[. . . ] 43003-031D GAI-TRONICS® CORPORATION A HUBBELL COMPANY Model XCP0300A Navigator Upgrade Kit Field Installation Kit Instructions Confidentiality Notice This manual is provided solely as an operational, installation, and maintenance guide and contains sensitive business and technical information that is confidential and proprietary to GAI-Tronics. [. . . ] Disconnect power from the ICP9000 Navigator Series MCU and remove all attached cables from the rear panel. Remove the 10 screws securing the side cover panel and gently lift the cover off. On each slave PCBA (CP-CSD) locate U502 EPROM socket and extract the EPROM. Replace them with the Slave EPROM (SLAV**) provided in this kit, taking care to observe the direction indicated on the socket of the EPROM. Remove the 4 screws holding the inner PCBA mounting plate to the main enclosure. This allows you to remove the inner PCBA mounting plate to gain access to the main PCBA. Refer to Figure 1. Figure 1. f:\radio products-draft\gtc 43003\43003-031d\43003-031d. doc 12/10 Model XCP0300A Navigator Upgrade Kit Pub. Replace it with the Master EPROM (MAST**) provided in this kit taking care to observe the direction indicated on the socket of the EPROM. [. . . ] Verify that all of the cables have been reconnected back to their respective connectors as you proceed through the steps. f:\radio products-draft\gtc 43003\43003-031d\43003-031d. doc 12/10 [. . . ]