Acumen Hydra-Alert Jr. User manual

Hydration Watch

t Introduction
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CONTENTS
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1
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12
Package Contents................................................................
Body Fluid Check Monitoring Guidelines and Tips...........
TM
Using Your Hydra Alert.................................................
Replacing the Battery .
Product Introduction
Product Introduction

TM
for Safeguarding Against Dehydration
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Package Contents
USING YOUR HYDRA-ALERT
USING YOUR HYDRA-ALERT
TRAINING
Free Training
Stopwatch for Elapsed Exercise Time
DEHYDRATION & FITNESS
Fluid Check
Temperature and Humidity Detection
Heat Index
Programmable Exercise Type
STANDARD FEATURES
Daily Alarm
Clock / Date / Day Display
NiteLite with SmartLite
Scratch Resistant Crystal Lens
Water Resistant to 30 Meters

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5
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The Normal Modes in Hydra-Alert JR can be toggled in the following
sequence by pressing “MODE”.
TM
The Daily Alarm produces a 1-minute double short beep. (Press any
button to stop it)
When the Heat Index is shown and its current value is at a very
high level, the watch will alert you by switching between the Heat
Index values and warning messages. The warning messages include
Care, Ultra Care, Danger and Ultra Danger (Refer to page 8 for
additional details).

7
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Note: Hydra-Alert JR has only Free Training without Lap Training.
TM
Press "EXIT" if data is not to be stored
and exit to Free Training Mode.
Press

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●
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Press & hold to increase
the speed at which the
values adjust
Increase / Decrease the
Value
You can also turn the Daily Alarm On / Off swiftly by Pressing and Holding
in Clock Mode.
Press & hold to increase
the speed at which the
values adjust
after setting the Exercise Intensity.
When the watch displays “ LOW BATT ” (as in the figure below), the battery in
your watch needs to be replaced. To maintain its water resistance, professional
battery replacement service is advised. Improper battery replacement or service
will void the warranty. In the case of self replace ment, removal of the old battery
should be documented in detail to ensure proper replacement of new battery, position
of contacts, and O-ring line-up. To maintain the watch’s water resistance, it is a good
idea to smear a small drop of silicone lubricant spray on the O-ring.
Note: After the first low battery warning comes on for 15 minutes, the EL,
Humidity & Temperature features will be turned off to conserve the
battery power.
Replacing the Battery9.2

41
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Technical Reference
The Heat Index combines the effects of heat and humidity. When heat and
humidity combine to reduce the amount of evaporation of sweat from the body,
outdoor exercise becomes dangerous even for those in good physical condition.
Key rules for coping with heat are to drink plenty of water to avoid dehydration,
slow down, and cool off when feeling fatigued, headache, a high pulse rate or
shallow breathing. Overheating can cause serious, even life-threatening conditions
such as heat stroke. The Apparent Temperature, which combines the temperature
and relative humidity, is a guide to the danger. Below is the Heat Stress Index
based on the Apparent Temperature.
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Effects of Heat Illnesses
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. As with heat cramps, the cure is to take it
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The loss of fluid and salt through perspiration and improper replacement
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them can lead to dizziness and weakness. Body temperature might rise,
but not above 102 degrees. In some cases, victims especially the elderly
should
be hospitalized. Heat exhaustion is more likely to occur after continuous
exposure
to excessive heat waves. The best prevention from heat exhaustion
is to drink
plenty of water and minimize physical activity in the heat. Salt
tablets should not be taken without consulting a physician.
Heat Syncope or Fainting:
Anyone not used to exercising in the heat can experience a quick drop in blood
pressure that can lead to fainting.
easy.

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The importance of the Heat Index is to show how hot a particular combination
of heat and humidity feels. The Heat Index in the Hydra-Alert is a report of
the latest weather conditions based on the current temperature and the relative
humidity. Please refer to the following Heat Index Chart to learn about the
Apparent Temperature and to minimize the possibility of getting heat stroke.
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In some cases, extreme heat can upset the body’s thermostat causing body
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lethargy, confusion, and unconsciousness. Suspicion of heatstroke also requires
immediate medical attention since heatstroke can result in death.
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The ACUMEN Hydra-Alert provides an indication of the level of dehydration.
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The thirst mechanism is not precise in humans. An individual can lose fluids
equaling up to 3% of their body weight before a person feels that they need
to quench their thirst.
Most people need more than eight glasses (8 ounces) of water per day. Water
intake each day needs to be half your body weight in ounces. Do not drink more
than 32 ounces at any one time. Water intake should be divided throughout the
entire day.
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If the exercise period is under 60 to 90 minutes, water intake is always appropriate.
If the exercise period is more than 60 to 90 minutes, a sports drink offers an
energy advantage that can enhance stamina and endurance.
Cardiac drift occurs because dehydration causes a drop in blood volume causing
less blood to be pumped with each heartbeat. The heart rate increases 7 beats
per minute for each 1% loss in body weight due to dehydration.
The American College of Sports Medicine on Exercise and Fluid Replacement
(ACSM, 1996) states that adequate fluid replacement helps maintain hydration
and, therefore promotes the health, safety, and optimal physical performance
of individuals participating in regular physical activity.

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If your monitor should ever get stuck or act erratically due to dropping it, static
shock or some other unforeseen reason, the Global Reset feature will allow
you to reset the unit and return all settings back to their internal defaults. To
perform this function, Press and Hold all four buttons together for 3 seconds
under any mode (display all LCD). The unit will automatically reset and return
to initial setting mode.
Caution: Global Reset will RESET ALL FUNCTIONS BACK TO ORIGINAL
FACTORY SETTINGS including your Personal Settings.
• Battery Replacement
The Hydra-Alert JR uses a Lithium CR2032 battery.
To maintain the watch’s water resistance, professional battery replacement
service is advised. Improper battery replacement or service will void the warranty.
In the case of self replacement, removal of the old battery should be documented
in detail to ensure proper replacement of the new battery, position of contacts,
and O-ring line-up. It is a good idea to smear a small drop of silicone lubricant
spray on the O-ring.
This product is warranted by Acumen Inc. for one year from the date of purchase
(with the exception of batteries and elastic chest strap) against defects in
workmanship and material. During this one-year period, these defects will be
repaired or the product will be replaced by Acumen Inc. at its sole discretion
without charge. This warranty covers normal consumer usage and does not
cover damage which occurs in shipment or failure which results from accident,
misuse, abuse, tampering, alteration or disassembling of the product or improper
maintenance. This warranty is effective only if the product is purchased and
operated in the USA and does not extend to any units which have been used
in violation of written instructions furnished by Acumen Inc. or to units which
have been altered or modified without authorization of Acumen Inc., or to damage
Precautions, Warranty, Service & Repair
Precautions, Warranty, Service & Repair

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to products or parts thereof which have had the serial number removed,
altered, defected or rendered illegible. The product must be returned to an
authorized dealer for service if purchased outside of the USA.
Note: Please return the product to local authorized dealer for service if
purchased outside of the USA.
Do not attempt to repair your product. Should the product malfunction, please
visit our website at www.acumeninc.com for Consumer Customer Service. If
the problem cannot be resolved, return the product to the factory for repair. Under
no circumstances should you attempt to open the housing and repair the product.
Should you do this, your warranty will be voided.
In USA, securely package and return the product pre-paid to:
Acumen Inc.,
101 A Executive Dr., Suite 100,
Sterling, VA 20166
USA.

Acumen Inc.
101A Executive Dr., Suite 100,
Sterling, VA 20166, USA.
Acumen Europe BV
E-mail:[email protected]
Website:www.acumeninc.com