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and supplemental information concerning the use of this product.
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See the Important Safety and Product Information guide in the
product box for product warnings and other important
information.
Device Overview
FRS/GMRS antenna
À
GPS antenna
Á
Camera lens and flash (not available on all models)
Â
Mini-USB port (under weather cap)
Ã
2.5 mm headset jack (under weather cap)
Battery cover D-ring
Ä
microSD® card slot (under battery door)
Å
Battery Information
WARNING
The temperature rating for the device may exceed the usable
range of some batteries. Alkaline batteries can rupture at high
temperatures.
Do not use a sharp object to remove batteries.
CAUTION
Contact your local waste disposal department to properly
recycle the batteries.
NOTICE
Alkaline batteries lose a significant amount of their capacity as
the temperature decreases. Use lithium batteries when
operating the device in below freezing conditions.
Maximizing the Battery Life
You can do several things to extend the life of the batteries.
• Reduce the backlight brightness (Adjusting the Backlight
Brightness, page 13).
• Reduce the backlight timeout (Display Settings, page 14).
• Use battery save mode (Turning On Battery Save Mode,
page 1).
• Decrease the map drawing speed (Configuring the Maps,
page 15).
Turning On Battery Save Mode
You can use battery save mode to prolong the battery life.
From the app drawer, select Setup > Display > Battery Save > On.
In battery save mode, the screen shuts off when the backlight
times out. You can select to turn on the screen.
Long-Term Storage
When you do not plan to use the device for several months,
remove the batteries. Stored data is not lost when batteries are
removed.
Installing the Lithium-ion Battery
Locate the Lithium-ion battery pack included in the product
1
box.
Align the metal contacts on the battery pack with the metal
2
contacts on the back of the device.
Press and hold the battery pack in place.
3
Turn the D-ring clockwise to secure the battery pack onto the
4
device.
Charging the Battery Pack
NOTICE
To prevent corrosion, thoroughly dry the USB port, the weather
cap, and the surrounding area before charging or connecting to
a computer.
Do not attempt to use the device to charge a battery that was
not provided by Garmin®. Attempting to charge a battery that
was not provided by Garmin can damage the device and void
the warranty.
Before you can connect the straight connector of the USB cable
to your device, you may need to remove optional mount
accessories.
NOTE: The device does not charge when outside the approved
temperature range (Specifications, page 18).
You can charge the battery using a standard wall outlet or a
USB port on your computer.
Pull up the weather cap À from the mini-USB port Á.
1
Plug the small end of the USB cable into the mini-USB port.
2
Plug the USB end of the cable into an AC adapter or a
3
computer USB port.
If necessary, plug the AC adapter into a standard wall outlet.
4
When you connect the device to a power source, the device
turns on.
Charge the battery completely.
5
Introduction1
Installing AA Batteries
Instead of the Lithium-Ion battery pack (Installing the Lithium-ion
Battery, page 1), you can use four alkaline, NiMH, or lithium AA
batteries with an optional AA battery pack (not included). This is
useful when you are on the trail and cannot charge the LithiumIon battery pack. Use NiMH or lithium batteries for best results.
The AA battery pack contains two parts.
If necessary, turn the D-ring counter-clockwise, and pull up to
1
remove the battery pack from the device.
Push down on the lever inside the AA battery pack À to
2
separate the two parts Á.
Insert four AA batteries, observing polarity.
3
WidgetsSwipe down to view widgets (Viewing Widgets,
À
Á
(Call key)
Â
(Power key)
PTT
Ã
(Push-to-talk)
Main menuSelect the radio dashboard at the top of the main
Ä
Volume keys Select to adjust the volume.
Å
Æ
(App drawer)
page 5).
Select to transmit an attention tone on the current
channel.
Hold to send an emergency alert (Emergency Alerts,
page 4).
You can customize the function of this key
(Customizing the Keys, page 14).
Select to adjust the backlight.
Hold to turn the device on or off.
Hold to transmit on the current radio channel
(Transmitting, page 3).
menu to launch the radio app.
You can customize the dashboard on the main menu
(Customizing the Dashboard on the Main Menu,
page 14).
Select the shortcuts to launch applications.
You can customize the shortcuts on the main menu
(Customizing the Main Menu, page 14).
Swipe up to open apps and Connect IQ™ apps.
Starting at the bottom, connect the two parts of the battery
4
pack together and press until the top locks into place.
Align the metal contacts on the battery pack with the metal
5
contacts on the back of the device.
Press and hold the battery pack in place.
6
Turn the D-ring clockwise to secure the battery pack onto the
7
device.
Turning On the Device
Hold .
Device Operation
You can operate this device using a combination of hardware
key and touchscreen actions.
Opening the App Drawer
The app drawer contains all of the applications used to operate
this device.
From the main menu, swipe up from the bottom of the
1
screen.
Swipe down from the top of the screen to return to the main
2
menu without launching an application (optional).
Locking the Touchscreen
You can lock the screen to prevent inadvertent screen touches.
Select > .
Acquiring GPS Signals
When you turn on your navigation device, the GPS receiver
must collect satellite data and establish the current location. The
time required to acquire satellite signals varies based on several
factors, including how far you are from the location where you
last used your navigation device, whether you have a clear view
of the sky, and how long it has been since you last used your
navigation device. The first time you turn on your navigation
device, it may take several minutes to acquire satellite signals.
Turn on the device.
1
Wait while the device locates satellites.
2
If necessary, go to an open area, away from tall buildings and
3
trees.
in the status bar indicates the satellite signal strength. When
at least half the bars are filled, the device is ready for navigation.
2Introduction
Radio
In the United States and Canada, this device uses Family Radio
Service (FRS) and General Mobile Radio Service (GMRS) for
two-way communication with other compatible radio devices.
In Australia, this device uses UHF Citizen Band Radio Service
(UHF CBRS), and in New Zealand, this device uses UHF
Personal Radio Service (PRS) for two-way communication with
other compatible radio devices.
When communicating with other Garmin Rino devices,
additional features are available.
Transmitting
To communicate with other Rino and FRS/GMRS or UHF
CBRS/PRS radio users, you must be on the same channel and
code (Channels and Codes, page 3).
Hold PTT.
1
Speak into the front of the device.
2
After you are finished speaking, release PTT.
3
After you release PTT, the radio transmits your position
information, and you cannot hear incoming transmissions
until your transmission is complete . A roger tone sounds on
your radio and on the radios receiving your transmission to
confirm that the transmission is complete.
NOTE: You can change or disable the roger tone (Setting the
Device Tones, page 15).
The Radio App
Using the radio app, you can view information about the radio,
control the radio channel and squelch codes, and customize the
radio features.
Icons along the top of the radio page provide useful information
about the radio.
: Indicates the activity status of the radio. When an arrow is
pointing at the radio, the radio is receiving a transmission.
When an arrow is pointing away from the radio, the radio is
transmitting.
: The radio is ready to transmit position information (Peer-to-
Peer Positioning, page 4).
: Weather alerts are enabled (Radio App Settings, page 4).
: The radio is muted (Adjusting the Radio Volume, page 3).
Opening the Radio App
You can manage your channel, code, and other radio settings in
the radio app.
From the app drawer, select Radio.
TIP: You can also select the radio dashboard at the top of the
main menu to open the radio app.
Adjusting the Radio Volume
From any screen, select the volume keys to change the radio
1
volume.
The volume screen appears.
Select to mute or restore the radio volume (optional).
2
Adjusting the Squelch Level
You can adjust the sensitivity level of the squelch to filter out
background noise. When you adjust the squelch level higher,
fewer weak background signals are heard.
When you hear unwanted background noise, from any
1
screen, select the volume keys.
The volume screen appears.
Select under the Squelch bar.
2
You should increase the squelch level until you no longer
hear the unwanted background noise.
Channels and Codes
To communicate with other Rino and FRS/GMRS or UHF
CBRS/PRS radio users, you must be on the same channel.
Rino devices are compatible with third-party FRS/GMRS or UHF
CBRS/PRS radios as long as the radios use standard FRS/
GMRS or CBRS/PRS frequencies. A list of all frequencies used
by this device is available in the product specifications (Radio
Frequency Charts, page 18).
NOTE: GMRS frequencies are regulated by the FCC in the
United States. To transmit on GMRS frequencies, you must
obtain a license from the FCC (FCC Licensing Information,
page 20).
US and Canada Channel NumberChannel Type
1 through 7GMRS and FRS channels
8 through 14FRS channels
15 through 22GMRS channels
15R through 22RRepeater channels
Australia and New Zealand Channel
Number
1 through 40UHF CBRS/PRS channels
1R through 8RCBRS/PRS repeater channels
Squelch codes allow you to filter calls from other users on the
same channel, so you hear only the radios you want to hear.
The device has two different squelch modes, Continuous Tone
Controlled Squelch System (CTCSS) and Digital-Coded Squelch
(DCS). Calls on the channel that are not using the same squelch
code in the same squelch mode are ignored.
NOTE: Squelch codes do not make your conversation private.
Anyone on the same channel can hear your conversation.
Squelch Tone
Mode
CTCSS1 through 38
DCSListed in the product specifications (Radio
Squelch Codes
Frequency Charts, page 18)
Selecting a Channel
From the radio app, select Channel.
1
Select or to change the channel.
2
Select .
3
Selecting a Squelch Code
From the radio app, select Code CTCSS or Code DCS.
1
Select or to change the code.
2
NOTE: Selecting Off allows you to hear everything on the
channel.
Select .
3
NOTE: If you cannot hear calls on the same channel with the
same code, make sure all the radios are using the same squelch
tone mode (Changing the Squelch Tone Mode, page 3).
Changing the Squelch Tone Mode
This device can use two types of squelch tone modes, CTCSS
and DCS. If you cannot hear calls on the same channel with the
same code, make sure all the radios are using the same squelch
tone mode.
From the radio app, select > Radio Setup > Squelch
1
Tone Mode.
Select a squelch tone mode.
2
Monitoring a Channel for Activity
You can monitor a single channel for any activity, including static
and weak voice signals. This is helpful if a signal is going out of
range.
From the radio app, select the channel you want to monitor.
1
Channel Type
Radio3
Select Monitor.
2
Scanning Channels
You can scan the channels for voice activity. This can help you
find a channel with light activity for your group to use, or to find
other radio users in the area.
From the radio app, select Scan.
Configuring the Scan List
By default, all available channels are included when scanning.
You can configure the scan list to include only specific channels
and squelch codes. Selecting specific channels and codes
reduces the scan time and may help prevent a missed
transmission.
From the radio app, select > Scanlist Setup.
1
Select one or more channels to remove from the list.
2
To restrict the scan to the current squelch code, select >
3
Scan Current Codes (optional).
Select .
4
Repeater Channels
This device can use GMRS repeater channels in the US, and
CBRS/PRS repeater channels in Australia and New Zealand.
GMRS repeater channels are not available in Canada.
Repeater channels use repeaters, when available, to enable
communication around obstacles or increase transmission
distance. Position reporting is not allowed by the FCC on GMRS
repeater channels.
Peer-to-Peer Positioning
You can send your location information to other Rino users
using peer-to-peer positioning. Through peer-to-peer
positioning, you can also track the movement of other Rino
users and navigate to their locations.
Peer-to-peer positioning is enabled by default, and your position
information is sent when you press the PTT key (push-to-talk) or
the key (call).
NOTE: You can send location information only once every 30
seconds, due to FCC restrictions.
After you send location information, the icon changes to a
countdown timer so you know when location information can be
sent again.
Polling Other Rino Users
You can request position updates for other Rino users who are
in your saved contacts (Saving a New Contact, page 4).
From the contacts app, select a saved contact.
1
Select Poll Location.
2
The location of the contact is updated on the map.
Editing Your Contact Info
From the radio app, you can change the symbol and name
transmitted to other Rino users through peer-to-peer positioning.
• To change your name, select the name field.
• To change your symbol, select the symbol.
Contacts
You can save information about another Rino user as a contact.
You can view location information and navigate to the location of
users in your contacts list.
Saving a New Contact
The first time the device receives a peer-to-peer positioning
signal from another Rino user, the new contact page appears.
To save the contact details or navigate to the contact in the
future, you must save the new contact in your contacts list.
From the new contact page, select OK.
The new contact is saved in your contacts list.
Viewing Contacts on the Map
From the main menu, select Contacts.
1
TIP: To open the contacts app from the radio app, select .
Select a contact.
2
Select View Map.
3
Navigating to a Contact
From the app drawer, select Contacts.
1
TIP: To open the contacts app from the radio app, select .
Select a contact.
2
Select View Map > Go.
3
Follow to the contact's location.
4
Notes
You can send short notes to other Rino users on your current
channel and code. You can review previously received notes
from your contacts. You can edit and save favorite notes to
quickly send them later.
NOTE: Notes transmit to all users on your current channel and
code, not just to your saved contacts.
Creating, Saving, and Sending Notes
From the app drawer, select Notes.
1
TIP: To open the notes app from the radio app, select .Select Send Note > New Note.
2
Enter the note text.
3
Due to FCC regulations, you can enter a maximum of 13
characters in a note.
Select .
4
Select an option:
5
• To send the note without saving it, select Send Note.
• To save the note without sending it, select Save.
• To save the note and send it, select Send and Save.
Emergency Alerts
You can send an emergency alert to all Rino users on the
current channel and code. Users can respond to an emergency
alert to immediately begin navigating to your position.
Sending an Emergency Alert
To send emergency alerts to other Rino and FRS/GMRS or UHF
CBRS/PRS radio users, you must be on the same channel.
Hold .
1
Select Yes.
2
The device sends an emergency alert every 60 seconds until
another Rino user responds to the alert or you cancel the
alert.
Responding to an Emergency Alert
To receive emergency alerts from other Rino and FRS/GMRS or
UHF CBRS/PRS radio users, you must be on the same channel.
When you receive an emergency alert, select Help.
1
The device sends a response to the alert sender, and begins
navigation to the sender's location automatically.
Follow to the sender's location.
2
Radio App Settings
From the radio app, select .
Turn Radio Off: Turns off the radio functionality. You cannot
make or receive transmissions when the radio functionality is
turned off.
4Radio
Enable Weather Alert: Enables weather alert tones on the
current channel or on all channels (Advanced Radio Setup,
page 5).
Radio Setup
From the radio app, select > Radio Setup.
Send Location: Enables sending position information when you
transmit to other Rino users.
Allow Polling: Allows polling requests from other Rino users.
Power Level: Sets the power level used to transmit using
GMRS channels in the US and Canada, and UHF
CBRS/PRS channels in Australia and New Zealand. FRS
channels in the US and Canada can transmit using only 1/2 W
power. If the battery level is too low to support transmissions
using higher power levels, the value of this setting decreases
automatically.
Squelch Tone Mode: Sets the squelch mode (Changing the
Squelch Tone Mode, page 3).
Repeater Channel: Enables the GMRS repeater channels in
the US, and the CBRS/PRS repeater channels in Australia
and New Zealand. GMRS repeater channels are not
available in Canada (Repeater Channels, page 4).
Advanced Radio Setup
From the radio app, select > Radio Setup > Advanced
Setup.
Headset Type: Sets the type of accessory headset or
microphone you are using with the device (Headsets and
Microphones, page 17).
VOX Level: Sets the sensitivity of a connected Voice Operated
Transmission (VOX) accessory. A lower VOX setting is
recommended for quiet environments, and a higher VOX
setting is recommended for noisy environments.
Weather Alert: Sets the channels that are monitored for
weather alerts when weather alerts are enabled.
Connected Features
Connected features are available for your Rino 750/755t device
when you connect the device to a compatible smartphone using
Bluetooth® wireless technology. Some features require you to
install the Garmin Connect™ Mobile app on the connected
smartphone. Go to www.garmin.com/apps for more information.
Phone notifications: Displays phone notifications and
messages on your Rino 750/755t device.
Activity uploads to Garmin Connect: Automatically sends
your activity to your Garmin Connect account as soon as you
finish recording the activity.
Connect IQ: Allows you to extend your device features with
widgets, data fields, and apps.
Software Updates: Allows you to update your device software.
EPO Downloads: Allows you to download an extended
prediction orbit file to quickly locate GPS satellites and
reduce the time it takes to calculate your position.
Live Geocache Data: Provides free and subscription-based
services to view live geocache data from
www.geocaching.com.
Weather: Allows you to view current weather conditions and
weather forecasts. You can also view weather radar on the
map.
Pairing Your Smartphone
Go to garmin.com/apps, and download the Garmin Connect
1
Mobile app to your smartphone.
Bring your smartphone within 10 m (33 ft.) of your device.
2
On your device, from the app drawer, select Setup >
3
Bluetooth, and follow the on-screen instructions.
From your smartphone, open the Garmin Connect Mobile
4
app, and follow the on-screen instructions to connect a
device.
The instructions are provided during the initial setup, or can
be found in the Garmin Connect Mobile app help.
Phone notifications require a compatible smartphone
equipped with Bluetooth Smart wireless technology. Go to
garmin.com/ble for compatibility information.
Viewing Widgets
Your device is preloaded with a widget that displays the status
of your connections and other information. Additional widgets
can be added from the Connect IQ app (Connect IQ Features,
page 5).
Swipe down from the top of the screen.
1
Swipe left or right to view more widgets.
2
Select to return to the previous screen.
3
Connect IQ Features
You can add Connect IQ features to your device from Garmin
and other providers using the Garmin Connect Mobile app. You
can customize your device with data fields, widgets, and apps.
Data Fields: Allow you to download new data fields that present
sensor, activity, and history data in new ways. You can add
Connect IQ data fields to built-in features and pages.
Widgets: Provide information at a glance, including sensor data
and notifications.
Apps: Add interactive features to your watch, such as new
outdoor and fitness activity types.
Downloading Connect IQ Features
Before you can download Connect IQ features from the Garmin
Connect Mobile app, you must pair your Rino device with your
smartphone.
From the settings in the Garmin Connect Mobile app, select
1
Connect IQ Store.
If necessary, select your device.
2
Select a Connect IQ feature.
3
Follow the on-screen instructions.
4
Weather
The weather app preloaded on this device provides weather
information from two sources.
• When connected to a smartphone, the device provides
current weather conditions, forecasts, and weather-radar
information from the Internet.
• When set to monitor for weather broadcasts, the device can
receive radio-transmitted Specific Area Message Encoding
(SAME) county weather alerts.
Monitoring SAME Weather Alerts
SAME weather alerts allow you to receive radio-transmitted
county weather alerts on your device.
NOTE: SAME weather alerts are available in the US only.
From the radio app, select Weather.
1
Select a channel.
2
You can receive weather alerts only on the selected weather
channel.
When you receive a weather alert on the selected channel, a
message appears containing the alert information.
The weather radio must remain on to receive weather alerts.
Connected Features5
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