Russound R1250MC Installation Manual page 18

Delay 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) Adjust the Delay Time control fully counter clockwise.
4) Set Line In/Bus In slide switch to Bus In for all zones.
5) Place Trigger Test LED's in all zones Trigger Out 12V jack.
6) Connect the CD player to Bus In Left and Right.
7) Press Play on the CD player and play any song.
8) Confirm all Front Panel LED's are Green.
9) Confirm all Trigger Test LED's illuminate.
10) Press Stop on the CD player.
11) Confirm all Front Panel LED's are Red. See Note 1.
12) Confirm all Trigger Test LED's are dark. See Note 1.
Note 1: With Delay Time set at minimum, fully counter clockwise, it will
take approximately 30 seconds for Front Panel LED's to turn Red and
for Trigger Test LED's to go dark.
13) Increase the Delay Time control slightly on all zones.
14) Press Play on the CD player and play any song.
15) Confirm all Front Panel LED's are Green.
16) Confirm all Trigger Test LED's illuminate.
17) Press Stop on the CD player.
18) Confirm all Front Panel LED's are Red. See Note 2.
19) Confirm all Trigger Test LED's are dark. See Note 2.
Note 2: With Delay Time increased slightly it will take approximately 60
seconds for Front Panel LED's to turn Red and for Trigger Test LED's
to go dark.
20) Take a 12V power supply (Russound 1201A with a 1/8" phone jack attached) and
plug into Zone 1 Trigger In. (Power supply must have a rating of 12V 100ma).
21) Zone 1 Trigger Test LED will illuminate and Zone 1 Front Panel LED will turn
Green.
22) Remove the 12V power supply from the Trigger In and the Trigger Test LED will
go dark and the Front Panel LED will turn Red.
23) Repeat Steps 20 through 22 for all zones.
You have confirmed the Delay Time circuit is operating normally.
R850MC & R1250MC
Test Procedure
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