Bematech S-100W Guía De Referencia Rápida página 31

2. When using Keyboard wedge and USB interface for radio communication, it is
not necessary to have an external power adapter if host has sufficient power. But
these interfaces need external power adapter when charging batteries.
Note:
When external power adapter (9V) is available, the cradle will disregard the
power supply from host (5V).
3. If using RS-232 interface, it is necessary to plug an external power adapter
always. Plug the power adapter into the DC-Jack of cradle cable box. (Shown
as Below)
4. Once cradle powers up, its LED lamp lights RED for one second then turns to
flashes BLUE light. The BLUE LED means the cradle is waiting to be connected.
If the scanner pairs with this cradle, they are connected, and BLUE LED light
is always on.
Quick Operation Guide - Wireless Handheld Laser/CCD Scanner
31