MZC-88 Installation Instructions Page 9
5. MOUNTING PLATE – Standard plate allows the keypad module to be attached to standard in-wall J-Boxes using the 2
screws provided. Also allows attachment of standard and screw-less, snap-on decorator type cover plates.
6. IR RECEIVER LENS – The MKP-8.1 includes SpeakerCraft’s exclusive ANS (Ambient Noise Suppressor) IR Receiver, built-in.
The IR Receiver allows use of a handheld remote for control of the system and IR controlled source components.
7. EZ-CONNECT TERMINALS – These seven spring-loaded terminals accept wire sizes 14 to 28 AWG for connection of
the following:
• +RELAY/–RELAY – For connection of the external EPR-1.0 EZ-Pad Relay Speaker Muting Module. (Refer to
Designated Relay Mute Key section and Figures 6 & 19).
• +12V DC – Powers the Keypad, including the internal IR Receiver on models MKP-8.1 and MKP-1.1.
Includes reverse voltage protection.
• IR/IO – Sends IR control signals for control of system components.
• GND – Return for Power, IR signal and Data.
• 485 A/485 B – Balanced, bi-directional system communications data.
8. FUNCTION BUTTONS – These lower 5 buttons (4 buttons on the MKP-8.1) are primarily used for volume, mute and
power, but can also be programmed for any function except source select. These buttons glow a low-level background
green and do not change color when pressed. Button background lighting can be programmed to go off after a set
time of inaction, or stay on continuously as programmed in EZ-Tools.
9. NUMERIC AND FUNCTION BUTTONS – These buttons are used for direct numeric access of discs and tracks, selec
-
tion of tuner presets, transport functions and menu navigation. All numeric and function buttons, including those on
the Master Keypads, glow a low-level background green and do not change color when pressed. This background
lighting can be programmed to go off after a set time of inaction, or stay on continuously as programmed in EZ-Tools.
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