Garmin GPSMAP 420s - Marine GPS Receiver Support and Manuals

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Most Recent Garmin GPSMAP 420s Questions

Garmin 420s Not Turning On
Garmin 420s in permenant mounting will turn on and get to the "second screen level", starts with a d...
(Posted by dave18461 11 years ago)
Brighten Screen
How to brighten screen on 420 very dull
(Posted by petermobile 12 years ago)
System Update From Sd Card Not Executed
I created a SD card with system software update data, inserted the card in my GPSMAP 420s unit, and ...
(Posted by zdenbenes 12 years ago)

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Popular Garmin GPSMAP 420s Manual Pages

Owner's Manual - Page 3

... and Removing SD Cards: page 6. • Restoring Factory Settings: page 6. • Using the Navigation Chart: page 8. • Changing the Chart Settings: page 12. • Navigating to adjust the display settings. For example, if you see "select Charts > Navigation Chart," you are instructed to select an item, small arrows (>) appear in the text. Introduction This manual includes...
Owner's Manual - Page 4

...DoC iv Product Registration iv Contact Garmin iv Getting Started 1 Unit Overview 1 Turning the Unit On or Off 3 Initializing Unit Settings 3 Adjusting the Backlight 4 Using the Keypad 5 Acquiring GPS Satellite Signals 5 Using Simulator Mode 6 Viewing System Information 6 Restoring the Original Factory Settings 6 Inserting and Removing SD Cards 6 Understanding the Home Screen 7 Using...
Owner's Manual - Page 12

.... 1. Insert optional BlueChart® g2 Vision® SD cards to purchase additional map data information. Press the card in again and release it to navigate using simulator mode because the GPS receiver is located on Simulator mode: 1. Select Setup to adjust unit settings (page 3). Restoring the Original Factory Settings NOTE: This procedure deletes any information you to...
Owner's Manual - Page 14

... using a GPSMAP 420/421/520/521/525/526 (including "s" models), you are available when using optional BlueChart g2 Vision preprogrammed SD cards. • Fishing Chart-provides a view of the chart with enhanced bottom contours and without navigational data. Note: If you must insert an optional BlueChart g2 Vision preprogrammed SD card to view detailed Navigation and Mariner's Eye...
Owner's Manual - Page 18

... available while using a BlueChart g2 Vision SD card. Use the map pointer ( ) to Off, Land Only, or On. Photos-sets the high-resolution satellite images to highlight a tide-station icon ( ), and press SELECT. High-resolution satellite imagery is connected to a compatible marine wind sensor. 12 GPSMAP 400/500 Series Owner's Manual Tides/Currents-turns tides and currents...
Owner's Manual - Page 40

...the following: • Select Merge From Card to transfer data from the SD card to the chartplotter and combine it with existing user data. • Select Replace From Card to overwrite items on your chartplotter. 6. To transfer data (waypoints, routes, tracks) to the GPSMAP 400/500 Installation Instructions.) 34 GPSMAP 400/500 Series Owner's Manual To t�r�a�n�...
Owner's Manual - Page 41

... the computer to delete the data. 2. Insert an SD card into the SD card slot on the SD card. 6. Select OK to an SD card in the Garmin\UserData folder. 3. Complete one of the following : 2. See page 50 for more information. To restore backup data to your chartplotter. • Select Clone User Data to transfer waypoints, routes, and tracks to other...
Owner's Manual - Page 46

...) to the right of the decimal point for serial port 2 to use when connecting your chartplotter to external NMEA devices, a computer, or other Garmin devices. GPSMAP 400/500 Series Owner's Manual Configuring Communications Settings To change the communications settings from the Home screen, select Configure > Preferences > Navigation > Auto Guidance > Shoreline Distance > Nearest. 10.If...
Owner's Manual - Page 52

... the Split Frequency Screen Use the Split Frequency screen (dual-frequency transducer only) to view the full sonar data from the graph and a zoomed in portion on the right. Depth, temperature, and speed Range Frequencies Split Frequency 46 Zoomed depth scale Zoom window Range Zoom level Transducer frequency Split Zoom GPSMAP 400/500 Series Owner's Manual A 50 kHz frequency graph appears...
Owner's Manual - Page 55

Frequency-when using a dual frequency transducer, select how the frequencies appear on-screen (200kHz, 50kHz, Dual, or Auto). Zoom-zoom in to a section of the sonar receiver (Auto, or to adjust manually, Manual). To see more detail, increase the gain. When Frequency is set to Dual (and Gain is set to show the most detail with the least noise. Gain-controls the sensitivity...
Owner's Manual - Page 63

...'s Manual Appendix Antenna Input is not moving fast enough for your dealer or Garmin Product Support if the problem persists. Can't Read Voltages That High, Limited To Top Of Range-the voltage value in the Battery Alarm setup. Battery Voltage Is Too High-too much input voltage-the unit shuts off in 10 seconds. Dual Frequency, 500...
Owner's Manual - Page 64

... Error-internal problem with an MMSI. Delete unneeded contacts to have an SD card inserted into the SD card slot in the Battery Alarm setup is not unlocked for the transducer (page 43). Entering Unsafe Region-the boat is Full, Can't Create Entry-the DSC directory has reached the maximum of the sky. GPSMAP 400/500 Series Owner's Manual Entering...
Owner's Manual - Page 65

... the previous route name. Reduce the number of data. Sonar Timeout-there is full. If the transducer cable is removed while the unit is on the SD card. No Waypoints/Routes/Tracks/User Waypoints Found-attempted to transfer user data from another device has more than 250 points to a route. Route Waypoint Memory Full-no...
Owner's Manual - Page 69

...Card 34, 35, 37 screenshots 60 scroll speed 47 SD cards inserting 6 removing 6 L Lane Width 15, 17 Language 38 M Man Overboard 24, 52 map datum 38 MapSource data 33 mariner...specifications 55 Points of measure 37 Shoreline Distance 39 simulator 37 mode 6 Skyview 37 software license agreement 61 software version 37 GPSMAP 400/500 Series Owner's Manual...Port setup 40 Service Points 12 settings alarms...
Owner's Manual - Page 70

... 14 Surface Noise 47 symbols 14 System Alarms 42 System Information 37 viewing 6 system settings 37 T Temp Log 47 Temp Offset 43 Tides/Currents 12 tide stations 32 viewing information 12 64 Time (options) 38 tracks 18, 26 transducer dual frequency 49 transferring data 33, 34 Trip Odometer 31 True (north) 38 turn the...

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We have the following 4 documents available for the Garmin GPSMAP 420s:
  • Owner's Manual
  • Flush Mount Kit Instructions and Template (Multilingual)
  • Quick Reference Guide
  • Declaration of Conformity

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