User Guide

91
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.
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 page 95 for detailed LED color diagram.
POWER/LINK
A
E F
D
B C
CHARGE/GAME
Charge / Game LED
Charge LED Color Status
Solid Green Battery is completely charged
Solid Red Battery charge in progress
Blinking Red Battery fault
Off Not charging
Charge
LED