Larsen & Brusgaard is dedicated to providing our customers with the utmost in customer service and satisfaction. We have listed some of the most Frequently Asked Questions regarding Pro-Track so that you will have an instant answer to some of the more common questions we receive.

If there is an issue with your Pro-Track that is not covered in the FAQ, please do not hesitate to contact us and we will do our very best to get answers to your questions as fast as possible.

 

Question: I replaced the batteries, however soon after I installed the new set the unit displayed "Low Bat." again?

Answer: Please remove the battery cover and wait at least 2 minutes before reinstalling the cover again. When the battery cover is removed the batteries are disconnected. When installing a new set of batteries too quickly the microprocessor may sometimes enter a wrong mode and thus display wrong information. Do also refrain from pressing any buttons for about 15 minutes after installing new batteries.
 

Question: Normally the 1,000 ft alarm sounds correctly, but yesterday it sounded much higher; nearly at 1,200 ft. and the warning alarms in freefall were also wrong. However, on the next jump everything was ok again. What happened to the PRO-TRACK?

Answer: Probably, the unit was in Jump-Mode when you arrived at the DZ (altitude flashes once every 7 sec.). In this case you must perform manual zeroing before entering the airplane (see Instructions). The PRO-TRACK may sometimes go into Jump Mode when the barometric pressure changes quickly or if you drive in a mountainous area. The unit goes out of Jump Mode automatically after about 12 hours or after the next jump as in your case.
 

Question: I mounted my PRO-TRACK inside a helmet. I have a strange feeling that the PRO-TRACK is inaccurate when mounting this way. My warning altitudes seem as much as 400 ft. off. Sometimes I feel that the unit gives alarms at a slightly higher or lower altitude than preset?

Answer: Experience has shown that when mounting an audible altimeter next to the ear, different air pressures induced by head movements may result in a slightly change when the alarms sound. When the ear/audible altimeter is pointing towards the ground (higher air pressure on the ear/audible altimeter) the alarms will sound at a slightly lower altitude. When the ear/audible altimeter is pointing away from the ground (lower air pressure on the ear/audible altimeter) the alarms will sound at a slightly higher altitude.
 

Question: I noticed two small golden springs in two small holes when I removed the battery cover. What are the purpose for these?

Answer: The two springs make contact between the metallic plate on the underside of the battery cover to the electronic circuit board.
 

Question: I bought a PRO-TRACK this week-end and found in the manual that ACCESS mode was supposed to remain illuminated for 60 seconds before "timing out". On my unit, it consistently times out after only 15 seconds Is there a way to correct this behavior?

Answer: There is nothing wrong with your unit. If no jumps are recorded, the PRO-TRACK times out after about 15 seconds. If a jump is recorded, the unit will display the jump information for about 60 seconds.
 

Question: I am happy jumping my PRO-TRACK. Today I was called down with a student due to wind. During the descent at 4200 ft. my PRO-TRACK sounded its second alarm without sounding the first, and then did not sound the 3rd. It did, however, log a jump with an exit altitude of 2800 ft, an opening altitude of 2300 ft, 7 sec of freefall and a maximum speed of 0 mph. Why did this happen? Is it likely to happen again? If I get called down again I will know to check and could delete the last jump, but I did not notice until 2 jumps later, so the jump is stuck in the machine. Will I be able to delete a specific jump from the JUMP-TRACK software?
Answer: About the "phantom" jump: When you go up in the plane and the PRO-TRACK switches to Jump Mode ("altitude" flashing), the software is waiting for you to jump — it expects to register an exit. However, if you start descending with the airplane the PRO-TRACK gets confused; it "sees" something that may be an exit and maybe not. Then the calculations become phantom. As it says in the manual you should turn off the unit before going on an international flight, and what you did on that jump can be compared to going on such a flight. You cannot delete a specific jump from the logbook; only the last jump. Therefore, in your case I would adjust the accumulated jump no. and freefall time in the logbook to bring this up to date. In the JUMP-TRACK you can delete the phantom jump without problem.
 

Question: I have just recently purchased the PRO-TRACK and think it ís everything it was hyped to be. I just have a few questions as I'm unsure of their purpose. 1) Dive types. What difference does this make on jumps e.g. photo/freestyle. 2) Do you have more information on TAS/SAS as I'm still unsure of their purpose after studying the manual.

Answer: 1) Dive Type has a meaning in two cases: a) When you scroll back through your dives you will be able to see what type of dive you made by going to "supplementary speed information". When using JUMP-TRACK the software automatically sorts your dives when downloading to the PC. b) Basically TAS means your speed relative to the ground and SAS means your speed relative to the air molecules in a fixed altitude of 4,000 ft. and at a fixed temperature. TAS will change if you jump (with the same body position) at two Drop Zones which have different elevations. SAS remains the same.
 

Question: After 60 seconds the LCD goes blank. Does it re-appear once the aircraft begins to climb?
Answer: Yes, it goes blank after 60 seconds. During climb you will see the "altitude" flashing every 7 seconds, indicating that the PRO-TRACK is ready to jump. However, when pressing MODE above 2,000 ft you will see the preset warning altitudes and when pressing SET you will see the present altitude, the altitude you will reach in 5 min. and the climb rate of the aircraft.
 

Question: I am living in the US and it is quite impossible for me to find the CR2330 type of batteries.

Answer: Please try your local dealer or call this company: BATTERIES PLUS Phone: (843) 824-1210 or (843) 769-4452
 

Question: Is the PRO-TRACK completely OFF when in ECO mode and will it turn on automatically when climbing? I turned the unit on after the aircraft started climbing and the date was completely wrong?! And what should I do when I fly on a commercial airline and I don't want the unit to log a ghost jump? How do I retrieve the data and do I need a special cable?

Answer: When the PRO-TRACK switches off in ECO mode, it is completely off and does not log data, nor does it function. It must be turned on before the next jump. In ECO mode the PRO-TRACK functions like the Cypress which you also must turn on every morning. In the case you describe where you turned the PRO-TRACK on during climb, the data the unit captured is probably not correct. The unit MUST be turned on before entering the aircraft in order to zero to the local elevation and to switch to "Jump Mode" correctly when the aircraft starts to climb. If you wait 14 hours after you switch the unit on in ECO mode, you can get on the airliner with no problem (the unit is OFF). To retrieve the datalogger info you need the JUMP-TRACK interface. On the rear to the left of the battery cover you will see a very small round window. Through this window the datalogger info is transmitted to the "JUMP-TRACK" interface unit by means of infrared light. Thus, you need no cables to transfer the info from the PRO-TRACK to the interface unit. The "JUMP-TRACK " interface connects to the PC via a cable.
 

Question: When is the LIGHT-TRACK available?

Answer: Ahhh... good question... we anticipate that it will be available with some other new products in late 2004 or early 2005.
 

Question: When does the PRO-TRACK sense the deployment altitude? When I let go of the pilot chute?
Answer: The PRO-TRACK cannot measure when you let go of your pilot chute. The unit will sense the rapid change of speed when the canopy opens and this is the deployment altitude. Some jumpers have noticed that the deployment altitude seems lower than expected and this is the reason. You often fall some distance between pulling and the time when the canopy inflates.
 

Question: Can you please tell me what is meant by the 'deployment altitude' recorded by a pro-track? Obviously, it's based on rate of descent, but is it supposed to record the height at which the deployment is initiated (pilot chute released) or the at which the canopy is fully open. There can, of course, be 500 - 1000 feet difference between the two.

Answer: The deployment altitude recorded by the PRO-TRACK is the altitude when the canopy has been deployed and the speed starts to slow down. The PRO-TRACK cannot sense when you throw out the pilot chute. You are right; the altitude at which you throw out the pilot chute and the altitude the canopy is deployed can be very different.