Philips intelligent remote control User Manual page 15

The light on the front of the recharging dock turns off when the batteries are
fully charged. The charging time is 2 to 3 hours, depending on the condition of
the battery pack. It's a good idea to place the remote control on the recharging
dock when you're not using it.
When the battery is running low, the Low Battery icon
top of the display. The remote control may continue to operate your equipment
with low batteries. However, you won't be able to use the remote control's
learning or customizing features.
Use the recharging dock only with the NiMH rechargeable
IMPORTANT
battery pack. The dock won't recharge ordinary AA batteries, and if AA batteries
are installed, the remote control can't get power from the dock while resting on
it.
Place the remote control
on the recharging dock.
You can use the remote
control while it's being
recharged. The battery
will not run down.
Light is on while
battery is
charging.
blinks at the center
Using the recharging dock 13