What do the shortcut buttons do, ZAP, CAL, MAG etc...?

'OLED' - Changes display mode, night, day, off.

'DISP' - Cycles OLED display modes allowing the operator to focus on specific information.

'CAL' - A shortcut to Auto Calibrate all motors.

'ZAP' - Like a Preston Microforce. It disables zoom-speed, allowing you to make crash zoom adjustments (high speed). When you disable, the joystick reverts to the slow zoom (as set by the zoom-speed knob).

'MAG' - Activate Mag function on DSMC camera.

'EDGE' - Activate Edge function on DSMC camera.

'FOCUS' - Activate Focus function on DSMC camera 

'DEBG' - Internal function for service dept; makes the controller send constant data (hundreds of packets per second, instead of only sending "changes")

'RXRS' - Internal function for service dept; tells the receiver to reboot itself (we use it to force a Receiver into it's USB bootloader, without having to pull it's power cable).

'MOTS' - Shortcut to the Motor menu.

'LIMT' - Similar to manual calibration. You can limit the range of the Controller axis.