Actually, most of the answers already displayed as above but i just wanna add somemore from i heard. usually whenever there's power failure on the TX or the RX batt...the brake will be engaged. Meaning stop, meaning stop on the track with all the moving cars and will not gone astray like others whose not using PCM & without failsafe. the rest just keep moving like hell loose
but not stop dead. So this is what they said. But of course the final decision is on the organizer.
3PK with HRS is safe to use, right? becoz it is not PCM mode...is it?