Garmin Forerunner 450CX Instruction manual

FORERUNNER®405CX
quick start manual
GPS-ENABLED SPORTS WATCH WITH WIRELESS SYNC

2 Forerunner 405CX Quick Start Manual
Step 1: Use the Touch
Bezel
The silver bezel around the watch
face acts as a multifunction button.
Tap: quickly press your nger on the
bezel to make a selection, toggle a
menu option, or change pages.
Touch and hold: hold your nger on
one of the four labeled areas on the
bezel to switch modes.
Double press: press two ngers on
two areas on the bezel to turn on the
backlight.
Touch and drag (scroll): press your
nger on the bezel and drag it around
the bezel to scroll through the menu
options or to increase or decrease
values.
WARNING: This product contains a non-replaceable lithium-ion battery.
See the Important Safety and Product Information guide in the product box
for important battery safety information.
WARNING: Always consult your physician before you begin or modify any
exercise program. See the Important Safety and Product Information guide
in the product box for product warnings and other important information.

Forerunner 405CX Quick Start Manual 3
Touch Bezel Areas and
Buttons
➊
➋
➏
➍
➌
➎
➊ time/date: touch and hold to
enter time/date mode.
➋ GPS: touch and hold to enter
GPS mode.
➌ menu: touch and hold to open
the menu page.
➍ training: touch and hold to enter
training mode.
➎ start/stop/enter:
Press to start/stop the timer in
training mode.
Press to make a selection.
Press to exit power save mode.
➏ lap/reset/quit:
Press to create a new lap in
training mode.
Press and hold to reset the timer
in training mode.
Press to exit a menu or page.
Press to exit power save mode.
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4 Forerunner 405CX Quick Start Manual
Bezel Tips
Touch the bezel rmly.
Touch the bezel on the outer ring,
where the words appear, not the
inner ring near the watch face.
Make each bezel selection a
separate action.
Do not rest your nger or thumb
on the bezel while using it.
Do not wear thick gloves while
using the bezel.
If bezel is wet, wipe the bezel dry
before using it.
Locking the Bezel
To prevent accidental bezel taps (due
to moisture or inadvertent bumping),
press enter and quit simultaneously.
To unlock the bezel, press enter and
quit simultaneously again.
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Power Save Mode
After a period of inactivity, the
Forerunner switches to power save
mode. The Forerunner is inactive
if the timer is not running, you are
not navigating to a destination and
viewing the navigation page, and
you have not pressed any buttons or
tapped the bezel.
While in power save mode, you
can view the time of day, turn on
the backlight, and use the ANT+™
computer connection. To exit power
save mode, press the enter or quit
button.

Forerunner 405CX Quick Start Manual 5
Step 2: Charge the
Battery
Your Forerunner ships with the
power off to conserve the battery.
Charge the Forerunner for at least
three hours before using it.
NOTE: To prevent corrosion,
thoroughly dry the charging
contacts and surrounding area
before charging.
TIP: The Forerunner will
not charge when outside the
temperature range of 32°F–122°F
(0°C–50°C).
To charge the Forerunner:
1. Plug the USB connector on the
charging clip cable into the AC
adapter.
2. Plug the AC adapter into a
standard wall outlet.
3. Align the charging clip posts with
the contacts on the back of the
Forerunner.
Contacts
4. Clip the charger securely over the
face of the Forerunner.
Charging
clip
The length of time a fully charged
battery will last depends upon usage.
A fully charged battery can run the
Forerunner with GPS on for up to 8
hours. See the owner’s manual for
more information.

6 Forerunner 405CX Quick Start Manual
Step 3: Congure Your Forerunner
The rst time you use your Forerunner, follow the on-screen instructions to
learn how to use the bezel, set your user prole, and congure the Forerunner.
Training
Description
Training
Frequency
Training Time Per Week
0 No exercise - -
1 Occasional, light
exercise
Once every two weeks Less than 15 minutes
2 15 to 30 minutes
3 Once a week Approximately 30 minutes
4 Regular exercise
and training
2 to 3 times per week Approximately 45 minutes
5 45 minutes to 1 hour
6 1 to 3 hours
7 3 to 5 times per week 3 to 7 hours
8 Daily training Almost daily 7 to 11 hours
9 Daily 11 to 15 hours
10 More than 15 hours
Activity Class Chart
Activity Class Chart provided by Firstbeat Technologies Ltd., portions of which are based on Jackson et
al. Prediction of functional aerobic capacity without exercise testing. Medicine and Science in Sports &
Exercise 22:863:870, 1990.

Forerunner 405CX Quick Start Manual 7
The Forerunner uses your user
prole to calculate calorie
consumption. Using the table on
page 6, select 0-10 to set your
activity class.
If you are using an ANT+ heart
rate monitor, select Yes during the
conguration to allow the heart rate
monitor to pair (connect) with your
Forerunner. See Step 5for more
information.
Step 4: Acquire Satellite
Signals
To set the correct time of day and
begin using the Forerunner, you must
acquire GPS satellite signals. It may
take a few minutes to acquire signals.
NOTE: To turn off the GPS
receiver and use the Forerunner
indoors, touch and hold GPS.
Select Off for GPS.
NOTE: You cannot acquire
satellites in power save mode. To
exit power save mode, press enter
or quit.
1. Go outdoors to an open area. For
the best reception, make sure
the antenna of the Forerunner is
oriented toward the sky.
Antenna
location
2. Touch and hold training to enter
training mode.
3. Stand still and do not begin
moving until the locating satellites
page disappears.
When you are receiving satellite
signals, the GPS icon appears in
the training mode pages.

8 Forerunner 405CX Quick Start Manual
Step 5: Pair the Heart
Rate Monitor (Optional)
Heart Rate Monitor (Back)
Electrodes
Heart Rate Monitor Strap
Heart Rate Monitor (Front)
Slot
Tab
While you are trying to pair your
heart rate monitor with your
Forerunner for the rst time, move
10 m away from other heart rate
monitors.
The heart rate monitor is on standby
and ready to send data. Wear the
heart rate monitor directly on your
skin, just below your breastplate.
It should be snug enough to stay in
place during your run.
1. Push one tab on the strap through
the slot in the heart rate monitor.
Press the tab down.
2. Wet both electrodes on the back
of the heart rate monitor to create
a strong connection between your
chest and the transmitter.
3. Wrap the strap around your chest
and attach it to the other side of
the heart rate monitor.
NOTE: The Garmin logo should
be right-side up.
4. Press quit or enter to exit power
save mode.
5. Bring the Forerunner within range
(3 m) of the heart rate monitor.
The heart rate icon appears
on the training mode pages.

Forerunner 405CX Quick Start Manual 9
Step 6: Go for a Run!
1. Touch and hold training.
2. Press start to start the timer.
3. After completing your run, press
stop.
4. Press and hold reset to save your
run data and reset the timer.
Step 7: Download Free
Software
ANT Agent™allows you to use your
Forerunner with Garmin Connect™, a
Web-based training tool, and Garmin
Training Center®, a computer-based
training tool.
1. Go to www.garmin.com
/forerunner405/owners.
2. Follow the on-screen instructions
to download and install ANT
Agent.
Step 8: Pair Your
Computer and
Forerunner
NOTE: Before connecting
the USB ANT Stick
™
to your
computer, you must download
software as instructed in Step 7 so
that the necessary USB drivers are
installed.
1. Plug the USB ANT Stick into
an available USB port on your
computer.
2. Bring your Forerunner within
range (3 m) of your computer.

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3. WhentheANTAgentndsyour
Forerunner, ANT Agent displays
the unit ID and asks you if you
want to pair. Select yes.
4. Your Forerunner should display
the same number ANT Agent
displayed. If so, select yes on
your Forerunner to complete the
pairing process.
Step 9: Transfer Data to
Your Computer
Bring your Forerunner within range
(3 m) of your computer. ANT Agent
automatically transfers data between
your Forerunner and Garmin
Connect or Garmin Training Center.
NOTE: If you have a lot of data,
this may take a few minutes.
Forerunner functions are not
available during data transfer.
Use Garmin Connect or Garmin
Training Center to view and analyze
your data.
Resetting the
Forerunner
If your Forerunner is locked up,
reset your Forerunner. Press and
hold enter and quit simultaneously
until the screen goes blank (about 7
seconds). This does not erase any of
your data or settings.