The Spektrum Team has been investigating sporadic reports from DSMX transmitter owners using their products in DSM2 mode. We have discovered that in some rare instances, DSMX equipped transmitters with the Product ID (PID) within this bulletin, may have a backwards compatibility issue that could cause a "hold" with the following superseded DSM2 receivers: AR500, AR6100, AR6100E, AR6110, AR6110E, AR6200 and AR6300.
Note: This bulletin does not apply to DSM2 only transmitters.
If you have a DSMX transmitter with one of the following PIDs, please complete the Transmitter Service Request Form to receive a prepaid shipping label to send your transmitter to Horizon Hobby for a free firmware update.
The PID is located in the battery compartment of your transmitter.
Transmitters with affected PIDs may be found in the following products:
Blade mCP X RTF (BLH3500), E-flite Apprentice 15e RTF (EFL2725), Hangar 9 Alpha 40 DSM2 RTF (HAN4400) ,Hangar 9 P-51 Mustang MkII PTS RTF (HAN4425), Hobbyzone Super Cub DSM RTF (HBZ7400), ParkZone Radian RTF (PKZ4700), ParkZone P-51D BL DSM RTF (PKZ2200), ParkZone F4U Corsair RTF (PKZ4600), Phoenix R/C Pro Simulator 3.0 with DX5e (RTM30R5510/RTM30R55101).
PID's beginning with one of the following prefixes: HS, HH, HT, HE, HA
PID's beginning with one of the following prefixes: HS, HH, HT, HE, HA, HO, HM, HR
PID's beginning with the following prefix: HA
PID's beginning with the following prefix: TM
We apologize for this inconvenience. Horizon disclaims all liability and warranties for any consumer failing to act upon this product bulletin. Always check your transmitter and equipment prior to each flight.