MCA-C3 Test Procedure
Page 35 of 77
240V AC Test
Important!!!
Read This Note
Note: If this is the first time you turned on the MCA-C3
after loading firmware, then
Section 10. Tuner MCU Firmware Step 22 will occur.
1. Connect the MCA-C3 by following the Initial Test Setup Section.
2. Set the AC100V~/AC240V~ switch to AC240V~ on the MCA-C3.
3. Connect 240V AC to the MCA-C3.
4. Set the Controller ID Switch of the MCA-C3 to Position 1.
Note: Step 5 and 6 will perform as written if the note above was
completed first.
5. Turn on the MCA-C3.
6. Observe the Front Panel LED’s of the MCA-C3.
a) Each Zone LED will illuminate solid until all Zone LED’s illuminate.
b) Then all LED’s will go dark. This is the MCA-C3 Booting up.
7. All MDK-C3 keypads momentarily illuminate displaying Controller
Detected information and then go dark. The MCA-C3 is ready to be tested.
8. Set the RCK to Zone: 1 Source: 1.
9. Turn on the Zone 1 MDK-C5 Keypad.
10. Turn on the Zone 2 MDK-C5 Keypad. (Trigger two will turn on)
Trigger 2 connects speaker to the MCA-C3 via the test fixtures.
11. The FM Dial should appear.
12. Tune to a local radio station on the MDK-C5 connected to Zone 1.
RDS data will display on both keypads.
You should hear the radio station playing clearly from both speakers.
13. Turn off the MCA-C3.
14. Unplug the 220V AC Cord from the rear of the MCA-C3.
15. Continue by performing the “110V AC Test” section.
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