WARNING!
The QUATTRO is intended to be a backup device and
must not be relied upon as your primary means of
maintaining altitude awareness.
Use the QUATTRO at your own risk.
When testing the QUATTRO on the ground the alarms
sounds may be perceived louder than in freefall, due to the
lack of outside wind noise and pressure changes.
Do not put the QUATTRO directly next to the ear while
testing the alarm sounds on the ground, as the QUATTRO
alarm volume is very loud. It may cause pain or damage
to the ear.
The QUATTRO must be mounted correctly, to ensure the
alarms are audible during freefall. Always ensure the
QUATTRO is mounted correctly prior to jumping.
The QUATTRO must be active (powered on) prior to enter-
ing the airplane.
INTRODUCTION
Congratulations on purchasing your new QUATTRO!
The QUATTRO audible altimeter is the latest in micro
technology, and features the most advanced programming
for accurately measuring freefall & canopy descent rates.
The QUATTRO allows the skydiver up to 4 sets of warning
altitudes for high speed, and 3 for low speed flight. This
provides added interactivity in configuring frequently used
warning alarms. The QUATTRO can also be set up to three
climb warning alarms for the ultimate precision altitude
awareness.
The QUATTRO raises the bar yet again to provide skydivers
with the most accurate and useful functions available in an
audible altimeter:
• 4 High Speed warnings:
Allows settings up to 19990 feet and can be used for
large formations, wingsuit flight setup and other preci-
sion skydives where multiple high speed warnings are
needed and desired.
• Track Guide:
0.5 second pulsating tones between the 1st and 2nd
warnings help keep track of altitude separation, in track-
ing groups or waves.
• 3 Canopy Descent / Low Speed warnings:
The Canopy Descent warnings are essentially low speed
warnings, and can also be used by wingsuit flyers to
keep track of altitude in preparation for separation and
canopy deployment.
The QUATTRO is fully automatic and can be manually
turned ON or OFF. The QUATTRO continually reads ambient
air pressure for real-time accuracy and attention to ground
level.
The QUATTRO’s small and ergonomic design provides the
user with comfort and less bulk when used inside a soft or
hard-shell helmet. Rigging materials are included for those
wishing to mount the audible on the outside of a helmet.
The QUATTRO is specifically designed for advanced sky-
diving disciplines: Large Formations, Relative Work, Free
Flying, Wingsuit Flying, Student, Tandem, AFF, and also
canopy related activities such as accuracy and CRW.
QUATTRO sets the standard as being the most advanced
audible altimeter available with more features, greater
accuracy and the ability to finely tune your altitude aware-
ness.
For further information or to ask questions about QUATTRO
or any other L&B altitude awareness instrument, please
visit our website and our Product Support Forum at:
www.L-and-B.dk
WARRANTY
The following conditions apply to the QUATTRO warranty:
Within 12 months after delivery, damage or defects in the
unit that are proven to be caused by faulty manufacture
will be repaired by LARSEN & BRUSGAARD at no cost to
the end user.
To make a claim under this warranty, send the unit to an
authorized dealer, or directly to LARSEN & BRUSGAARD,
together with the dated purchase invoice or receipt. The
warranty becomes void if damage is caused by external
circumstances, or if the unit has been serviced or repaired
by third parties unauthorized by our national agents or
LARSEN & BRUSGAARD.
All further claims, especially for defects after skydiving
accidents, are excluded. LARSEN & BRUSGAARD has no
obligation to honor any extension of warranty granted by
any national agent.
WAIVER OF LIABILITY
The buyer and user of the QUATTRO indemnify the manu-
facturer and vendor from any liability for damage incurred
before, during and after skydiving with the instrument.
1st warning altitude (Altitude/Altitude offset)
2nd warning altitude (1st low speed alarm)
3rd warning alarm (2nd low speed alarm)
4th warning alarm (3rd low speed alarm)
Perform ACCESS
Warning bank
Pitch status
OFF
Battery status
Low speed status
Alarm sounds
Pitch status
Track Guide Status
FT/MTR
Up
Mode
Down
NOTE: Track Guide is then disabled.
2 Warning Alarms
It is possible to only have 2 warning alarms. The procedure
is the same as above, but choose same altitude for the 1st,
2nd and 3rd warning alarms (the QUATTRO then sounds
only the 3rd and 4th warning alarms).
1 Warning Alarm
It is possible to only have 1 warning alarm. The procedure
is the same as above, but choose same altitude for all 4
warning alarms (the QUATTRO then sounds only the 4th
warning alarm).
Track Guide
Press
again.
The Track Guide icon will start flashing
Press
or
until the Track Guide icon is ON or OFF
When Track Guide is activated, a series of 0.5 second
beeps sound between the 1st and 2nd high speed
warning.
NOTE: When Track Guide is enabled, the Track Guide icon will
show in the warning bank area of all warning bank displays and
in the Main Window.
Sound Volume
Press
again.
Four output values will begin to flash.
Press
or
to select output volume for all four
high-speed warnings.
”1” is very low volume (112 dB), ”10” is very high volume
(117 dB)
The QUATTRO is factory preset to ”7”.
NOTE: In case of low battery battery capacity the volume will
automatically switch to ”1” and it cannot be changed until the
batteries have been replaced.
Sound Volume Track Guide
Press
again.
One output value will begin to flash.
Press
or
to select output volume for Track Guide.
”1” is very low volume (112 dB),”10” is very high volume
(117 dB)
The QUATTRO is factory preset to”3”.
NOTE: In case of low battery capacity the volume will automati-
cally switch to ”1” and it cannot be changed until the batteries
have been replaced.
Sound Pitch
Press
again.
The musical note icon and pitch bar graph will begin to
flash.
Press
or
to change the pitch up or down. The
pitch bar graph will display the number of bars cor-
responding to the selected pitch and the selected pitch
will sound.
Note: When selecting a pitch on either side of the center
vertical bar (3,800 Hz), the output volume decreases about
5 dB because the speaker is no longer at its optimum
resonance frequency.
Test Warning Sounds
Press
again.
The ear icon will begin to flash.
Press
or
.
This causes the QUATTRO to sound the preset alarm
sequence at the selected pitch.
If Track Guide is enabled, the Track Guide will simulate
“real-time” based on the difference between 1st and 2nd
warning at speed 120mph
(176 feet/sec) or 193 km/h (54 m/sec).
To stop the Test Warning Sounds, press
, or
.
NOTE: In case of low battery capacity the volume will
automatically switch to ”1” and it cannot be changed until
the batteries have been replaced.
INSTRUCTIONS
Power ON
The QUATTRO has been powered off prior to shipping from
the factory. To turn the power ON, press and hold any key
until the unit beeps, then release the key. The QUATTRO
runs a self-test and sounds three beeps, while flashing the
screen three times.
After startup the QUATTRO displays a screen configuration
referred to henceforth as the “Main Window”. This repre-
sents the starting point for all further QUATTRO actions and
subsequent displays.
NOTE: To save battery power, the screen display will switch OFF
after 14 hours. However, the unit is still ready to jump.
Selecting Main Window
The 3 different Main Windows can be selected by:
• Climb to Altitude Warnings and Altitude Offset:
Press
• High Speed Warnings and Setup Selector: Default
• Canopy Descent Warnings and Low Speed Warnings:
Press
Menu Function Sequence
By repeatedly pressing
the QUATTRO scrolls through
the menu functions in the selected window:
To leave a menu function, wait until the display times out,
or,
press and hold
for 5 sec.,
or,
press repeatedly until the padlock icon flashes, then press
or
to exit.
High Speed Warnings and Setup Selector
Perform ACCESS in the High Speed Warnings and Setup
Selector Window.
Warning Bank Menu Functions
The QUATTRO has 4 freefall warning banks.
When the warning bank icon is flashing, press
or
to select warning bank 1 to 4.
Setting the Warning Altitudes
The setting of altitudes in each warning bank can be
performed either on the ground or in the airplane during
climb to jump altitude.
4 Warning Alarms
1. Press
until 1st warning altitude flashes
2. Press
or
to change 1st warning altitude
3. Press
again and the 2nd warning altitude flashes
4. Press
or
to change 2nd warning altitude
5. Press
again and the 3rd warning altitude flashes
6. Press
or
to change 3rd warning altitude
7. Press
again and the 4th warning altitude flashes
8. Press
or
to change 4th warning altitude
Sequence of Warning Alarm Altitudes
Please note that when setting the warning altitudes, it
is possible to set the 1st warning alarm altitude lower
than the 2nd, or even the 4th, warning altitudes. The 2nd
warning altitude could be set to a higher value than the
1st warning altitude, or a lower value than the 3rd warning
altitude, and so on. This is not a problem; when the QUAT-
TRO exits ACCESS mode it will automatically sort and store
the warning alarms, such that the highest warning altitude
becomes the 1st warning alarm, the next highest warning
altitude becomes the 2nd warning alarm, and the lowest
warning altitude becomes the 4rd warning alarm.
3 Warning Alarms
It is possible to only have 3 warning alarms. The procedure
is the same as above, but choose same altitude for the 1st
and 2nd warning alarms (the QUATTRO then sounds only
the 2nd, 3rd and 4th warning alarms).
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