Instruction Manual 1. Scope The Bacharach Remote Display (for use with the MultiZone or MZ family of gas monitors) is designed for easy maintenance and enhancement. One element of that design is the ability to replace system programming (firmware) with a simple plug-in microprocessor module, minimizing downtime.
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After the microprocessor module is replaced, you may reconfigure these settings. 4. Accessing and Removing the Old Microprocessor Board To gain access to the microprocessor board follow the procedure below.
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5. Note the orientation of the module, specifically the gold tab and hole oriented on the bottom left of the board. 6. Grasp the left and right edges of the microprocessor module and gently pull straight out while rocking left to right, until it comes free of the socket.
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1. Insert the plastic snap-in spacer into the securing hole on the mother board. See figure below. 2. Remove the new microprocessor module from its packaging, being careful to handle the board by the edges only. 3. Orient the new microprocessor so the gold tab and hole are at the bottom left corner.
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Microprocessor Module Replacement Kit for the Remote Display Figure 4. Option B Installation NOTE : As a guide, align the larger hole on the microprocessor module with the top of the snap-in spacer. If aligned properly, the pins will align with the main board socket and the hole in the microprocessor board will align with the top connector of the snap-in spacer.
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Microprocessor Module Replacement Kit for the Remote Display Headquarters: 621 Hunt Valley Circle, New Kensington, PA 15068-7074 Toll Free: 1-800-736-4666 • Tel: +1-724-334-5000 • Fax: +1-724-334-5001 Website: www.MyBacharach.com • E-mail: help@MyBacharach.com Printed in U.S.A. ® Registered Trademark of Bacharach Inc.
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