Larsen & Brusgaard Military ALTITRACK User manual

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Military ALTITRACK™
and
ALTISET™
Instruction manual
Rev. 12
LARSEN & BRUSGAARD ApS
Mosevej 3, 4070 Kirke Hyllinge / DENMARK
Phone [phone]
Fax [phone]
E-mail: [e-mail]
Web Site: www.L-and-B.dk

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Index:
1- Introduction.................................................................................................................................. 4
1.1 Features................................................................................................................................. 4
1.2 Software & Functions ............................................................................................................ 4
2 - Description…………………….………………………………………………………………………...5
2.1 Analog Face .......................................................................................................................... 5
2.2 Digital Face............................................................................................................................ 6
2.3 LCD Display........................................................................................................................... 7
3 - Power ON................................................................................................................................... 8
3.1 Before night jumping.............................................................................................................. 9
4 - Jump Mode................................................................................................................................. 9
5 - Power OFF............................................................................................................................... 10
6 - Zeroing, Altitude Offset and mBar adjustment......................................................................... 11
6.1 Zeroing the Military ALTITRACK......................................................................................... 11
6.2 Altitude Offset or mBar adjustment ..................................................................................... 11
7 - Backlight................................................................................................................................... 12
8 - Battery Status........................................................................................................................... 12
9 - Customize the Military ALTITRACK......................................................................................... 13
9.1 SETUP Selector .................................................................................................................. 13
10 - Main Setup Display ................................................................................................................ 14
10.1 Turn the Military ALTITRACK OFF.................................................................................... 15
10.2 Delete Jump ...................................................................................................................... 16
10.3 Set Total Number of Jumps............................................................................................... 17
10.4 Set Total Freefall Time...................................................................................................... 18
10.5 Set Current Date................................................................................................................ 19
10.6 Set Current Time............................................................................................................... 20
10.7 Delete Logbook ................................................................................................................. 21
10.8 MPH / KMH Selector ......................................................................................................... 22
10.9 Feet / Meter Selector......................................................................................................... 23
10.10 (TAS) True Airspeed / (SAS) Skydiver’s Airspeed .......................................................... 24
10.11 Canopy Log Enable / Disable.......................................................................................... 25
10.12 Dive Type Selector .......................................................................................................... 26
10.13 Celcius / Fahrenheit Selector .......................................................................................... 27
10.14 Beep ON / OFF................................................................................................................ 28
11 - Main Selector.......................................................................................................................... 29
11.1 Logbook Screen # 1. (Main Information)........................................................................... 30
11.2 Important Notice About Speed Recordings....................................................................... 30
11.3 Logbook Screen # 2. (Playback, Jump Profile)................................................................. 30
11.4 Logbook Screen # 3. (Date, Time and Dive Type)............................................................ 31
11.5 Logbook Screen # 4. (View Current Time/Date, Temperature and Altitude) .................... 32
12 - Remaining Logbook Storage.................................................................................................. 32
13 - Loosen and Fasten Unbrako Socket Screws......................................................................... 33
14 - Removing/Replacing the Velcro Wrist Mount......................................................................... 34
15 - Replacing the Battery............................................................................................................. 34
16 - Resetting the Military ALTITRACK......................................................................................... 35
17 - Firmware Version ................................................................................................................... 36
18 - Operational Hints and Trouble-shooting ................................................................................ 36
19 - TAS and SAS ......................................................................................................................... 37
20 - Air Filter.................................................................................................................................. 38
21 - Replacing the Air Filter........................................................................................................... 38
22 - ALTISET Remote Control....................................................................................................... 40
22.1 ALTISET Road Map .......................................................................................................... 40
22.2. ALTISET Road Map ......................................................................................................... 41
23 - Military ALTITRACK IrDA Transceiver................................................................................... 42

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23.1 Enable the Military ALTITRACK IrDA port on the ground................................................. 42
23.2 Enable the Military ALTITRACK IrDA port in the aircraft................................................... 42
23.3 ALTISET Programming ..................................................................................................... 42
23.4 ALTISET Data Transmission to Military ALTITRACK ....................................................... 42
24 - Replacing ALTISET Batteries................................................................................................. 43
24.1 ALTISET Trouble-shooting................................................................................................ 43
25 - Specifications, Military ALTITRACK....................................................................................... 44
26 - Specifications, ALTISET......................................................................................................... 45
27 - Warranty................................................................................................................................. 46

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1 - Introduction
1.1 Features
45 deg. offset scale for easy line of sight viewing when mounted on the hand/wrist
Altimeter casing in rugged, precision machined aircraft aluminum
Adjustable electroluminescent backlight for night jumping
Smooth, none erratic pointer movement… step motor controlled
Automatic calibration to local elevation
mBar adjustment to absolute value at Drop Zone (QFE)
Front OLED menu for mBar adjustment, backlight intensity, etc.
Two separate pressure sensing modules for maximum reliability
Freefall and canopy flight computer
IrDA communication with AltiSet (AltiSet is an optional accessory)
IrDA data download
Scratch proof, antiglare lens made from high-impact etched glass
Shockproof and waterproof (5ft./24 hrs)
LCD screen for easy and intuitive operation and information review
Powerful electronic logbook packed with advanced features –easy access by simply
turning over the altimeter
Operational at sub-zero temperatures
1.2 Software & functions
Storing up to 15 minutes of data of each jump with a total of 6.5 hours recording
time (e.g. 200 jumps with two minute profiles).
Records and displays jump details from exit to landing, date, jump number, exit
altitude, opening altitude, freefall time and complete speed statistics for maximum
and average speeds in TAS or SAS
Choice of readings in feet or meters, mph or kmh
Accumulates the total number of jumps up to 19,999 jumps
Replay of any jump stored in the logbook with true pointer movement and display
of speeds, altitudes, etc.
Long lasting ½ AA battery
Velcro strap for fast and easy mounting
LARSEN & BRUSGAARD
Phone: [phone]
Fax: [phone]
E-mail: [e-mail]

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2 - Description
2.1 Analog Face
1. Right Front Button
Power ON
Enable / Disable and adjusting backlight intensity
Power OFF
2. Left Front Button
Power ON
Perform ACCESS
Adjust altitude or set QFE if the DZ elevation differs from that of the airport of take-off
Enable IrDa
3. “ACCESS”indicator
4. “LOW BAT” indicator
5. OLED
Displays transducer testing, mBar adjustment, backlight intensity and IrDA
communication
6. Serial number
7. IrDa transceiver

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2.2 Digital Face
8. Air Filter
9. Battery compartment
10. LCD display
11. Left button
12. Mode button
13. Right button
14. Reset button (located below battery cover)
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10
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2.3 LCD Display
15. Jump Number in logbook
Shows year when displaying date
Shows hours when displaying time
16. Date / Time icons
17. Freefall and Canopy log indication
18. Exit Altitude in logbook
19. Freefall time in logbook
Shows month when displaying date
Shows minutes when displaying time
20. Dive Type icon
21. Jump Mode indicator
Flashes when the ALTITRACK is in Jump Mode
22. Deployment altitude in logbook
Displays current altitude when in “Altitude Screen”
23. Battery status
24. Feet / Meter status
25. Average / Minimum / Maximum speed in logbook
26. Speed in logbook
Shows day when displaying date
Shows seconds when displaying time
27. MPH / KPH status
28. True Airspeed / Skydiver´s Airspeed status
29. Not used
30. Delete logbook icon
31. Clock icon
Used when displaying current time and total freefall time
32. Total icon
Used when displaying total jumps and total freefall time
33. Delete current jump icon
34. OFF icon
Used when turning the ALTITRACK OFF

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3 - Power ON
1. Battery status
Note: The Military ALTITRACK must be switched ON prior to entering the airplane
Press Right or Left Front Button until “ACCESS” and “LOW BAT” flashes. Then release the
button.
The Military ALTITRACK runs a self-test.
The Military ALTITRACK can be used for jumping, if:
- The pointer moves from “6” to “0”.
- Battery capacity is sufficient (see paragraph 8)
The Military ALTITRACK MUST NOT be used for jumping, if:
- The LCD on the rear side displays an Error code (ex.: ERR2, ERR3, ERR4, ERR5, ERR100)
- The units sounds a beep every minute.
- Battery capacity is insufficient (see paragraph 8)
When the pointer has detected “0”, the Military ALTITRACK performs an automatic testing of the
two barometric sensors (displayed on the OLED).
When the testing is completed the current mBar pressure is displayed for about 4 seconds.
If one of the sensors is defective the OLED shows, "service required". The Military ALTITRACK
can still be used for jumping with only one sensor, however it must be returned for service at the
next opportunity.
1

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The unit displays “Logbook screen # 1”. (Main information)” on the LCD. The LCD automatically
switches OFF after 15 sec. To switch ON the display, press any of the three buttons below the
LCD.
Fig. 1 - Logbook screen #1. No data stored
3.1 Before night jumping: Verify that the backlight is functioning (see paragraph 7)
4 - Jump Mode
- Entering Jump Mode: Shortly after take-off (at approx. 1,000 feet/300 meters) the Military
ALTITRACK switches to Jump Mode and the pointer moves to the present altitude. On the rear
side LCD the “airplane icon” starts to flash.
- Exiting Jump Mode: The Military ALTITRACK exits Jump Mode automatically within one
minute after it senses ground level again. If the Military ALTITRACK has been preset to a
different altitude it exits Jump Mode as described in paragraph 7.2.

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5 - Power OFF
1. Press and let go of Right Front Button
2. When “ACCESS” lights, press immediately and let go again
3. When “ACCESS” lights, press immediately and let go again
4. When “ACCESS” lights, press immediately and let go again
The pointer moves to “6” and unit switches OFF
Note: If the Military ALTITRACK is not manually switched OFF, it will automatically switch OFF
14 hours after the last jump or 14 hours after the last pressing of any button (28 hours in case
adjustment of altitude or QFE has been performed without jumping with the Military ALTITRACK).

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6 - Zeroing, Altitude Offset and mBar adjustment
6.1 Zeroing the Military ALTITRACK
The Military ALTITRACK continuously adjusts to the local elevation and the pointer is at the zero
“0” position. If the pointer is not at “0” prior to jumping, the unit has not adjusted itself to the local
elevation and it must be manually zeroed.
Turn the unit OFF and then ON.
6.2 Altitude Offset or mBar adjustment
If the elevation or barometric pressure at the DZ is different from that of the airport of take-off,
then adjust the Military ALTITRACK by activating the “Altitude Offset” mode which also enables
the “mBar adjustment” mode and is called “ACCESS”.
ON THE GROUND
If the DZ elevation or the mBar pressure at the new DZ is known before entering the
airplane:
1. Press Left Front Button and release quickly
2. When “ACCESS” lights, press the button immediately and keep it pressed
3. When “ACCESS” lights again, release the button immediately
4. The present QFE is displayed in the OLED window.
Press the Right Front Button (+) or the Left Front Button (-) to set the QFE (200 to 1075 mbar)
to the absolute mbar value at the new DZ location (QFE), or move the pointed to the selected
altitude.
On the ground the selected altitude is displayed on the screen on the rear side of the altimeter as
well.
When adjusting to a negative altitude on the ground, use the inner negative scale indication or the
value displayed on the rear side of the altimeter.
Note: When performing a manual adjustment of altitude, the MilItary ALTITRACK enters
“Jump Mode” and the altitude is stored in the memory for 14 hours if no jump is made.
After 14 hours the Military ALTITRACK calibrates to the new elevation and displays “0”
The Military ALTITRACK switches OFF automatically 14 hours after the recalibration.
The altitude offset is not retained when the Military ALTITRACK is switched OFF.
IN THE AIRPLANE
If the QFE is only known after take-off or if the DZ elevation changes during the flight:
Perform “ACCESS”, point 1-3 as described in paragraph 10.2 and then by means of the Right
Front Button (+) or the Left Front Button (-), set the DZ QFE in the OLED window (200 to 1075
mbar). To avoid any mistakes in this case, do not use the pointer as a reference when selecting
the new altitude.
The Military ALTITRACK exits “Altitude Offset” or “mBar adjustment” mode if no button is pressed
within 5 seconds.

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7 - Backlight
Enable: Press and hold Right Front Button until “BACKLIGHT ON” and intensity level is displayed
on the OLED.
Disable: Press and hold Right Front Button until “BACKLIGHT ON” and then “BACKLIGHT OFF”
is displayed on the OLED.
Note: The backlight is automatically disabled when manually switching OFF the Military
ALTITRACK.
Adjusting the backlight intensity: When “BACKLIGHT ON” is displayed on the OLED (by
pressing the Right Front Button), click on the Right Front Button again to adjust the backlight
intensity, 1 to 10 (1 = Low, 10 = High).
Note: If the backlight is turned ON while the Military ALTITRACK is not in Jump Mode, the
backlight will automatically turn OFF after 2 hours.
If the backlight is turned ON while the Military ALTITRACK is in Jump Mode, the backlight
will remain ON until the unit exits Jump Mode.
8 - Battery Status
Full capacity: Symbol shows two bars inside the icon.
The Military ALTITRACK can be used without any restrictions.
The two bars correspond to a battery capacity between 100 and 10%
Low capacity: Symbol shows one bar inside the icon.
Replace battery as soon as possible, however the altimeter can still be used for jumping
as long as it is not used for night jumping or at temperatures below zero deg. C.
Very low capacity: Symbol shows no bars inside the icon.
The “Low Bat” light flashes every 15 sec on the altimeter scale.
Do not jump with the altimeter. Replace battery.
Empty battery: The battery icon flashes.
Do not jump with the altimeter. Replace battery.

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9 - Customize the Military ALTITRACK
The Military ALTITRACK can be customized to your personal settings. Your settings will be
stored and recalled also after replacing batteries. When you first get the Military ALTITRACK, we
recommend you to go through the SETUP Selector to customize the unit.
9.1 SETUP Selector
In the SETUP Selector the following options can be selected:
- Main Setup display
- Turn the ALTITRACK OFF
- Delete jump
- Set total number of jumps
- Set total freefall time
- Set current date
- Set current time
- Delete logbook
- MPH / KMH
- Feet / Meter
- (TAS) True Airspeed / (SAS) Skydiver’s Airspeed
- Canopy log Enable / Disable
- Dive Type
- Celsius / Fahrenheit
- Beep ON / OFF
To enter the SETUP Selector
Press and hold for 3 seconds.
To exit the SETUP Selector
Wait until the display times out or, press or repeatedly until returning to the Main Setup
Display, then press to exit.
NOTE: If no button has been pressed within 15 seconds after choosing any SETUP window, the
LCD switches OFF. When again switching ON the LCD it will display “Logbook screen # 1”.
(Main information)”

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10 - Main Setup Display
The Main setup display accesses to the following functions:
Turn the Military ALTITRACK OFF- Delete Jump - Set total number of jumps - Set total freefall
time - Set current date - Set current time - Delete logbook - MPH / KMH - Feet / Meter - (TAS)
True Airspeed / (SAS) Skydiver’s Airspeed - Canopy log Enable / Disable - Dive Type - Celsius /
Fahrenheit - Beep ON / OFF
Factory default set-up
Fig. 2 - Main display.
Displays all current settings
Press to move forward in setup options
Press to move backward in setup options
To return to “Logbook screen # 1”, press or repeatedly to return to this screen, then
press

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Main Setup Display - Turn the Military ALTITRACK OFF - Delete Jump - Set total number of
jumps - Set total freefall time - Set current date - Set current time - Delete logbook - MPH / KMH -
Feet / Meter - (TAS) True Airspeed / (SAS) Skydiver’s Airspeed - Canopy log Enable / Disable -
Dive Type - Celsius / Fahrenheit - Beep ON / OFF
10.1 Turn the Military ALTITRACK OFF
Press to select OFF
This is a secondary method.
To turn the Military ALTITRACK OFF, use recommended method described in paragraph 5.
Fig. 3 - Turn the Military ALTITRACK OFF
Press (“OFF” flashes)
Press to increase the counter “Match Value”
Press to decrease the counter “Match Value”
At “Match Value” press The pointer moves to “6” and the unit switches OFF.
NOTE: When switched OFF the Military ALTITRACK cannot be used for jumping. Customer
settings and clock are not lost when switched OFF.

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Main Setup Display - Turn the Military ALTITRACK OFF - Delete Jump - Set total number of
jumps - Set total freefall time - Set current date - Set current time - Delete logbook - MPH / KMH -
Feet / Meter - (TAS) True Airspeed / (SAS) Skydiver’s Airspeed - Canopy log Enable / Disable -
Dive Type - Celsius / Fahrenheit - Beep ON / OFF
10.2 Delete Jump
Press again to select Delete Jump
Example
Fig. 4 - Delete Jump.
Press (“Delete Jump Icon” flashes)
Press to increase the counter “Match Value”
Press to decrease the counter “Match Value”
At “Match Value” press to delete current jump
If you press before you select the match value, the delete jump action is cancelled.
Note: At the same time the accumulated number of jumps and freefall time are updated if the
deleted jump is the last jump logged.

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Main Setup Display - Turn the Military ALTITRACK OFF - Delete Jump - Set total number of
jumps - Set total freefall time - Set current date - Set current time - Delete logbook - MPH / KMH
- Feet / Meter - (TAS) True Airspeed / (SAS) Skydiver’s Airspeed - Canopy log Enable / Disable -
Dive Type - Celsius / Fahrenheit - Beep ON / OFF
10.3 Set Total Number of Jumps
Press again to select TOTAL
Example
Fig. 5 - Set Total Number of Jumps
Press (“TOTAL” flashes)
Press to increase the jump total
Press to decrease the jump total
Press to store the new total number of jumps and end
Note: Total number of jumps cannot be set to a value below the highest stored jump number.

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Main Setup Display - Turn the Military ALTITRACK OFF - Delete Jump - Set total number of
jumps - Set total freefall time - Set current date - Set current time - Delete logbook - MPH / KMH
- Feet / Meter - (TAS) True Airspeed / (SAS) Skydiver’s Airspeed - Canopy log Enable / Disable -
Dive Type - Celsius / Fahrenheit - Beep ON / OFF
10.4 Set Total Freefall Time
Press again to select TOTAL FF TIME
Fig. 6 - Set Total Freefall Time
Press (“TOTAL” flashes)
Press to increase total freefall time
Press to decrease total freefall time
Press to store the new total number of jumps and end

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Main Setup Display - Turn the Military ALTITRACK OFF - Delete Jump - Set total number of
jumps - Set total freefall time - Set current date - Set current time - Delete logbook - MPH / KMH
- Feet / Meter - (TAS) True Airspeed / (SAS) Skydiver’s Airspeed - Canopy log Enable / Disable -
Dive Type - Celsius / Fahrenheit - Beep ON / OFF
10.5 Set Current Date
Press again to select “Clock/DATE”
Fig. 7 - Set Current Date
Press (“Clock” icon flashes)
Press to increase date value
Press to decrease date value
Press to store the new date and end
Note: Date format is YYYY:MM:DD.

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Main Setup Display - Turn the Military ALTITRACK OFF - Delete Jump - Set total number of
jumps - Set total freefall time - Set current date - Set current time - Delete logbook - MPH / KMH
- Feet / Meter - (TAS) True Airspeed / (SAS) Skydiver’s Airspeed - Canopy log Enable / Disable -
Dive Type - Celsius / Fahrenheit - Beep ON / OFF
10.6 Set Current Time
Press again to select “Clock”/TIME”
Fig. 8 - Set Current Time
Press (“Clock” icon flashes)
Press to increase time value
Press to decrease time value
Press to store the time and end
Note: Time format is 24 hours