Garmin GPSMAP 421 Support Question
Garmin GPSMAP 421 Support Question
Find answers below for this question about Garmin GPSMAP 421.Need a Garmin GPSMAP 421 manual? We have 8 online manuals for this item!
Question posted by doyleclifton on November 2nd, 2020
Garmin Gpsmap 421 Reset?
My 421 works great... but it's suddenly not leaving a "bread crumb" track, Can I do a factory reset and how?
Current Answers
Answer #1: Posted by Odin on November 2nd, 2020 6:41 PM
Odin
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April 10th, 2010 Points: 41,236,690
Member since:
April 10th, 2010 Points: 41,236,690
Hope this is useful. Please don't forget to click the Accept This Answer button if you do accept it. My aim is to provide reliable helpful answers, not just a lot of them. See https://www.helpowl.com/profile/Odin.
Related Garmin GPSMAP 421 Manual Pages
Installation Instructions - Page 1
Before installing your Garmin dealer immediately. If any parts are missing, contact your GPSMAP 400 or 500 series chartplotter, confirm that the package contains the items listed on ... GPSMAP 420/430/430x/440/440x/450 GPSMAP 520/525/530/535/540/545/550/555 GPSMAP 421/441/451 GPSMAP 431/531 GPSMAP 521/526/536/541/546/551/556
NMEA 2000 No No Yes No Yes
NMEA 0183 Yes Yes Yes Yes Yes
Garmin ...
Installation Instructions - Page 3
.... Be sure you choose to use a different transducer, installation instructions are available from your Garmin dealer. screw (1) F - 1/4 in . cable clamps (2) G - Cable tie, ..."s" model GPSMAP 400/500 series chartplotters. screw. The following procedures contain installation instructions for optimal performance.
The cable cannot be installed by a professional marine installer. Insert...
Installation Instructions - Page 8
... fishfinder. Route a NMEA 2000 drop cable from a CANet-compatible Garmin Sounder or Fishfinder device. You can use the Garmin CANet with up to 20 ft. (6 m). NOTE: NMEA 2000-compatible GPSMAP 400/500 series chartplotters are available from your local Garmin dealer or marine dealer. NMEA 2000compatible GPSMAP 400/500 series chartplotter
NMEA 2000 device
(not included...
Installation Instructions - Page 9
... for all installations.
➋ ➌
➌ ➊➎
GPSMAP 421, 441, and 451
➌ ➊
GPSMAP 430x and 440x
➍ ➊
GPSMAP 420, 430, 431, 440, and 450
➋ ➌
GPSMAP 530, 535, 540, and 545
➋➊
➊ Wiring harness ➋ NMEA 2000 ➌ External GPS
antenna (sold separately)
➍ Compatible XM
antenna with audio...
Installation Instructions - Page 10
... the sonar signal suddenly is lost . Return the boat to a different location. It might have to move the transducer to the speed at greater risk of the sky.) GPSMAP 420/430/440/450 (s) GPSMAP 520/530/540/550/525/535/545/555 (s): Warm*: Approximately 15 seconds Cold**: Approximately 45 seconds
GPSMAP 421/431/441/451...
Technical Reference for Garmin NMEA 2000 Products - Page 3
... other questions about NMEA 2000-certified Garmin devices, contact Garmin Product Support or a certified NMEA 2000 technician. Technical Reference for the following products: ◦ GPSMAP® 4000/5000/6000/7000 Series chartplotters ◦ GPSMAP 700 Series chartplotters ◦ GPSMAP 4x1/5x1/5x6 Series chartplotters ◦ GMI™ 10 ◦ GPS 17x ◦ GFS™ 10 ◦...
Technical Reference for Garmin NMEA 2000 Products - Page 22
...126208 127489 127497 127505
127505
Fluid Level (when calibrated using a Garmin chartplotter or marine instrument)
GRA 10 (Garmin Rudder Angle Adapter)
Transmit
Receive
059392
ISO Acknowledgment
059392
060928
...Group Function System Time and Date Product Information Position - GPS 17x (GPS Antenna)
Transmit
Receive
059392 060928 126208 126464 126992 126996 129025 129026 129029 129539 129540...
Owner's Manual - Page 3
...This manual includes information for the following products:
GPSMAP® 421/421s GPSMAP 521/521s GPSMAP 551/551s
GPSMAP 451/451s GPSMAP 526/526s GPSMAP 556/556s
Tips and Shortcuts
• Press...On or Off: page 2. • Acquiring GPS Satellite Signals: page 5. • Inserting and Removing SD Cards: page 6. • Restoring the Original Factory Settings: page 5. • Using the Navigation...
Owner's Manual - Page 4
...Garmin iv
Getting Started 1 Unit Overview 1 Turning the Unit On or Off 2 Initializing Unit Settings 2 Adjusting the Backlight 3 Using the Keypad 4 Acquiring GPS Satellite Signals 4 Using Simulator Mode 5 Viewing System Information 5 Restoring the Original Factory...Using Tracks 28 Using BlueChart g2 Vision 30 Navigating with a Garmin Autopilot 30
ii
GPSMAP 400/500 Series Owner's Manual
Owner's Manual - Page 7
Unit Overview
GPSMAP 526/556
Getting Started
NMEA 2000®
Power/Data
External GPS antenna
GPSMAP 421/451/ 521/551
Power/Data
NMEA 2000®
GPSMAP 400/500 Series Owner's Manual
External GPS antenna
Getting Started
POWER/ BACKLIGHT RANGE (-/+) ROCKER MARK SELECT MENU HOME
SD card slot GPSMAP 526 shown
Owner's Manual - Page 11
...screen, select Configure > System >
Simulator. 2.
GPSMAP 400/500 Series Owner's Manual
Viewing System ...GPS receiver off . From the Home screen, select Configure > System > System Information > Factory Settings.
2. MENU-Press to set speed, track control, and position. The unit does not track...www.garmin.com/aboutGPS. For more information about GPS, visit the Garmin Web...
Owner's Manual - Page 13
... Chart-provides a view of the Navigation chart at the same time.
GPSMAP 400/500 Series Owner's Manual
The BlueChart g2 Vision Mariner's Eye 3D is more detailed than the preloaded data.
Mariner's Eye 3D charts and Fish Eye 3D charts are using a GPSMAP 421, 521, or 526 (including "s" models), you use a BlueChart g2 Vision SD...
Owner's Manual - Page 22
... 2. Blue indicates deep water, yellow is shallow water, and red is very shallow water.
GPSMAP 400/500 Series Owner's Manual The On setting indicates shallow water and land with a color scale... such as seen from the Mariner's Eye 3D screen, press MENU. Mariner's Eye 3D (Water Hazard Colors)
Range Rings-toggles the range rings on or off to Waypoints & Tracks, Other Vessels, and Data Bars...
Owner's Manual - Page 53
...lost.
• GPS-view GPS satellites. • Skyview-view the GPS satellite constellation. &#...System Information-view system information and reset factory settings. Select an event to ...> Color Mode to view additional information. A Garmin Product Support representative may ask you to use...applied, unless the chartplotter is turned off .
GPSMAP 400/500 Series Owner's Manual
Configuring the ...
Owner's Manual - Page 62
Using Sonar
Using Sonar
When connected to a transducer, the following chartplotters can be used as fishfinders:
GPSMAP 421s GPSMAP 451s GPSMAP 521s GPSMAP 526s GPSMAP 551s GPSMAP 556s
Understanding the Full Screen
Select the Full Screen option to view a full-screen graph of the transducer's sonar readings.
Depth Temperature
Speed
Suspended targets
...
Owner's Manual - Page 72
... 451: 4.0 in . (75 cm)
Performance Receiver:
High-sensitivity, 14 parallel channel, WAAS-capable receiver:
GPSMAP 421/421s GPSMAP 451/451s GPSMAP 521/521s GPSMAP 551/551s
High-sensitivity, 12 parallel channel, WAAS-capable receiver:
GPSMAP 526/526s GPSMAP 556/556s
66
GPSMAP 400/500 Series Owner's Manual
Range: From 5ºF to 131ºF (from -15ºC to IEC 529...
Owner's Manual - Page 73
Acquisition Times: (Average acquisition times for a stationary receiver with a clear view of the sky)
GPSMAP 421/421s GPSMAP 451/451s GPSMAP 521/521s GPSMAP 551/551s
Warm*: Approximately 1 second Cold**: Approximately 38 seconds
GPSMAP 526/526s GPSMAP 556/556s
Warm*: Approximately 15 seconds Cold**: Approximately 45 seconds
*Warm: your unit is at or near the last location where you...
Owner's Manual - Page 78
... source code form remains a valuable trade secret of Garmin. NMEA 2000 The following GPSMAP 400 and GPSMAP 500 series chartplotters are NMEA 2000 certified and can receive data from a NMEA 2000 network installed on the Software. GPSMAP 421/421s GPSMAP 451/451s GPSMAP 551/551s
GPSMAP 521/521s GPSMAP 526/526s GPSMAP 556/556s
To connect one of these chartplotter to...
Owner's Manual - Page 79
...Tracks 15 aerial photos 19 AIS 41, 42, 54, 65
targeting symbols 42 threats 42 AIS Alarm 55 alarms 52, 68-71 AIS 55 anchor drag 52 battery 52 clock 52 collision 55 deep water 53 engine gauge 33 fish 53 fuel 53 GPS...fish eye 3D 17 fishing 17 mariner's eye 3D 15 navigation 7 settings...Compass Tape 9 contact information, Garmin iv coordinates, grid
creating waypoints...GPSMAP 400/500 Series Owner's Manual 73
Owner's Manual - Page 80
...iv
GPSMAP 400/500 Series Owner's Manual Index
E
edit a route 27 edit existing waypoint 25 Edit Waypoint 25 EGNOS 47 Enter Coordinates 25 Event Log 47
F
factory ...settings restoring 5
fish eye 3D 17 settings 17
Fishing 9 fishing chart 17 Fish Symbols 17, 59 frequency 60 Fuel Capacity 54 fuel gauge 35 full screen, sonar 56 fuse 67
G
gain 60 Garmin Data Transfer 50 go to 23 GPS 4, 47, 67 GPS...
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