User Manual

• Look for the ANT+LINK HERE logo on compatible fitness
equipment.
• Look for the Bluetooth logo on compatible fitness equipment.
Replacing the HRM-Dual Battery
1
Use the included screwdriver (Torx T5) to remove the four
screws on the back of the module.
NOTE: HRM-Dual accessories produced before September
2020 use Phillips #00 screws.
2
Remove the cover and battery.
3
Wait 30 seconds.
4
Insert the new battery with the positive side facing up.
NOTE: Do not damage or lose the O-ring gasket.
5
Replace the back cover and the four screws.
NOTE: Do not overtighten.
After you replace the heart rate monitor battery, you may need
to pair it with the device again.
Heart Rate Monitor Specifications
Battery type User-replaceable CR2032, 3 V
Battery life Up to 3.5 yr. at 1 hr./day
Water resistance 1 ATM
1
NOTE: This product does not transmit heart
rate data while swimming.
Operating temperature
range
From -5° to 50°C (from 23° to 122°F)
Wireless frequency/
protocol
2.4 GHz @ 2 dBm nominal
Limited Warranty
The Garmin standard limited warranty applies to this accessory.
For more information, go to www.garmin.com/support/warranty.
© 2019 Garmin Ltd. or its subsidiaries
Garmin
®
, the Garmin logo, and ANT+
®
are trademarks of Garmin Ltd. or its subsidiaries,
registered in the USA and other countries. HRM-Dual
™
is a trademark of Garmin Ltd. or
its subsidiaries. These trademarks may not be used without the express permission of
Garmin.
This product is ANT+
®
certified. Visit
www.thisisant.com/directory for a list of compatible
products and apps. The BLUETOOTH
®
word mark and logos are owned by the Bluetooth
SIG, Inc. and any use of such marks by Garmin is under license.
M/N: A03711
1
The device withstands pressure equivalent to a depth of 10 m. For more
information, go to
www.garmin.com/waterrating.
© 2019 Garmin Ltd. or its subsidiaries support.garmin.com