Davtron M877 Schnellstart-Handbuch
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MECHANICAL
2.375
TYP.
1.875
TYP.
2.22
3
Mounting Hardware 4-40x
/
8
ELECTRICAL
Alarm Out
Keep Alive .00004A
5
Ground to start Flight Time
9
4
Dimming 28V at 50MA, 5v or 14V available
8
4V to 28V Starts Flight Time
3
7
Serial Data Output/optional
2
6
14 to 28 Volts, 2A
1
Serial Clock Output/optional
GND
NOTE: Keep Alive (Pin 9) is only required if alkaline AA size battery is removed. Flight Time starts with either
Pin 3 or Pin 4 – use only one pin.
SPECIFICATIONS
Greenwich Mean Time: 24 hour format.
Local Time: 12 hour or 24 hour format.
Flight Time: Records in 99:59 standard,
99.99 hour option.
Flight Time Alarm: Full set range flight time.
Elapsed Time Count Up: Starts in minutes,
seconds, then hours, minutes up to 99:59 hrs.
Elapsed Time Count Down: Settable from
one second to 59 minutes, 59 seconds.
Elapsed Time Alarm: Activates at zero
when counting down.
2.10
1.375
Alkaline "AA" Battery
M877
Locking Connector
Positronics MD9F-20J-VL
1.675
.080
2.83
Audio Alarm
(Optional)
14V - 28V
- +
+
Battery
.25A
Incandescent Displays Readable in sunlight.
Automatic Dimming
Battery Type: AA size alkaline.
Polarizing Filter
Keep Alive Current: .00004 Amps.
Input Current: .2 Amps.
Input Voltage: 14V - 28V
Backlight available 5V, 14V or 28V lighting.
(Specify when ordering)
Crystal Reference: -40C to + 60C .001%.
Weight: 5 ounces.
Warranty: 1 year.
427 HILLCREST WAY
REDWOOD CITY (Emerald Hills) CA 94062
(650) 369-1188
www.davtron.com
DIGITAL CLOCK
GREENWICH MEAN TIME
LOCAL TIME
FLIGHT TIME - Flight Time Alarm
ELAPSED TIME - Count Up, Count Down, Alarm
FEATURES
Two button control system is natural and error
free. Setting operations are identical for both
alarm and time setting. Patent Pending.
Bright sunlight readable incandescent displays.
Illuminated buttons and annunciators for
night viewing.
Flight Time recorded in hours and minutes or in
hours, tenths, and hundredths.
M877
Incandescent Display
Serial time data output for remote use.
Flight time alarm with external output.
Elapsed time count down timer with alarm.
Temperature - Compensated crystal oscillator
to maintain precision time reference.