Logitech HARMONY EXPRESS Guide De Démarrage Rapide page 7

The mini-blaster can be used to extend the blaster's infrared range, for example
into a cabinet with closed doors It connects into the back of the blaster
Connect your mini-blaster to the jack behind the blaster
mini-blaster
mini-blaster
Charge your remote
The remote can charge from any USB port or AC adapter
Plug it in, and keep charging until setup is complete The remote's ring will pulse
when charging
Always keep your remote in the same room as your blaster to optimize
communication
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