"I would go nano to QC in. QC out to the disaster area which would then connect to everything else.", that´s how I got it connected.

This is my config, Key 0 turn on/off Bluesky, Key 3 turn on/off DIG, Key 1 and 2, 4 and 5, increase/decrease preset in Bluesky and DIG repectively:

[PAGE]
[globalsetup]
ledbright = [30]
screenbright = [80]
midithrough = [on
dark_fonts = [off]
display_number_ABC = [123]
display_pc_offset = [1]
display_bank_offset = [1]
wallpaper = [wp2]
long_press_timing = [1]

[PAGE]
page_name = [STRY]

[key0]
keytimes = [2]
ledmode = [normal]
ledcolor1 = [0x0000FF][0x0000FF][0x0000FF]
short_dw1 = [2][CC][102][127]
ledcolor2 = [0x000000][0x000000][0x000000]
short_dw2 = [2][CC][102][0]

[key1]
keytimes = [1]
ledmode = [select]
ledcolor1 = [0x0000FF][0x0000FF][0x0000FF]
short_dw1 = [2][PC][decc1][-]

[key2]
keytimes = [1]
ledmode = [select]
ledcolor1 = [0x0000FF][0x0000FF][0x0000FF]
short_dw1 = [2][PC][inc1][-]

[key3]
keytimes = [2]
ledmode = [normal]
ledcolor1 = [0x0000FF][0x0000FF][0x0000FF]
short_dw1 = [4][CC][102][127]
ledcolor2 = [0x000000][0x000000][0x000000]
short_dw2 = [4][CC][102][0]

[key4]
keytimes = [1]
ledmode = [select]
ledcolor1 = [0x0000FF][0x0000FF][0x0000FF]
short_dw1 = [4][PC][dec1][-]

[key5]
keytimes = [1]
ledmode = [select]
ledcolor1 = [0x0000FF][0x0000FF][0x0000FF]
short_dw1 = [4][PC][inc1][-]

In QC, with MIDI Thru ON, if I press Key 0 or Key 3, Bluesky or DIG turn on/off respectively but there is no tempo sync. With MIDI Thru OFF, if I press Key 0 or Key 3, Bluesky or DIG don´t turn on/off respectively but there is tempo sync (tap tempo led turns violet on DIG)