Transport panel

The small button above the STOP key is the Alt key.
The small button below the VTR4 key is the Ctrl key.
Holding them down while hitting other keys allows certain alternate functions or shortcuts .

Alt + 3rd Blue Knob Gang 1st, 2nd and 3rd Blue knobs,
useful for ganging RGB channels
Alt + 6th Blue Knob Gang 3rd, 4th and 5th Blue knobs,
useful for ganging RGB channels
Ctrl + Lower Blue Knobs Gang Upper and Lower Blue knobs
Shift + Alt Gate blast for some film transports
Alt + RGBYCM Access second set of Mega1 channels
Alt + Drag Lum bar Copying a Mega2 channel
Film transports
Alt + CUE In COPY will cue source to last frame of event,
rather than trim frame
Alt + TK Switch the source machine between Wild and Player.
Alt + PLAY FWD Quadra and Spirit, 6fps forward,
useful when setting light levels
Alt + Framing Keys Adjust focus on some film transports
Vtr transports
Alt + VTR1, 2, 3 or 4 Switch the vtr machine between Wild, Player and Recorder
Ctrl + VTR1, 2, 3 or 4 Switch the vtr machine between playback and EE
Alt + INCH Moves by frame, rather than field
Alt + PLAY FWD Toggle between 1/2 speed and x5 forward
Alt + PLAY REV Toggle between 1/2 speed and x5 reverse