User's Manual

９
Installing the Batteries
【Battery Life】
When battery life goes low, a battery life warning mark ( ) will be displayed
to inform you it is time to replace the battery.
When bat ter y life g oes lower, in orde r to save da ta, the mai n unit
automatically goes into sleep mode and cannot be turned on or operated
as usual. If all battery power disappears, all data will be lost so change the
battery as soon as possible. Also be aware that, if the battery is left out of the
main unit for more than 2 minutes, all data will be lost.
◆ Install 2 AAA alkaline batteries.
●
AAA Ni-Cd and AAA Ni-MH(1.2V) batteries sold on the market can also
be used.
Battery Life Warning
Mark
NOTE:
●
Install 2 of the same kind of batteries.
●
Install the batteries in the correct direction to align + and - .
●
Battery charging via the main unit is impossible.
●
If you use an outside power source, batteries are not necessary.
●
The RTR-57C unit has no battery recharging ability.