Pioneer AVIC-Z2/XU/UC Service Manual page 222

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3-10(4-10). Soft Version Display
• Software version will be displayed.
• Using [←→] key, pages can be turned.
• Use [↓] key to move to the next item.
• ROM's location for each microcomputer is indicated as "------", ROM's location is not indicated.
• After the inspection is completed, use [AV] key to go back to the main menu.
3-11(4-11). Data communication test (Short)(not for service)
• Perform SIO connection short check.
• Use [MAP] key to start the test.
• When loopback for CH2, CH4, CH8 is OK, all the test channels are supposed to be OK and the screen above will be displayed.
• After the test is completed, use [AV] key to go back to the main menu.
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SERIAL I/O #2(XM) is displayed
UC model only.
AVIC-Z1/UC
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A
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