Boeing 747: Clock

747 Clock by jerome meriweather
	AFT OverHead Glareshield Forward Pedestal
Left to Capt's Source Select or Right to F/O's Source Select Right to Capt's PFD or Left to F/O's PFD To View a Control's Description, MouseOver it and ... Click to "Show" - MouseDown to "Drag" - DoubleClick to "Hide"

747 Photo and/or Graphic Element

CHR Button
Each push starts, stops or resets Chronograph.

GMT Indicator
Displays GMT. Displays GMT and date alternately, if DATE switch is pushed.

Date Button
If pushed, GMT Indicator will alternately displays Date and GMT.

ET/CHR Indicator

ET (Elapsed time) Selector

GMT/Date Set Switch

HSD (hours slew, day) - Advances GMT hours and days.
MSM (minutes slew, month) - Advances GMT minutes or months.
HLD Y (hold, year) - Stops GMT time and sets seconds to zero or advances year.
RUN - Starts GMT indicator counting.