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Midcontinent MD93 Series, Installation Manual And Operating Instructions

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Midcontinent MD93 Series Installation Manual And Operating Instructions Download Page 18

 

Mid-Continent Instruments and Avionics 
Revision D, March 21, 2016 

 

Manual Number 9018205 

18 

 

TIMER

 

Display

 

Countdown

 

time

 

is

 

displayed

 

with

 

hours

 

flashing.

  

Pressing

 

the

 ‐

/+

 

buttons

 

decrements/increments

 

hours.

Timer

 

HOURS

 

Set

Timer

 

MINUTES

 

Set

Countdown

 

time

 

is

 

displayed

 

with

 

minutes

 

flashing.

  

Pressing

 

the

 ‐

/+

 

buttons

 

decrements/increments

 

minutes.

Press

 

&Hold

 

MODE

 

for

 

2

 

sec

Press

 

MODE

Timer

 

SECONDS

 

Set

Countdown

 

time

 

is

 

displayed

 

with

 

seconds

 

flashing.

  

Pressing

 

the

 ‐

/+

 

buttons

 

decrements/increments

 

seconds.

Press

 

MODE

Press

 

MODE

If

 

UP

 

is

 

selected

If

 

dn is

 

selected

If

 

00:00:00

 

is

 

displayed,

 

TIMER

 

is

 

in

 

elapsed

 

(stopwatch)

 

mode.

  

If

 

value

 

other

 

than

 

all

 

zeroes

 

(e.g.

 

00:02:00)

 

is

 

displayed,

 

then

 

TIMER

 

is

 

in

 

countdown

 

mode.

  

Pressing

 

the

 

+

 

button

 

will

 

start

 

and

 

stop

 

the

 

timer

 

operation

 

(either

 

elapsed

 

or

 

countdown).

  

Pressing

 

the

 

– button

 

will

 

reset

 

the

 

timer

 

only

 

if

 

it

 

is

 

stopped.

UP/

dn

Select

Displays

 

current

 

mode,

 

UP

 

(for

 

elapsed

 

timer)

 

or

 

dn (countdown

 

timer)

 

in

 

seconds

 

location.

  

Pressing

 

either

 

– or

 

+

 

buttons

 

toggles

 

between

 

UP

 

and

 

dn timer

 

modes.

 

Press

 

MODE

 

Figure 12 

Elapsed Timer Operation 

5.3.5  Display Test Mode 

To test the MD93 display, press and hold both +/- buttons for 2 seconds. After 2 seconds all clock 
digits shall display 8’s (e.g. 88:88:8.8) and all annunciators shall be activated until the +/- buttons 
are released.  Refer to Figure 13 below. 

 

Figure 13 

Display Test Mode

 

 

Summary of Contents for MD93 Series

Page 1: ...Digital Clock USB Charger Mid Continent Instruments and Avionics Mid Continent Instrument Co Inc dba Mid Continent Instruments and Avionics 9400 E 34th Street N Wichita KS 67226 USA Manual Number 9018205 PH 316 630 0101 FX 316 630 0723 Revision D March 21 2016 ...

Page 2: ... has been made to keep it free of errors some may occur When reporting a specific problem please describe it briefly and include the manual part number the paragraph figure table reference and the page number Send your comments to Mid Continent Instruments and Avionics Attn Technical Publications 9400 E 34th Street N Wichita KS 67226 USA PH 316 630 0101 FX 316 630 0723 ks customerservice mcico com...

Page 3: ...014 Added Environmental Qualification Statement to Section 6 C 03 12 2015 Added Qualifications to Section 1 3 D 03 21 2016 Updates for MOD 1 function enhancements Revised elapsed timer to include countdown timer function Timer reset function operates only when timer is stopped ...

Page 4: ... 4 CABLE HARNESS 10 3 4 1 WIRE GAUGE SELECTION 10 3 4 2 PIN ASSIGNMENT INFORMATION 10 3 4 3 HARNESS VERIFICATION 10 3 5 INSTALLATION 11 3 5 1 DIMMING FUNCTIONS 11 SECTION 4 USB CHARGER OPERATION 12 4 1 DESCRIPTION 12 4 2 OPERATIONAL MODES 12 4 3 PROTECTIVE FEATURES 12 4 3 1 SHORT CIRCUIT PROTECTION 12 4 3 2 OVER CURRENT PROTECTION 12 4 3 3 LOW INPUT VOLTAGE SHUTDOWN 12 4 3 4 OVER TEMPERATURE 12 SE...

Page 5: ...SECTION 6 CONFORMANCE 19 6 1 INSTRUCTIONS FOR CONTINUED AIR WORTHINESS 19 6 2 ENVIRONMENTAL QUALIFICATION STATEMENT 19 ...

Page 6: ...ompliance Plan Early generation or smaller consumer electronics typically accept one 1 0 amp during charging However newer electronics such as tablets and larger devices can accept and in some cases require up to 2 1 amps to charge and operate As a high power DCP the MD93 can provide up to 2 1 amps to charge any USB device including the higher demand products Unlike most dual USB chargers which pr...

Page 7: ...SPECIFICATIONS 1 5 1 Electrical Attributes Input Voltage 10 32 VDC Input Power 31 watts max 2 2 amps 14 VDC 1 1 amps 28 VDC Output Voltage 5 VDC 0 25 VDC per USB port Output Power 2 1 amps max per USB port Efficiency 85 nominal Clock Accuracy Less than 15 seconds per month Table 2 Electrical Attributes 1 5 2 Physical Attributes Weight 0 25 pounds Dimensions not including connector 2 385 inches wid...

Page 8: ... life of the product 2 2 EQUIPMENT LOCATION The MD93 Digital Clock Dual USB Charging Port is designed for a circular rear panel mount configuration allowing for installation in a cockpit or cabin Clearance should be provided for the input mating connector which may require an additional inch of clearance beyond the rear of the unit 2 3 ROUTING OF CABLES Avoid sharp bends in cabling and routing nea...

Page 9: ...CTION When unpacking this equipment make a visual inspection for evidence of any damage that may have occurred during shipment 3 3 PARTS 3 3 1 Included Parts The following parts are included Digital Clock Dual USB Charging Port MCIA P N 6420093 Installation Manual MCIA P N 9018205 Installation Kit MCIA P N 9018178 o Mating Connector 4 pin o Pins 6 4 required 2 spares o Screws 5 6 32 x 3 8 Flat Hea...

Page 10: ...2800 obsolete or 11 01 0200 obsolete See the Molex Hand Crimp Tool User Manual for crimp procedures 3 4 2 Pin Assignment Information See Table 5 for pinout definition and Figure 2 for pin locations Pin Number Signal 1 Aircraft Power 2 Ground 3 Aircraft Lighting Bus 4 Flight Timer Input Table 5 Figure 2 Power Input Connector Pinout MD93 Rear View 3 4 3 Harness Verification WARNING Failure to instal...

Page 11: ...ut A voltage equal to the aircraft bus voltage 100 corresponds to maximum brightness If the lighting voltage is less than 10 of the power input voltage dimming will be automatically controlled by the ambient light sensed by the photocell built into the unit To adjust the brightness range of the clock for optimal daytime and night time viewing as well as balance amongst other panel instruments use ...

Page 12: ...f surviving a short circuit event without permanent damage The unit enters an over current condition so that the average current is significantly reduced and the device is protected 4 3 2 Over Current Protection The MD93 monitors current draw individually on each port During an over current condition the output is turned off until the over current condition is removed Once the overcurrent conditio...

Page 13: ...s removed for well over ten years 5 3 OPERATIONAL MODES The MD93 modes of operation for clock functions are in order local time universal time flight timer countdown and elapsed timer Note When the clock is in local time function there are no annunciations to indicate as this is the default mode of operation The mode button MODE is used to alternate between four different operational modes specifi...

Page 14: ...ements increments hours Current time is displayed Pressing the buttons have no function HOURS Set MINUTES Set 12 24 HR Select Time is displayed with minutes flashing Pressing the buttons decrements increments minutes Note Setting local time minutes also sets universal time minutes Displays current mode 12 flashing or 24 flashing in seconds location Hr shown in minutes location Pressing either or b...

Page 15: ...ed UTC is annunciated Pressing the buttons have no function HOURS Set MINUTES Set Time is displayed with minutes flashing Pressing the buttons decrements increments minutes Note Setting universal time minutes also sets local time minutes Press Hold MODE for 2 sec Press MODE Press MODE SECONDS Display Displays current mode SEC on seconds on or SECoFF seconds off Pressing either or buttons toggles b...

Page 16: ...wn normally in FLIGHT mode is a resettable timer Pressing and holding either or button will display the non resettable flight timer Upon releasing the or button the resettable flight timer will be displayed Note the non resettable timer value may be initially set in diagnostic mode Contact Mid Continent Instruments and Avionics for further details if required For more detailed operation of flight ...

Page 17: ... the timer is stopped Note If the timer is active the user can change modes e g to local time and timer will still remain active but only when power is maintained to the clock For detailed timer operation refer to Figure 12 5 3 4 2 Countdown Timer The countdown timer can be set to a maximum of 99 hours 59 minutes 59 seconds Pressing the button will start and stop the timer Pressing the button rese...

Page 18: ...played TIMER is in elapsed stopwatch mode If value other than all zeroes e g 00 02 00 is displayed then TIMER is in countdown mode Pressing the button will start and stop the timer operation either elapsed or countdown Pressing the button will reset the timer only if it is stopped UP dn Select Displays current mode UP for elapsed timer or dn countdown timer in seconds location Pressing either or b...

Page 19: ...ature High Temperature Altitude 4 4 5 1 4 5 2 4 6 1 Category F1 Short and Normal Operating Low Temp 40C Short Time Operating High Temp 70C Normal Operating High Temp 55C Altitude 55 000 ft Temperature Variation 5 Category S2 Humidity 6 Category B Operational Shock and Crash Safety 7 Category B Vibration 8 Category R Curves C C1 Category U Curve G Explosion 9 Category X Waterproofness 10 Category X...

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