Harman Kardon AVR 247 Software Upgrade Instructions

File Specifications

Brand: Harman Kardon
Category: Receiver
Model: AVR 247 (Software Upgrade Instructions), prFXcXerpkjBc
File Type: PDF
File Size: —
Pages: 2 pages

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Key Pages of Document

Harman Kardon is pleased to offer this

software upgrade to improve the audio and video performance of your AVR 247 or AVR 347 by updating its internal operating system and video-processing software. Unlike many consumer audio products, which are designed with “fixed” memory, these Harman Kardon® products feature flash memory that is upgradeable through a standard RS-232 serial port.To install the software, please follow these instructions. If you have ...

• If your AVR is not already in Standby mode

with amber-colored lighting around the Standby/On and Main Power switches, follow the instructions to place the unit in Standby mode. Click “Continue” when you are ready to proceed. • The final step before the system upgrade begins is to place your AVR in the Download mode and reset it. Using the tip of a pen or an unbent paper clip, press in on the switch behind the small hole to the right of the RS-232 ...

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