Controls a Value that Controls a Low Pass Filter for DC L4/L5 Power Up State L4 Logic L5 Logic Rolling Thunder Channel Value of 0 disables transmitter 868mhz 915mhz Rolling Thunder Frequency 8 max 7 6 5 4 3 2 1 min Rolling Thunder Power Level Rolling Thunder Track Voltage sends track voltage for diagnostics Rolling Thunder Volume Bell1 Bell2 Bell Select Default Horn3 Horn4 Complete Horn Horn Select L4 Light L5 Light L4 follows front/rear on/off L5 follows front/rear on/off Consist L4 Light Broadcast Stop Packet Count