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13) When do I "Initialize The Microprocessor" (reset) and why?
You’ll rarely need to "initialize the microprocessor" under normal operating conditions. In a few cases, the microprocessor will temporarily freeze or "lock up" just as your home computer does. When this happens, just follow the guidelines in the back of your owner’s manual to "unlock" the microprocessor and restore normal operation. (This is directly comparable to rebooting your computer. It’s an electronic wake up call to your unit’s temporarily paralyzed microprocessor "brain.")
If you experience some unusual behavior -- a channel that’s suddenly silent, "forgotten" level adjustments, some eccentricities in your unit’s Personal Memory Plus system, etc. -- you may need to reset the microprocessor. Of course, you should check all connections carefully first. But if you’ve eliminated these items as a source of potential problems, you may need to go through the initialization process.)
Initialization is easy. For the AVR-3600 and AVR-5600 receivers, for example, just turn the unit off with the front panel power switch. Then press and hold both the "AC-3 RF" and "Phono" simultaneously while you turn the unit back on. (Use the same front panel power switch.) That’s all that’s involved.
What causes these problems? Several things can -- a jolt of static electricity, a current surge through an antenna input, etc. But don’t worry, the microprocessor is well shielded from any permanent effects.
When you do initialize the microprocessor, remember that this erases any setup instructions you may have previously programmed into the unit. However, the on-screen menu will quickly get you through a new setup. And, if you write down your preferred settings BEFORE you reset your unit’s microprocessor, you’ll have an even easier job!