Davtron M811C Посібник - Сторінка 2

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M O D E L 8 1 1 C O P E R A T I O N

Davtron Model 811C has an internal lithium battery berfore it leaves

the factory. All three functions of the clock are activated and working.

At this time, Davtron sets the clock function to accurate time of GMT.

The Time, Flight Time and Elaspe Time will hold approximately 5 years

without any addtional power. No aircraft keep-alive necessary.

Aircraft power is required to light the display only.

DISPLAY SELECT

The switch marked Time/F.T./E.T. is a three

position switch that selects the function to be

displayed.

TIME

When the time function is selected, the proper

time will read in hours, minutes, and seconds. The

time channel may be set to local time or G.M.T.

SETTING TO ACCURATE TIME

Davtron sets the clock to the correct GMT time

when it leaves the factory. To change hour, push

Dim/Bright switch to 1hr up position. Each press

or just holding it in the 1hr up position will

increase time by one hour. This setting does not

effect the minutes or seconds. The switch

marked Set is for changing minutes or seconds.

When you hold set switch in UP mode, minutes

will count one per second until 5 seconds elapse,

then minutes speed up to 5 minutes per second.

When you hold set swtich in the D, down postion,

the seconds reset to zero. During the time the

clock is being set, the Elapsed Time and Flight

Time still continue to operate normally. The

Set switch is a momentary switch and automati-

cally returns to the center position.

FLIGHT TIME RECORDER

When the Flight Time channel is selected, the

actual time in ﬂight will be displayed in hours,

minutes, and seconds. The Flight Time channel is

controlled by either applying a voltage to the blue

control lead or ground to the orange control lead.

Anytime during ﬂight the pilot may check total

time in ﬂight. When the aircraft has landed, the

pilot can record total Flight Time. The pilot can

have total Flight Time on a trip with a number of

stops if he avoids returning the Flight Time

recorder to zero. The Flight Time recorder will

Download installation manual www.davtron.com product page M811C

total time up to 99 hours. Normally it is

recommended that the Flight Time recorder be

zeroed on the pre start up check list of the

aircraft. The Flight Time can be zeroed by holding

switch to ZERO for 3 seconds.

ELAPSED TIME METER

When the Elapsed Time channel is selected the

Elapsed Time meter will read in hours, minutes,

and seconds. This recorder is fully controlled by

the pilot from the front panel. It may be started,

stopped and returned to zero for elasped time,

approach, time, etc. Total time up to 99 hours.

ELAPSED TIME COUNT DOWN

When the Elapsed Time channel is selected and

the toggle that controls the ET channel is at stop

your ready to set time for the count down time.

Entering the time is identical to setting time.

Once time is updated for ET, push toggle to run

and time will begin to count down. When the

count reaches zero the displays will ﬂash. Toggle

to the Stop position to stop the counting and

ﬂashing but then you can toggle back to RUN to

coninue counting. Toggle to zero to reset to zero

or you can set back to the previous set time by

holding switch to ZERO for 3 seconds.

DIM POSITION FOR DISPLAY

For night operation a Dim position is provided.

Normal position is B or bright.

CHANGING CLOCK FROM

24 to 12HR:

With unit off, hold Bright/Dim switch

in 1hr up position, turn on unit. Unit is now 12HR.

Repeat steps to switch back.

Battery Removal:

Recommend to remove &

replace CR2032 battery every 5 years.

This switch makes minor time

corrections

Position # 1 (up) is a momentary postion

and sets the clock one minute forward for

every second held in the up position. After 5

seconds, mintues speed up to 5 per second.

Position # 2 is the normal position.

Position # 3 (D) is a momentary position

and resets seconds to zero when selected or

held.

TENS OF

HOURS

TENS OF

SECONDS

This switch selects which chan-

nel is to be displayed

Position # 1 (Time) selects real time. This

channel may be set to G.M.T. time or local

time. Reads in hours, minutes and seconds.

Position # 2 (F.T.) selects Flight Time, reads

in hours, minutes and seconds of actual

ﬂight.

Position # 3 (E.T.) selects Elapsed Time,

reads in hours, minutes and seconds.

This switch sets Bright/Dim, and

makes one hour changes

Position # 1 (B) is the Bright position of the

display for daytime use.

Position # 2 (Dim) is for night time use.

Position # 3 (1 hr. up) is a momentary

position and sets the clock 1 hour ahead for

every time the switch is moved to this

position and released.

TENS OF

MINUTES

SECONDS

This switch control the Elapsed

Time meter

Position # 1 (Zero) is a momentary position

and resets the Elasped Time meter to zero.

The switch returns to position #2 when

released.

Position # 2 (Stop) will stop the Elasped

Time meter.

Position # 3 (Run) starts the Elapsed

Time meter or Count Down Timer.