User manual FURUNO DFF1 REFERENCE GUIDE

[. . . ] NETWORK SOUNDER DFF1 IMPORTANT NOTICES · The descriptions in this manual are intended for readers with a good knowledge of English. · No part of this manual may be copied or reproduced without written permission. · If this manual is lost or worn, contact your dealer about replacement. · The contents of this manual and equipment specifications are subject to change without notice. [. . . ] Also, roughen the inside of the hull where the transducer is to be mounted. Warm the silicone sealant to 40°C before usage to soften it. Coat the transducer face and mounting location with silicone sealant. Transducer face Silicone sealant Coating the transducer face with silicone sealant 3. Press the transducer firmly down on the hull and gently twist it back and forth to remove any air which may be trapped in the silicone sealant. Twist to squeeze out air bubbles. Silicone sealant Hull Attaching transducer to hull with silicone sealant 4. Connect this unit to NavNet equipment and turn on the NavNet equipment. Set up the NavNet equipment to show "single frequency display". Case 1 The installation is proper if the bottom echo is displayed in red and the depth indication is shown. Case 2 The bottom echo is not displayed in red when ultrasound attenuation is great. Relocate the transducer as shown in step 8 8. Insert a knife or wooden stick under transducer to remove it 3) Repeat steps 1 thru 7. Fix the transducer. 9 1. 6 Optional Water Temperature Sensor ST-02MSB, ST-02PSB Select a suitable mounting location considering the following points: · Select a mid-boat flat position. The sensor does not have to be installed perfectly perpendicular. The sensor must not be damaged in dry-docking operation. · Select a place apart from equipment generating heat. · Select a place in the forward direction viewing from the drain hole, to allow for circulation of cooling water. · Select a place free from vibration. Procedure 1. 51 mm in diameter in the mounting location. Unfasten locknut and remove the sensor section. Apply high-grade sealant to the flange of the sensor. Pass the sensor casing through the hole. Face the notch on the sensor toward boat's bow and tighten the flange. [. . . ] Only qualified personnel should work inside the equipment. 4. 1 Maintenance Regular maintenance is essential for good performance. Check the items listed in the table below monthly to help keep your equipment in good shape for years to come. Checking Item Transducer cable Power cable, transducer cable plug Ground Power supply voltage Cleaning the network sounder's cabinet Transducer Action Check that cable is tightly fastened and is not damaged. Check that they are tightly fastened and not damaged. Dust or dirt on the cabinet may be removed with a dry cloth. [. . . ]