Upload the updated software to ensure the best performance and function for your SP-1 Download the updated software to ensure the best performance and function for your SP-1. Unzip the file to retrieve the .S19 software file, and save it on a USB stick. Make sure you EJECT / Safely remove the USB from your MAC/PC, as unsafe removal of the USB stick can block the update procedure. - connect the USB stick to the SP-1 SW input on the rear panel - shut-off mains power (switch next to power cord) - press and hold stand-by switch on front while switching on mains power - when display shows 'Updating....' you can release the stand-by switch Note: if the updating takes more than 10 minutes, your USB stick is not compatible with the SP-1 - Aborting the updating is not causing problems. - Try Using other USB sticks UPDATE RELEASE HISTORY: 2.47a - Added support for Marine Speaker. 2.46a - Added support for Model A. - Added support for Model D setup with A1 amplifiers. 2.44a - Simple stereo setup with model O will now accept A2-amplifier as well, using the first 2 outputs only. 2.42a - Added new speaker setup for Model O speakers. 2.35a - Added when in standby mode, direct source select from serial port will now turn on the SP-1. 2.32a - Added speaker setup for Model O speakers. U2.29a - Added speaker setup for Model B speakers. 2.19a - Added menu for "Volume Indication" on/off (Blinking volume when not yet stable) - Added menu for "Direct power on" on/off (When on, the SP-1 powers on directly instead of going to standby) - Added different behaviour for "menu" and "back" buttons on new remote. - Added display-info toggle for CDP-1 when selected on PiP - Added repeat-toggle for CDP-1 when selected on Audio - Added random-toggle for CDP-1 when selected on Setup 2.18a - Fixes in flash-layout to make more space. - Bugfix for RP waiting forever on volume, when voicing_gain was non-zero. - Added support for new Steinway-remote.