IBM 5100 Basic Reference Manual page 162

158
BASIC Checkout Procedure
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1. After power has been on 20 seconds, the display screen should show:
II...Cl('~D
0
U~EADY
\
Underline (cursor) flashes on and off
NNNNN
Nulber of character positions (bytes)
in work area
If the display screen does not show the above information, check the
following top panel switches:
a. Turn the BRIGHTNESS control to get the best character definition.
b. Set the DISPLAY REGISTERS switch to the NORMAL position.
c. Set the L3264 R32 switch to the center (64) position.
d. Set BASIC/APL switch (on the combined machines only) to the BASIC
position.
e. If the information displayed is not as shown above, press the RESTART
switch. This recycles a portion of the power-on sequence. If the infor-
mation displayed is still not as shown above (after the 20-second delay),
call for service.
./
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