clockwise.
2) Set the Stereo/ Bridge Mono slide switch to the Stereo position.
3) Adjust the Delay Time control fully counter clockwise.
4) Set Line In/Bus In slide switch to Line In for all zones.
COMPLETE ANY NECESSARY PAPERWORK AT THIS POINT, REMEMBERING
TO KEEP TRACK OF THE SERIAL NUMBER. BE SURE TO CONFIRM THE
SERIAL NUMBER ON THE R850MC OR R1250MC IS THE SAME AS THE
OUTSIDE OF THE BOX.
THE TEST PROCEDURE IS COMPLETE.
JWGood 03/23/05
R850MC & R1250MC
Test Procedure
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