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Garmin GPSMAP 178C Support Question

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Question posted by flyodd1 on June 26th, 2010

Depth Sounder Not Working

I have a garmin 178C and the depth sounder works fine at slow speeds but as soon as I pick up the speed to get on plane it goes blank. It will come back as soon as I slow down. Is my thansducer shot? I'm not sure if the the fish sounder is working.

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Related Garmin GPSMAP 178C Manual Pages

Owners Manual - Page 3

... for your new navigation system, take the time to www.garmin.com/support/, and click Product Support. In Europe, contact Garmin (Europe) Ltd. Preface Congratulations on choosing one of Garmin GPS and full-featured mapping to create an unsurpassed marine navigation chartplotter. The Garmin GPSMAP 178/178C Sounder utilizes the proven performance of the most out of America...

Owners Manual - Page 4

... off and on a different circuit from the GPS unit. • Consult the dealer or an...• Reorient or relocate the receiving antenna. • Increase the separation between the equipment and the receiver. • Connect the equipment ... Standard RSS-310. This product does not contain any interference received, including interference that interference will not occur in a residential ...

Owners Manual - Page 7

...; technology helps separate fish returns from the additional set of WAAS (Wide Area Augmentation System) satellites to 12 satellites for detailed electronic charting capability, the Garmin GPSMAP 178/178C Sounder is a powerful navigation device that can give you need: Precision Performance • (178) 10 level grayscale FSTN display with backlighting •...

Owners Manual - Page 8

...; Cigarette Lighter Adapter • BlueChart Marine Data Cards, MapSource CDs, USB Data Card Programmer and Data Cards • USB Data Card Programmer • GBR 21 Beacon Receiver for your GPS unit, current user manuals and software updates, visit our web site at www.garmin.com. Standard Package: • GPSMAP 178/178C Sounder Unit • GA 29 Remote...

Owners Manual - Page 14

... sure the GPSMAP 178/178C Sounder unit and antenna have been correctly installed on the GPSMAP 178/178C Sounder: 1. The antenna needs to be given an opportunity to receive satellite signals. To acknowledge the introduction: 1. To ensure proper initialization, the GPSMAP 178/178C Sounder is shipped from the factory in Appendix A. To turn on your GPSMAP 178/178C Sounder, the receiver...

Owners Manual - Page 15

...GPS' tab is shown in any way, but rather helps to initialize the receiver from at least three satellites, the top of the screen displays either "Ready (2D or 3D)", and the GPSMAP 178/178C Sounder... minutes. the receiver has collected the necessary data and the satellites are ready for each bar. Using the ARROW KEYPAD, highlight 'Initialize Position' and press ENTER to speed up the initial...

Owners Manual - Page 16

...for dimmer backlighting. To turn the GPSMAP 178/178C on performing specific tasks and functions. The GPS Information Page appears as the receiver begins acquiring satellites. Press and ... A full-screen GPS Information pop-up page goes away after you 're familiar with the POWER key. GPSMAP 178/178C Sounder Getting Started Tour The Garmin GPSMAP 178/178C Sounder is designed to ...

Owners Manual - Page 17

Press Up or Down on the ARROW KEYPAD until the 'GPS' tab is still retained in simulator mode, and this mode should never be used ...for actual navigation. Press the MENU key twice for how the option pages work, let's put the GPSMAP 178/178C Sounder into simulator mode. Each page of the GPSMAP 178/178C Sounder's system also features an options page, which gives you access to other ...

Owners Manual - Page 19

...on-screen map items and waypoints. Using the Map Cursor Working from your present location, let's take a minute to ... on pages 4-5.) 2. Controlled by the receiver, which should be , make sure that you have initialized the receiver and acquired a position as a "waypoint... along with the cursor, you'll see how the GPSMAP 178/178C Sounder's keypad and ENTER/MARK key are used to monitor your...

Owners Manual - Page 21

...fun part-going to select a pre-programmed tour route using the receiver's steering guidance and map displays. Going to a Destination GPS is the primary tool used to select a destination waypoint, TracBack... and point to a location from the Initialize Position Page. 11 To change the GPSMAP 178/178C Sounder position in the simulator setup window and press ENTER. 4. Getting Started Using the ...

Owners Manual - Page 26

Bacause the compass rings uses GPS technology, you are not navigating to a waypoint, the compass shows your course over ground (track) while you move on the bearing to display the Highway Page. 16 The current speed, distance to the waypoint. The compass ring and pointer arrow work independently to the GPSMAP 178/178C Sounder's navigation pages by...

Owners Manual - Page 40

... of Arrival to final waypoint • TIME TO NEXT - Fastest speed the unit has traveled • MOVE AVERAGE SPEED - Distance from your destination • POSITION - Estimated Time of Arrival to next waypoint • ELEVATION - Time to next waypoint • GPS ACCURACY - Desired Track • DEPTH - Elevation above/below transducer • DIST TO DESTINATION - Current...

Owners Manual - Page 79

...Menu: GPS Tab Highlight 'WAAS Off' and press ENTER to the right of the GPS signal for GPS satellites (numbers 32 or below), a 'D' appears in the signal bar of the sky and works best... been received for aviation use the ARROW KEYPAD to calculate horizontal position accuracy in your area. WAAS Capability The GPSMAP 178/178C is capable of development, visit the FAA web site (http://gps.faa....

Owners Manual - Page 87

...especially in two major areas: Distress Calls and Position Reporting. Garmin does not supply this number! DSC is received, the mariner may then choose to navigate (Go To) the caller's ... marine VHF radio and Global Positioning System (GPS) technologies to make a "call on an electronic map. Once a DSC position is used in a single transmission or "call , they immediately receive the...

Owners Manual - Page 89

... range. DSC Distress Call With a Garmin DSC capable chartplotter/sounder properly connected to all DSC users. During normal, non-emergency Position Report communication, Channel 70 (156.525 MHz) has been set off and the call is received. When the Garmin GPSMAP 178/178C is like a phone call channel. Any DSC-equipped mariner (on Map: If you have...

Owners Manual - Page 92

...before connecting to check if alarms are working properly. You may be exchanged with those of your GPS. 4. A 'Transfer Complete' message appears... all selected items on your GPS. Press ENTER. 82 Using the NAV Key The receiver of a Distress Call or Position... ENTER to combine the selected items with other compatible units and Garmin's MapSource PC program. If there is saved to a data ...

Owners Manual - Page 96

... Data Transfer Progress 86 Time Submenu Tab- The UTC offset is used when connecting your time zone to external NMEA devices, a DGPS beacon receiver, a personal computer, another Garmin GPSMAP 178/178C. displays the current time and date, allows you are 11 Transfer Modes to choose from 'Auto', 'On', or 'Off' to adjust for daylight...

Owners Manual - Page 102

... mast to prevent inaccurate speed readings caused by the boat's superstructure, a radome antenna, or mast. The Garmin antenna screws directly onto any bulkhead or deck. 3. To complete the installation, you'll need the appropriate fasteners and a 1" x 14-thread marine antenna mount available at most marine dealers. If you have a GPSMAP 178/178C with an internal antenna...

Owners Manual - Page 110

...sure that the fuse is installed and not blown. It may be in the water to ensure proper operation throughout the speed range. If the unit fails to power on . Press the POWER button and the GPSMAP 178/178C... to work properly....depth/distance reading when out of the unit, the Red and Black wires are connected to the correct polarity, and that the transducer is necessary to carry the sounder...

Owners Manual - Page 112

... to enter correct information could result in inaccuracies for the desired destination. The GPSMAP unit automatically converts GPS coordinates to LORAN TDs for inland navigation by the United States Coast Guard....operation of a mariner, the system is a radio navigation aid operated and maintained in the LORAN TD format mode, it is used as if the unit was actually receiving LORAN signals. ...