REMEMBER
Turn OFF the socket switch whenever you change EPROMs.
Be sure the notched end of the EPROM faces away from you.
If improperly Inserted, you will damage the EPROM.
4. Press function key LflJ. Ttie screen will go Dlank, ana tnen display:
BLANK CHECKING
During the time this message is on the screen, the computer is checking
the EPROM in the socket to see if it is blank (erased).
a. If the EPROM Is not blank, the screen will display:
EPROM NOT BLANK
SET SOCKET SW=OFF
AND REMOVE BAD EPROM
INSERT EPROM TO PGM
SET S0CKET=0N
PRESS FUNCTION KEY 1
TO CONTINUE
OR
PRESS FUNCTION KEY 3
TO RETURN
This feature prevents you from inadvertently "writing over" a previously
programmed EPROM. After you install a known blank (erased) EPROM, press
function key [fl]. The computer will return to step 4 (above). Pressing
function key [f3] will return the computer to the previous menu.
b. If the EPROM is blank, you may proceed with the programming
procedure. Ttie screen will display:
SET SWITCH:
BURN/PROG=BURN
PRESS FUNCTION KEY 1
5. After flipping the BURN/PROG switch to BURN, the red LED will
come on.
Press function key [fl]. Ttie screen will go blank, and then display:
PROGRAMMING
During the time this message 1s on the screen, the computer Is actually
burning the EPROM. After programming Is complete, the screen will display:
SET SWITCH:
BURN/PR0G=PR0G
PRESS FUNCTION KEY 1
6. After flipping the BURN/PROG switch to PROG, the red LED will
go out.
Press function key [fl]. The screen will go blank, and then display:
VERIFYING
During the time this message is on the screen, the computer is checking
the EPROM In the socket to see if it has properly accepted the program.
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