Controller Battery charging will take about 4 hours. While the Controller Battery is charging,
the Charge/Game LED on the Controller will be solid red. When the Controller Battery is fully
charged, the LED will change to solid green. See
Charge / Game LED
Radio Installation and Removal
The Controller is designed to use a variety of Radio types, including the 900 MHz Radio
P/N: 228-2621. Be sure to use the same type of Radio in both the Robot Brain and the
Controller.
Slide the Radio into the Radio Socket. Orient the Radio so the VEX logo faces the top of the
Controller. Press it in firmly.
page 95
A
D
B
C
E
F
POWER/LINK
CHARGE/GAME
Charge
LED
Charge LED Color
Solid Green
Solid Red
Blinking Red
Off
for detailed LED color diagram.
Status
Battery is completely charged
Battery charge in progress
Battery fault
Not charging
91
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