I’m not sure what “dl 1425bin upd” refers to. Possible interpretations:
Workaround for older sets: If you are using a slightly older set, you can sometimes extract qsound.bin from the qsound.zip, rename it to dl-1425.bin, and place it in the qsound_hle.zip file, though a fresh set update is recommended. dl 1425bin upd
Most devices require a specific key press or jumper short during power-on to enter update mode. Common triggers: I’m not sure what “dl 1425bin upd” refers to
Be Cautious with Links: Especially in emails or messages; verify the authenticity of links before using them to download updates. Obsolete Files: Your qsound
This unit is designed for organizing small parts, hardware, and tools in garages, workshops, warehouses, and industrial plants.
Obsolete Files: Your qsound.zip contains the older, deprecated qsound.bin instead of dl-1425.bin.
dl 1425bin upd then press Enter.dl 1425bin to transfer, then upd to flash.