Dataman S4 Manual page 3

DATAMAN S4 MANUAL
Confirming that S4 works
Switch on and rotate the display thumb-wheel
away from you to its full extent, which darkens the
display. Adjust for best contrast, which depends
on viewing-angle and temperature.If a LIBRARY
program is loaded, S4 will display the version
number:
DATAMAN S4 LIB 1.1
128K BYTES RAM
>
If you see this message then you may carry on and
use S4. Store the LIBRARY ROM somewhere
safe, in a piece of conductive foam. If there is
nothing in the display turn up the contrast by
rotating the thumbwheel on the left of the display
away from you to its fullest extent. If still nothing,
perhaps the battery is totally discharged. Plug the
charger in with the RESET button depressed and
hold it in for a few seconds. When you release it
you will see a message:
DATAMAN S4 BIOS
1.1
128K BYTES RAM
NO LIBRARY LOADED
Loading the LIBRARY ROM
Reloading S4's software
LIBRARY ROM is not something you should
need to do to a brand new product. In fact
you should never need to do it at all, except
when a new version of the working program is
Introduction to S4
program from
3