3
Wait while the device connects to your VIRB camera.
4
Select
START
.
5
Select an option:
• To record video, select
Start Recording
.
The video counter appears on the Forerunner screen.
• To take a photo while recording video, select
DOWN
.
• To stop recording video, select
STOP
.
• To take a photo, select
Take Photo
.
• To change video and photo settings, select
Settings
.
Controlling a VIRB Action Camera During an Activity
Before you can use the VIRB remote function, you must enable
the remote setting on your VIRB camera. See the
VIRB Series
Owner's Manual
for more information. You must also set the
VIRB widget to be shown in the widget loop (
).
1
Turn on your VIRB camera.
2
On your Forerunner device, select
UP
or
DOWN
from the
watch face to view the VIRB widget.
3
Wait while the device connects to your VIRB camera.
When the camera is connected, a VIRB data screen is
automatically added to the activity apps.
4
During an activity, select
UP
or
DOWN
to view the VIRB data
screen.
5
Hold
UP
.
6
Select
VIRB
.
7
Select an option:
• To control the camera using the activity timer, select
Settings
>
Timer Start/Stop
.
NOTE:
Video recording automatically starts and stops
when you start and stop an activity.
• To control the camera using the menu options, select
Settings
>
Manual
.
• To manually record video, select
Start Recording
.
The video counter appears on the Forerunner screen.
• To take a photo while recording video, select
DOWN
.
• To manually stop recording video, select
STOP
.
• To take a photo, select
Take Photo
.
Device Information
Viewing Device Information
You can view device information, such as the unit ID, software
version, regulatory information, and license agreement.
1
Hold
UP
.
2
Select
Settings
>
About
.
Viewing E-label Regulatory and Compliance
Information
The label for this device is provided electronically. The e-label
may provide regulatory information, such as identification
numbers provided by the FCC or regional compliance markings,
as well as applicable product and licensing information.
1
Hold
UP
.
2
From the settings menu, select
About
.
Charging the Device
WARNING
This device contains a lithium-ion battery. See the
Important
Safety and Product Information
guide in the product box for
product warnings and other important information.
NOTICE
To prevent corrosion, thoroughly clean and dry the contacts and
the surrounding area before charging or connecting to a
computer. Refer to the cleaning instructions in the appendix.
1
Align the charger posts with the contacts on the back of the
device, and connect the charging clip
À
securely to the
device.
2
Plug the USB cable into a USB charging port.
3
Charge the device completely.
4
Press
Á
to remove the charger.
Tips for Charging the Device
1
Connect the charger securely to the device to charge it using
the USB cable (
).
You can charge the device by plugging the USB cable into a
Garmin approved AC adapter with a standard wall outlet or a
USB port on your computer. Charging a fully depleted battery
takes up to two hours.
2
Remove the charger from the device after the battery charge
level reaches 100%.
Specifications
Battery type
Rechargeable, built-in lithium-ion
battery
Forerunner 645 battery life,
watch mode
Up to 7 days with activity tracking,
smartphone notifications, and wrist-
based heart rate
Forerunner 645 battery life,
activity mode
Up to 14 hr. with GPS and wrist-based
heart rate
Forerunner 645 Music battery
life, watch mode
Up to 7 days with activity tracking,
smartphone notifications, and wrist-
based heart rate
Forerunner 645 Music battery
life, watch mode with music
Up to 8 hr. with activity tracking,
smartphone notifications, wrist-based
heart rate, and music playback
Forerunner 645 Music battery
life, activity mode
Up to 14 hr. with GPS and wrist-based
heart rate
Forerunner 645 Music battery
life, activity mode with music
Up to 5 hr. with GPS, wrist-based heart
rate, and music playback
Water rating
Swim, 5 ATM*
Forerunner 645 Music media
storage
3.5 GB (approximately 500 songs)
Operating temperature range
From -20º to 60ºC (from -4º to 140ºF)
Charging temperature range
From 0º to 45ºC (from 32º to 113ºF)
24
Device Information
Summary of Contents for FORERUNNER 645
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