User manual NAVMAN FISHFINDERS FISH 4431

[. . . ] FISH 4430 / 4431 FISHFINDERS Installation and Operation Manual www. navman. com FCC Statement Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a normal installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. [. . . ] NAVMAN fishfinders has two range modes, Auto Range and Manual Range. To change between Auto Range and Manual Range, press . The Manual Range mode offers the user a choice of pre-selected water depths. Use and to display the options and select a water depth. Press to exit. Fish 4430/4431 Installation and Operation Manual 17 4 SETUP menu Select MAIN MENU - SETUP to display the SETUP menu: Use the SETUP menu to customize settings to suit the boat and individual preferences, as follows: · · Specify the trigger settings for the alarms (see section 4-1). Choose the units for depth, temperature, speed and fuel (see section 4-2). Choose the fish symbol (see section 4-3). Choose the contrast level (see section 4-4). Turn Simulation mode on or off Turn Zoom Split on or off (see section 4-5) Select the Trip Log or the Total Log (see section 4-6). Zero Trip Log or zero all logs (see section 4-6). Select language, setup the keel offset (see section 4-7). Calibrate speed and temperature sensors (see section 4-7). · · · · · · · · · Press or to highlight an option, then see the following sections. 18 Fish 4430/4431 Installation and Operation Manual 4-1 ALARMS menu Select MAIN MENU - SETUP - ALARMS to display the available alarms. Alarms can be enabled to automatically detect certain conditions, such as the water being too shallow. Trigger settings can be defined to suit the boat and individual preferences. The beeper cycle is different for some alarms. All of the alarm symbols and beeper cycles are shown: Symbol Alarm Name Temp Value Temp Rate Beeper Cycle 1 Alarm condition is met when: the temperature equals the alarm trigger value the rate of change of temperature equals the alarm trigger value the depth is less than the alarm trigger value the depth is greater than the alarm trigger value an echo matches the profile of a fish the battery voltage is less than the alarm trigger value /2 sec /2 sec 1 Too Shallow Too Deep 1 /5 sec /2 sec 1 When an alarm condition is met, then: · · The beeper sounds. The ALARMS menu is displayed on the screen with the activated alarm symbol(s) flashing. Fish Alarm Low Battery 3 short beeps 1 /2 sec Press any key to acknowledge the alarm, stop the beeping and remove the ALARMS menu. The symbol will continue to flash until the alarm condition is no longer present. Note: The FISH ALARM gives only three short beeps. Alarms automatically re-enable The TOO SHALLOW, TOO DEEP and LOW BATTERY alarms automatically re-enable when the value moves outside the alarm trigger setting. The TEMP VALUE alarm automatically re-enables when the temperature is more than 0. 45°F (0. 25°C) above or below the alarm trigger setting. The TEMP RATE alarm automatically re-enables when the rate of temperature change falls below the trigger setting by more than 0. 2°F (0. 1°C) per minute. Fish 4430/4431 Installation and Operation Manual 19 Flashing Light and/or External Beeper If a secondary alarm indicator is required, a flashing light and/or external beeper can be installed. These can be positioned anywhere suitable on the boat. For installation advice see section 5-4. Enabling Alarms and Changing Trigger Values Press or to highlight an alarm, then press to select it. [. . . ] h) Ensure there is not another fishfinder or depth sounder turned on, which may interfere with the FISH 4430/4431. i) Electrical noise from the boat's engine or an accessory may be interfering with the transducer(s) and/or the NAVMAN fishfinder. This may cause the fishfinder to automatically decrease the gain unless using Manual Gain. The fishfinder thus eliminates weaker signals such as fish or even the bottom from the display. [. . . ]