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Model MX88 Page: 15
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2. Press “Power On” button on the front of the MX88 Controller/Amplifier (wait for front panel power LED to
turn on, and the 8 zone LED‟s to stop flashing – usually less than 2 minutes).
3. Power ON the Zone 1 TV/monitor and select the appropriate input (on the TV or monitor).
4. Power ON the Source Component and press play.
5. Place the emitter from IR Emitter Port 1 near the front of the Source Components IR Sensor window.
6. Press “POWER” on the Zone 1 Keypad.
7. Select “SRC1” on the Zone 1 MX88 Keypad.
a) If Source 1 is an Audio/Video component, the video content of the source connected to the Source 1
inputs should be seen on the zone 1 TV/monitor.
b) Press “VOL+” on the Zone 1 Keypad. The Volume bar should move on the Keypad and the audio
content of the source connected to the Source 1 inputs should be should be heard through the Zone 1
speakers.
c) Press “MUTE” on the Zone 1 Keypad. The Zone 1 speakers will mute. Press MUTE again and the
speakers will un-mute. (Pressing VOL+ or VOL- will also un-mute the speakers).
d) Use the source 1 original equipment remote and verify that all source functions operate when aiming
the remote at the Zone 1 Keypad IR sensor.
e) Press “POWER” on the Zone 1 Keypad and verify ALL Status LED‟s on the Controller Front Panel are
OFF.
8. Move the Audio/Video Source component to SOURCE 2 Audio Left/Right and Video Input terminals;
Speakers to Speaker Output #2 and the TV/Video Monitor to Video Out #2.
9. Repeat Steps 5 thru 8 for source/Zone 2 thru 8
Caution: Power voltage for the keypad is transmitted along the CAT5 cable! Incorrect wiring on this cable
can destroy the keypad or touch-panel. Please test the cable connections using a proper CAT5
cable tester or using a multimeter to check Pin to Pin continuity and for possible shorts. Using either
method, it is advisable to measure pins 3 and 6 to verify proper voltage with a multimeter. A 12Vdc
measurement should be read when the positive probe is on pin 6 and the negative probe is on pin 3.
See Figure 10.
MX88 CONTROLLER/AMPLIFIER PHYSICAL LOCATION
1. The MX88 is convection cooled. It depends on the natural free flow of air up through its slot perforations in
and over the internal heat dissipating fins for adequate cooling.
2. Should adequate cooling be desired, external fans and other means of air ventilation can be used.
3. Once installed, your MX88 will have large bundles of wire and cable to accommodate audio, video and
speaker connections. Be sure to allow enough room for the leads and dress them in such a manner so as
not to block airflow.
4. The MX88 is designed for mounting on flat horizontal surfaces.
5. Do not remove chassis feet. They are necessary to provide proper ventilation.