4XCamera Body (Continued)1234567128911101 AF-assist illuminator....................286Self-timer lamp.............................107Red-eye reduction lamp.............1832 Sub-command dial ......................3173 Depth-of-field preview button................................. 63, 117, 315, 3224 Fn (function) button................................. 83, 191, 311, 3215 Power connector cover...............3916 Battery-chamber cover latch....... 217 Battery-chamber cover ................. 218 Contact cover for optionalMB-D12 battery pack ..................3879 Tripod socket10 Lens mount............................. 25, 10211 CPU contacts12 Body cap.................................. 24, 389A LCD IlluminatorsRotating the power switch toward Dactivates the exposure meters andcontrol panel backlight (LCDilluminator), allowing the display tobe read in the dark. After the powerswitch is released, the illuminators willremain lit for six seconds while theexposure meters are active or untilthe shutter is released or the power switch is rotated toward D again.Power switch