Yamaha AW4416 Operation Manual page 362

AUX7/EFF1 and AUX8/EFF2 screens
It is not possible to send signals from return
channel 1 to AUX7. Likewise, it is not possi-
ble to send signals from return channel 2 to
AUX8. This is to prevent the return signal of
an effect from being accidentally returned to
the same effect, creating a loop.
74
— Reference Guide
Additional functions in the Pre/
Pst IN/Pre/Pst MONI pages
In the Pre/Pst IN/Pre/Pst MONI pages, you can
press the [SHIFT] key to assign the following func-
tions to the [F1]–[F2] keys.
F1 F2
• [F1] (GLOBAL PRE) key
Switch all channels in that page to pre-fader.
This is the same function as the PRE button in
the GBL area 5.
• [F2] (GLOBAL POST) key
Switch all channels in that page to post-fader.
This is the same function as the POST button in
the GBL area 5.