Sumo SL001 - Manual (Page 10)

Remote Control Operation
The.remote.controls.drive.two-player.(two-player.mode).and.one.
player.vs..artificial.intelligence.(one-player.mode)..
Note:.During.A.I..(artificial.intelligence).mode,.all.remote-control.
functions.are.deactivated..
1.. .To.use.a.remote.control,.after.battery.installation,.the.unit.
must.be.calibrated.
2.. .To.calibrate.a.remote.control,.move.its.joystick.in.a.circular.
motion.around.its.outermost.perimeter.
3.. .The.remote.controls.have.an.operational.range.of.approxi-
mately.six.feet..Do.not.block.or.cover.the.infrared.sensor.
located.on.the.front.of.the.remote.units.as.malfunctions..
may.occur..
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