SOENNECKEN CS 500 Bedienungsanleitung Seite 2

GENERAL
(1) Display indicators - (E) Error, (-) Minus sign, (M)
Memory in use.
(2) Your calculator is equipped with DUAL POWER
sources.
Dual Power (automatic):
In the event you forget to turn off your calculator, the
auto cut-off will shut down the calculator approximately
8 minutes after the last key entry.
(3) To reactivate the calculator, push the [ON/C.CE]
key once.
(4) To cancel one entry on a calculation, push the
[ON/C.CE] button.
INFORMATION
It can be operated either by battery or
solar power. The unit will switch to
battery or solar power automatically
regarding to the light situation.