How it Works
Larsen & Brusgaard
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Viso II
User Manual
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Larsen & Brusgaard Viso II User Manual

LARSEN & BRUSGAARD
Mosevej 3
4070 Kirke Hyllinge, Denmark
Phone: +45 4648 2480
Fax: +45 4648 2490
E-mail: L-and-B@L-and-B.dk
VISO II Manual
3
WARNING!
FAILURE TO FOLLOW ALL WARNINGS, INSTRUCTIONS, AND REQUIRED PROCEDURES MAY RESULT IN SERIOUS INJURY AND DEATH.
Always ensure your altimeter is adjusted to zero prior to jumping to account for any changes in barometric pressure.
Altimeters may give erroneous readings if you are tumbling or the altimeter is in a burble (wake), such as when sit flying or sky surfing. Chest mount altimeters are more vulnerable to this problem. If you are in doubt about how this limitation affects your skydiving, consult a licensed instructor.
DO NOT use this equipment unless you are on, or have passed an approved skydiving course.
Use the VISO II™ at your own risk.
VISO II is a trademark of Larsen & Brusgaard, Denmark.
Larsen & Brusgaard operates a policy of continuous development.
Therefore, we reserve the right to make changes and improvements to any of the
products described in this guide without prior notice.
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CONTENTS
Introduction ............................................................................................................................6
Description .............................................................................................................................. 9
Display .................................................................................................................................... 10
Main Window ...........................................................................................................................14
Alti-Meter Mode .....................................................................................................................14
Speed-Meter Mode .................................................................................................................. 16
Road Map ................................................................................................................................. 18
Customise the VISO II Settings .................................................................................................. 19
Alti-Meter / Speed-Meter Selector ............................................................................................. 22
Feet/Meter Selector ................................................................................................................ 23
Mph/Kmh Selector ................................................................................................................. 24
Altitude Offset ....................................................................................................................... 25
Dive Type Selector .................................................................................................................. 26
True Airspeed (TAS) / Skydiver’s Airspeed (SAS) .......................................................................... 28
Set Current Year Selector ......................................................................................................... 32
Set Current Date Selector ........................................................................................................33
Set Current Time Selector ........................................................................................................ 34
Preset Jump Counter Selector...................................................................................................35
Reset Jump Counter Selector ...................................................................................................36
Turn VISO II OFF Selector Selector ............................................................................................ 37
Backlight Setup Area ................................................................................................................39
Backlight ON/OFF ................................................................................................................... 39
Zeroing the VISO II ................................................................................................................... 40
Jump Mode ..............................................................................................................................41
Daily Jump Counter ..................................................................................................................42
Jump Data ...............................................................................................................................43
Logbook Area ........................................................................................................................... 43
Jump Number ........................................................................................................................ 44
Exit Altitude .........................................................................................................................45
Deployment Altitude ............................................................................................................... 46
Freefall Time .........................................................................................................................47
Max. Speed in Freefall ............................................................................................................. 48
Max. Speed under Canopy ........................................................................................................ 49
Profile Area .............................................................................................................................. 51
Playback Altitude Versus Time .................................................................................................. 52
Playback Speed Versus Time ..................................................................................................... 53
Air Filter.................................................................................................................................. 55
Resetting the VISO II ................................................................................................................ 56
Battery Replacement ................................................................................................................ 57
Battery Status .......................................................................................................................... 58
Firmware Version ...................................................................................................................... 59
Trouble-shooting ...................................................................................................................... 60
Appendix ................................................................................................................................. 61
TAS and SAS .......................................................................................................................... 61
SPECIFICATIONS ........................................................................................................................ 64
Mechanical............................................................................................................................64
Logbook ...............................................................................................................................64
Profile Storage ....................................................................................................................... 65
Factory default settings .......................................................................................................... 65
Other ...................................................................................................................................66
Warranty .................................................................................................................................. 67
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4. Daily Jump Counter
- Displays number of jumps completed on last date and/or 9 other jump dates.
Features
• Digital Alti-Meter or Speed-Meter
• Electroluminescent backlight for night jumpi ng. Can remain ON for several hours
• Automatic cali brat ion to local elevat ion
• LCDscreen for easy and intuitive operation and information review
• Logbook with playback of altit ude/ speed prole for the last j ump
• Operat ional at sub-zero temperatures
• Switches OFF automatically after 14 hours
Software & functions
• Stores up to 10 minutesof prole dat a from last jump
Displays Alti-Meter and Speed-Meter details from exit to landing
IntroductionIntroduction
Congratulations on purchasing your new VISO II!
The VISO II design is based upon the latest findings in microcomputer technology and
freefall parameters. Please read ALL of the instructions prior to actual skydiving use.
The VISO II comprises three instruments:
1 Digital Alti-Meter
Stores detailed altitude information about the last jump for later review
2 Digital Speed-Meter
Stores detailed speed information about the last jump for later review
3 Jump Counter
Electronic logbook, storing and displaying information about the last 200 jumps.
- Can be used as an aid to track the amount of jumps performed on a rig.
- Can be reset at any time, but time and date for the last reset remains stored and
cannot be erased.
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1. UP button
2. Middle button
3. Down button
4. LCD display
5. Reset button (on rear side)
Description
• Records and displays jump information about t he l ast 200 jumps includi ng exi t
altitude, deployment altitude, freefall time, max. speed in freefall and max. speed
under canopy
• Choice of readings in feet or met er and mph or kmh
If you have any questions please call, fax or e-mail us.
LARSEN & BRUSGAARD
Phone: +45 4648 2480
Fax: +45 4648 2490
E-mail: L-and-B@L-and-B.dk
Introduction
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Display
2 Time icon
3 Additional information, displaying:
- current date/time
- time in profile when in Profile Area
- date/time when in Logbook Area
4 Battery status
Battery Power Level icon – indicates the remaining battery capacity
Altitude / Speed Area
5 Main information, displaying:
- altitude when VISO II is set to Alti-Meter mode
- speed when VISO II is set to Speed-Meter mode
- detailed profile information when in Profile Area
- logbook information when in Logbook Area
- various setup information
Display
The display has the following characteristics by default (normal usage):
Date / Time Area
1 Date icon
2
1
12
3
4
5
6
Date / Time Area
Altitude / Speed Area
Status Area
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10 9 8
7
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Main Window
This represents the starting point for all further actions and subsequent displays.
Display
The VISO II runs a self-test and displays all icons
It then displays the firmware version number together with a factory reference number...
...and switches to a screen configuration referred to as the “Main Window”.
Display
Status Area
6 True Airspeed (TAS) / Skydiver’s Airspeed (SAS) status
7 Mph / Kmh status
8 OFF icon - Used to manually power OFF the VISO II
9 Speed-Meter indicator when VISO II is set to Speed-Meter mode
10 Padlock icon Used to indicate and control entrance to ACCESS mode
11 Feet/Meter status
12 Altimeter indicator when VISO II is set to Alti-Meter mode
Power ON
The VISO II has been powered OFF prior to shipping from our factory. To turn the
power ON, press and hold any key until the VISO II beeps, then release the button.
Auto OFF
The VISO II automatically switches OFF 14 hours after the last jump or 14 hours
after the last pressing of any key, whichever comes last.
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Alti-Meter Displays
In Alti-Meter mode the LCD may show 3 different displays, depending on what
altitude value is shown.
Main Window
If the altitude is below 1000 the altitude is displayed as
normal. Altitude resolution is in 10 feet (5 meter) incre-
ments.
If the altitude is 1000-9999, the altitude is displayed as
tens of feet or meter. Altitude resolution is in 10 feet
(10 meter) increments
Main Window
Explanation
The Main Window is the default window which displays current time, battery status
and either Altitude or Speed.
Alti-Meter Mode
When the VISO II is set to Alti-Meter mode, the
“ALTI” and “Feet/Meter” icons are ON.
The VISO II will display the altitude during climb,
in freefall and under canopy.
The date/time information switches OFF during
freefall and under canopy.
(When preset, press to view the current date).
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Main Window
Speed-Meter Display during the freefall
Speed resolution is in 1 Mph (1 Kmh) increments.
Important Notice about Speed Recordings
Experience has shown that when mounting the VISO II on the hand or belly, dif-
ferent air pressures induced by hand or body movements may result in incorrect
recordings of speeds.
Speed-Meter Mode
When the VISO II is set to Speed-Meter mode, the SPEED,
“Feet/Meter”, “Mph/Kmh” and “TAS/SAS” icons are ON.
The VISO II will display the climb rate/speed during climb, in
freefall and under canopy.
The date/time information switches OFF during freefall and
under canopy.
Main Window
If the altitude is 10000 or higher, the altitude is displayed as
hundreds of feet or meter. Altitude resolution is in 100 feet
(100 meter) increments.
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The VISO II can be customised to your personal settings. Your settings will be stored
and recalled also after replacing batteries. When you first get the VISO II, we recom-
mend you to go through the SETUP Selector to customise the VISO II settings.
SETUP Selector
In the Setup Area the following options can be selected:
• Alti-Meter/ Speed-Meter
• Feet/ Meter when set to Alti -Meter
• Mph/ Kmh when set to Speed-Meter
• Altit ude offset
• Di ve Type
• True Airspeed (TAS) / Skydiver’s Airspeed ( SAS)
• Set current year
• Set current date
• Set current t ime
VISO II Settings
It is recommended that you first familiarize yourself with the VISO II
ROAD MAP which is a very helpful tool when using the VISO II for the first time.
The ROAD MAP comprises four areas:
• Backlight Setup Area ( see page 39)
• Prole Area ( see page 51)
• Setup Area (seepage 19)
• Logbook Area (see page 43)
Road Map
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General note:
The VISO II goes out of ACCESS and back to the Main Window if no button has been
pressed within 15 sec.
ALL functions (except Power ON) can be performed ONLY when the VISO II is in ACCESS mode.
To leave the Setup Area
Wait until the display times out, or press repeatedly until the Padlock window
shows. Then press or to exit.
VISO II Settings
Padlock Window
• Preset jump counter
• Reset jump counter
• Turn the VI SO I I OFF
• Padlock window
To enter the Setup Area
Perform ACCESS on or . Then hold > 5 seconds
Performing ACCESS:
1 Press or and release quickly. The padlock icon turns ON and OFF
2 When the padlock icon turns ON again, immediately press the same button and
keep it pressed (padlock turns OFF)
3 When the padlock icon turns ON again, release immediately
VISO II Settings
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Feet/Meter Selector
Alti-Met er/Speed-Met er • Feet/Meter when set to Alti-Meter • Mph/ Kmh when set t o Speed-Meter • Alti tude
offset • DiveType • True Airspeed( TAS) / Skydi ver’s Airspeed( SAS) • Set current year • Set current date • Set
current t ime • Preset jump count er • Reset j umpcounter • Turn the VISO I I OFF• Padlock window
Feet/Meter
VISO II Settings
Press or to toggle between Feet/Meter.
The active selection flashes.
Press to save setting and enter the Mph/Kmh selector.
Note: Jump data is continuously stored in both feet and meter.
At any time stored information may be displayed in either unit
of measurement by selecting the respective mode.
Alti-Meter / Speed-Meter Selector
Alti-Meter/Speed-Meter • Feet / Met er when set t o Alti -Met er • Mph/ Kmh when set t o Speed-Met er • Alti tude
offset • DiveType • True Airspeed( TAS) / Skydi ver’s Airspeed( SAS) • Set current year • Set current date • Set
current t ime • Preset jump count er • Reset j umpcounter • Turn the VISO I I OFF• Padlock window
Alti-Meter / Speed-Meter
The VISO II can be set to function either as an Alti-Meter or as a Speed-Meter.
VISO II Settings
Press or to toggle between Alti-Meter or Speed-Meter
mode.
The active selection flashes.
Press to save setting and enter the Feet/Meter selector.
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