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Summary of Contents for Ninglu DS302
- Page 1 7-inch Dual-channel Navigation Sounder DS302 Operation & Installation Manual Document: NLT-DS302-SSEN Edition: V130815...
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Page 2: Table Of Contents
Contents Working Principle ..................3 Working Principle of the Sounder ............3 Screen Display ..................3 Introduction ....................4 Screen ...................... 4 Operation ..................... 5 Keyboard....................5 Power ON/OFF ................... 5 Brightness ..................5 GAIN ....................5 RANGE ....................5 MODE .................... -
Page 3: Working Principle
W o r k i n g P r i n c i p l e Working Principle of the Sounder The acoustic velocity is 340m/s in the air and 1,500m/s in the water. The acoustic time is one second during the round-trip distance of the underwater 750m. -
Page 4: Introduction
I n t r o d u c t i o n DS302 dual-channel echo sounder（200kHz & 200kHz） is of high sensitivity and advanced detecting software which can display the water bottom landform, depth and figures accurately. With 7 inch color TFT LCD screen of high resolution (480X234 Pixel), it is easily operated and used for ship navigation. -
Page 5: Operation
O p e r a t i o n Keyboard Power ON/OFF Switch on/off the power supply Brightness Adjust the LCD brightness (LCD backlight) GAIN -】 【Gain+】&【Gain In single channel model，set gain by pressing【Gain+】&【Gain-】directly. In dual channel model, using 【Menu】to adjust gain value. RANGE 【Range▲】... -
Page 6: Operation
O p e r a t i o n GAIN_1 Gain for channel 1：01-20 GAIN_2 Gain for channel 2：01-20 Alarm Set alarm depth: OFF/0.4-10m Buzzer Turn on/off the alarm buzzer Echo LEVEL Set echo colors: 3-8 Auto range：OFF, Track 1 (channel 1), Track 2 (channel 2) Auto Range When auto range is on, range cannot be adjusted manually. -
Page 7: Installation
I n s t a l l a t i o n Host installation The host installation can be in the type of Hung、Table and Flush. Unit: mm Considerations 1. The instrument should avoid direct sunlight, shock and vibration. 2. The24 v regulated power supply should be used to avoid burning machine. 3. -
Page 8: Installation
I n s t a l l a t i o n Transducer installation Transducer is a sophisticated front-end signal sensor. Its transport and installation should be careful to avoid pressure, drop or working in the air and the surface cannot be attached by paint or parasites. -
Page 9: Technical Parameters
T e c h n i c a l P a r a m e t e r s Item Specification 7 inch TFT LCD，480×234 pixel Display Dual-channel 200kHz Frequency 2.5-200m Range 0.3m Min. depth detectable Select the auto range of tracing CH1/CH2 Auto range 200kHz, 300W Output power...
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