5 POWER CONNECTIONS ...............................................................................13 BRACKET INSTALLATION ............................................................................14 PORTABLE ASSEMBLY ................................................................................15 SPEED/TEMP SENSORS ..............................................................................16 KEYBOARD BASICS .................................................................................

The menu will clear automatically after a few seconds or you can press the ON/ CLEAR key to clear the screen. ASP (Advanced Signal Processing) ASP is a program embedded in the Supra I.D.’s computer that is specifically designed to eliminate noise. It continually monitors the signals from the receiver, determines which echoes are noise and rejects them. This allows true target echoes to display on the screen with a minimum of clutter. This feature is especially useful since it typically lets y

This causes the sonar to automatically increase its Discrimination or noise rejection feature. This can cause the unit to eliminate weaker signals such as fish or even structure from the display. 60 Try using resistor spark plugs or routing the sonar unit's power and transducer cables away from other electrical wiring on the boat. No fish arches when the Fish I.D. feature is off: 1. Make certain the transducer is pointing straight down. This is the most common problem if a partial arch is displa

Remember: the unit must have a clear view of the satellites in order to receive their signals. Unlike radio or television signals, GPS works at very high frequencies. These signals can be easily blocked by trees, buildings, an automobile roof, even your body. Like most GPS receivers, this unit doesn’t have a compass or any other navigation aid built inside. It relies solely on the signals from the satellites to calculate a position. Speed, direction of travel, and distance are all calculated fro

Use the arrow keys to select the desired unit of measure, then press the PWR key to clear the menu. Depth menu controls the unit of measure used to show depth. 39 TEMPERATURE UNITS OF MEASURE This unit can show the temperature (if a temperature sensor is attached) in degrees Fahrenheit or Celsius. To change the unit of measure, press MENU DOWN until the SYSTEM menu appears. Press UP ARROW, then press MENU until the TEMPERATURE menu appears. Use the arrow keys to select the measurement unit, then

In this example, we will use 1.5 feet. This will be entered as a positive 1.5 feet, which makes the depth indicators perform as if the transducer is higher in the water than it really is. 75 1. Press MENU|MENU|v to SONAR SETUP|ENT. 2. Select SET KEEL OFFSET and press ENT. 3. The Keel Offset dialog box appears. Press v so the displayed number shows a plus (+) sign instead of the minus (–) sign. 3. To change the next digit, press > then use ^v to enter 1. Move to the next digit and enter 5, then p

Languages....................... 10; menu languages selectable by user. MMC slots: ...................... One with waterproof door (SD card compatible). Sonar Frequency....................... 50/200 kHz for SeaCharter 642cDF iGPS; 200 kHz for FishElite 642c iGPS. Recording:........................MMC & SD cards for recording sonar chart logs. Transducers: .................. A dual-frequency Skimmer. transducer with built-in temperature sensor is packed with the SeaCharter 642cDF iGPS. It has 35°

The full sonar chart will scroll from right to left, showing you what's under the boat as you cruise across the water. 5. As you're watching the sonar returns, you can change the display by: Zoom in to enlarge the chart for more detail: press ZIN. Zoom out to return to full chart mode: press ZOUT. 6. If necessary, adjust sensitivity to improve chart readability. Press MENU|ENT and the Sensitivity Menu will appear on the left of your screen. Use ^ and v to change the setting. Boosting sensitivity

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Use ^ to select ON, which will turn on the alarm, then press PWR to clear the menu. If the voltage value falls below the alarm’s setting, the alarm will sound and a message will appear on the screen. Noise Rejection and ASP™ The ASP™ (Advanced Signal Processing) feature is a noise rejection system built into the sonar unit. It constantly evaluates the effects of boat speed, water conditions and electrical interference and automatically gives you the best display possible under most conditions. A