Nikon D7200 body - Manual (Page 102)

102 Menu Guide
Selecting Enable release allows the shutter to be released when
no memory card is inserted, although no pictures will be
recorded (they will however be displayed in the monitor in
demo mode). If Release locked is selected, the shutter-release
button is only enabled when a memory card is inserted in the
camera.
If ( W) is selected, the exposure indicators in
the control panel, viewfinder, and information display are
displayed with negative values on the left and positive values on
the right. Select
( V) to display positive
values on the left and negative values on the right.
f7: Slot Empty Release Lock
G button
➜ A Custom Settings menu
f8: Reverse Indicators
G button
➜ A Custom Settings menu