Bird Technologies SA-4000 - Manual (Page 115)

Maintenance
105
EPROM Replacement
The EPROM should not need to be replaced by the
user. If the EPROM does ever need to be replaced, it
should only be replaced by qualified service personnel.
☞
NOTE: The Model SA-2500A uses flash-
programmable ROM. It is not necessary to replace
the EPROM to upgrade the firmware.
y Make sure the power is turned off and the ac
adapter is removed from the unit.
y Lay the Site Analyzer, display side down, on a clean
surface.
y Remove the battery. Follow the instructions in
“Battery Replacement”, page 102.
y Remove the label covering the Reset and EPROM
access. Refer to the figure below.
y
Move the battery wires away from the EPROM.
y Remove the EPROM with an EPROM removal tool.
y Insert the new EPROM in the socket, keeping it in
the same orientation as the old one.
y Put the battery wires back in place.
y
Place a new label over the Reset and EPROM access.
y Replace the battery and battery cover. Follow the
directions in “Battery Replacement”, page 102.