We are pleased to announce that the UD-505/NT-505 Ver1.53 firmware update is now available.
Updates

• External clock synchronization is now possible for COAXIAL/OPTICAL digital audio input.
• It is now possible to synchronize to the same external clock as the PD-505T for playback.
• Fixed a problem in which the STANDBY/ON button on the remote control could not turn on the power.

UD-505 V1.53 : Download page
NT-505 V1.53 : Download page