Ninglu DF612 Operation Manual

14, 11 WaterTemp Al Water temperature alarm goes off within 3 temperature ranges. Set WaterTemp Al on MENU 2: Off, Low, Midd, High. Low set and High Set are set in MENU 2: Low Set, High Set. Low Set Set low alarm temperature value. Set Low Set temperature value in MENU 2: …

2, CONTENTS SYSTEM DESCRIPTION ........................................................ 1 Specifications .................................................................... 2 Performance .................................................................. 2 Environment ....................…

12, 9 TVG This function suppresses sensitivity shallower than approx. 100m and eliminates reflected signal form plankton and air bubble. Stronger TVG is set, sensitivity near sea surface decreases. When you make TVG too strong, response near sea surface disappears. On the other hand, …

6, 3 Operation Keyboard POWER Turn power off/on. RANGE Set the displayed depth range. SHIFT Shift displayed depth range. GAIN 1 Adjust sensitivity of frequency 1. GAIN 2 Adjust sensitivity of frequency 2. ZOOM Move the expanded area toward sea surface or sea bottom. BRILL …

9, Ninglu DF612 6 MENU contents and factory setting Note: In the following MENU list, the factory setting is marked with grey back color, such as 100m. MENU <1> MENU <2> (DF612 & DF1011 & DF1511 & DF2022) Pic Speed Stop 1 2 3 4 ×2 ×4 Auto Range Off On Max A-Range …

15, 12 How to get the steady data The key to getting the steady data lies in the correct adjustment of GAIN & Color Del. 【GAIN 1】/【GAIN 2】 are used to adjust the sensitivity of signal received. GAIN may be adjusted from the min value to max one and you can get the appropriate sens…