Remote Control Programming Manual
40 Appendixes: Appendix D — Updating the sign’s firmware (EPROM)
Appendix D — Updating the sign’s firmware (EPROM)
Your sign has an internal chip or EPROM that is used to control the
sign. From time to time, the firmware in this EPROM is updated and the
EPROM must be changed.
NOTE: Turn off the sign’s power before continuing.
1. After removing power from the sign, slip off the access panel on
the back of the sign:
2. Using the top and bottom tabs on the EPROM socket, gently pull
the EPROM out of the sign. Then place the new EPROM in the
empty socket and replace the access cover:
EPROM
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