Davtron M850B Instructions

Browse online or download pdf Instructions for Clock Davtron M850B. Davtron M850B 2 pages.

Print Page
M E C H A N I C A L
2.90
1.46
.125
TYP 45°
4 PL.
M850B
2.250
+.005-015
4-40 CS
82° TYP
Locking Connector
4 PL.
Positronics MD9F-20J-VL0
E L E C T R I C A L
Alarm Out
Keep Alive .00004A
5
9
Ground to start Flight Time
4
Dimming 5V, 14V or 28V lighting
8
3
4V to 28V Starts Flight Time
7
Serial Clock Data (Option)
2
6
14 to 28 Volts, 0.2 Amps (FUSE OR BREAKER AT 1AMP)
1
Serial Clock Data (Option)
GND
NOTE: Keep alive (Pin 9) is only required if CR2032 battery is removed. Flight Time starts
with either Pin 3 or Pin 4 - use only one pin.
S P E C I F I C A T I O N S
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.
Count Down Time: Settable from one
second to 59 minutes, 59 seconds.
Count Down Time Alarm: Activates at zero
when counting down.
FRONT MOUNT
2.375
TYP.
M850B
M850B
CHRONOMETER
CHRONOMETER
23:59
23:59
2.375
1.875
TYP.
GMT
LT
FT
ET
CDT
GMT
LT
FT
SELECT
CONTROL
SELECT
SEL
CTL
SEL
REAR MOUNT
1.875
Audio Alarm
(Optional)
14V - 28V
- +
+
Aircraft Battery
.25A
LED Displays: Sunlight readable.
Automatic Dimming.
Battery Type: CR2032.
Polarizing Filter.
Keep Alive Current: .00004 Amps.
Input Current: .2 Amps.
Input Voltage: 14 to 28 Volts
Backlight: 5V, 14V, or 28V - user selectable.
Weight: 5 ounces MAX.
Warranty: 1 year.
427 HILLCREST WAY
REDWOOD CITY (Emerald Hills), CA 94062
(866) 369-5588
www.davtron.com
DIGITAL CLOCK
2.238
ET
CDT
CONTROL
CTL
F E A T U R E S
Two button control system is natural and error-
free. Setting operations are identical for both
alarm and time setting. Patent Pending.
Bright sunlight readable LED displays.
Illuminated buttons and annunciators for night
viewing.
Flight Time recorded in hours and minutes or
in hours, tenths, and hundreds.
GREENWICH MEAN TIME
LOCAL TIME
FLIGHT TIME - Flight Time Alarm
ELAPSED TIME - Count Up, *Countdown, Alarm
COUNT DOWN TIME - Countdown, Alarm
Serial time data option
Flight time alarm with external output.
Elapsed time with countdown timer with alarm.
Count Down Time with alarm
Crystal precision time reference.
M850B
LED Display