Dataman S4 - Manual (Page 3)

DATAMAN S4 MANUAL
Introduction to S4 3
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:
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:
Loading the LIBRARY ROM
Reloading S4's software program from
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