• Turn off smart notifications (
).
• Turn off Bluetooth wireless technology when you are not
using connected features (
Turning Off Bluetooth Wireless
).
• Turn off wrist-based heart rate monitoring (
).
NOTE:
Wrist-based heart rate monitoring is used to calculate
vigorous intensity minutes and calories burned.
Resetting the Device
If the device stops responding, you may need to reset it. This
does not erase any of your data or settings.
1
Hold the device key for 10 seconds.
The device turns off.
2
Hold the device key for one second to turn on the device.
Restoring All Default Settings
You can restore all of the device settings back to the factory
default values.
NOTE:
This deletes all user-entered information and activity
history.
1
Press the device key to view the menu.
2
Select >
Restore Defaults
>
.
Software and Course Updates
This device is eligible for free course map updates. To update
your device, download the free Garmin Express software from
Updating the Software Using Garmin
Express
Before you can update your device software, you must have a
Garmin Connect account, and you must download and install
the Garmin Express application.
1
Connect the device to your computer using the USB cable.
When new software is available, Garmin Express sends it to
your device.
2
Disconnect the device from your computer.
Your device alerts you to update the software.
3
Select an option.
Acquiring Satellite Signals
The device may need a clear view of the sky to acquire satellite
signals.
1
Go outdoors to an open area.
The front of the device should be oriented toward the sky.
2
Wait while the device locates satellites.
It may take 30–60 seconds to locate satellite signals.
Improving GPS Satellite Reception
• Frequently sync the device to your Garmin Connect account:
◦ Connect your device to a computer using the USB cable
and the Garmin Express application.
While connected to your Garmin Connect account, the device
downloads several days of satellite data, allowing it to quickly
locate satellite signals.
• Take your device outside to an open area away from tall
buildings and trees.
• Remain stationary for a few minutes.
Support and Updates
Garmin Express (
access to these services for Garmin
®
devices.
• Product registration
• Product manuals
• Software updates
• Data uploads to Garmin Connect
• Map, chart, or course updates
Getting More Information
• Go to
.
• Go to
, or contact your Garmin dealer
for information about optional accessories and replacement
parts.
Appendix
Fitness Goals
Knowing your heart rate zones can help you measure and
improve your fitness by understanding and applying these
principles.
• Your heart rate is a good measure of exercise intensity.
• Training in certain heart rate zones can help you improve
cardiovascular capacity and strength.
• Knowing your heart rate zones can prevent you from
overtraining and can decrease your risk of injury.
If you know your maximum heart rate, you can use the table
(
heart rate zone for your fitness objectives.
If you do not know your maximum heart rate, use one of the
calculators available on the Internet. Some gyms and health
centers can provide a test that measures maximum heart rate.
The default maximum heart rate is 220 minus your age.
About Heart Rate Zones
Many athletes use heart rate zones to measure and increase
their cardiovascular strength and improve their level of fitness. A
heart rate zone is a set range of heartbeats per minute. The five
commonly accepted heart rate zones are numbered from 1 to 5
according to increasing intensity. Generally, heart rate zones are
calculated based on percentages of your maximum heart rate.
Heart Rate Zone Calculations
Zone % of
Maximum
Heart Rate
Perceived Exertion
Benefits
1
50–60%
Relaxed, easy pace,
rhythmic breathing
Beginning-level
aerobic training,
reduces stress
2
60–70%
Comfortable pace,
slightly deeper
breathing, conversation
possible
Basic cardiovascular
training, good
recovery pace
3
70–80%
Moderate pace, more
difficult to hold
conversation
Improved aerobic
capacity, optimal
cardiovascular training
4
80–90%
Fast pace and a bit
uncomfortable, breathing
forceful
Improved anaerobic
capacity and
threshold, improved
speed
5
90–100%
Sprinting pace,
unsustainable for long
period of time, labored
breathing
Anaerobic and
muscular endurance,
increased power
Software License Agreement
BY USING THE DEVICE, YOU AGREE TO BE BOUND BY THE
TERMS AND CONDITIONS OF THE FOLLOWING SOFTWARE
Appendix
7
Summary of Contents for approach X40
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