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The M803 is a 24-hour digital clock. It has two buttons to control the clock and a single button to switch between O.A.T. and voltage monitor. There are three display modes for the clock: Universal time, local time, and elapsed time function. A memory feature stores the current time. The O.A.T. mode displays in Fahrenheit or Celsius.
- 5V operation
- 2-1/4" internal mount
- 3 buttons on the face
- Laser engraved faceplate
- Universal time and local time
- Elapsed time with countdown timer
- Elapsed time alarm
- Voltage monitor
- O.A.T. in Fahrenheit and Celsius, includes temperature probe
- Liquid crystal display
- NVG green illumination
- Keep alive battery
- FAA-PMA approved
Universal Time:
24 hour format
Local Time:
12 hour or 24 hour option
Flight Time:
Records in hours and minutes, up to 99:59
Flight Time Alarm:
Full set range of flight time
Elapsed Time Count Up:
Starts in minutes and seconds, then hours and minutes, up to 99:59 hours
Elapsed Time Countdown:
Settable from one second to 59 minutes and 59 seconds
Elapsed Time Alarm:
Activates at zero when counting down
Voltage Range:
8 Volts to 32 Volts ±0.2 Volts Typ. -55°C to +100°C ±0.2°C Typ.
Internal Lighting:
240 mA at 5V, 240 mA at 14V, 100 mA at 28V (specify voltage when ordering)
Keep Alive Current:
0.004 Amps. 12 to 30 Volts
LCD Display
Input Voltage:
12 to 30 Volts
Input Current:
.2 Amps
Battery Type:
AA memory battery
NVIS Option:
NVIS Green A lighting
Volt