13Chapter 4. How to operate the unit4.1. General Idea4.1.1. Power Input and Operation(1) Power Inputa) To power on, press button.b) Afte power on, Count Down Timer is displayedon SAMYUNG Logo screen, it is converted tothe stand-by in 1 min. 30 secs.c) As the TX time is consolidated and displayed,user can judge the ideal time for repair.d) It indicates the version of the program.(2) TXa) Press button to enable the transmissionat the stand-by status.b) Press button again to convert the TXstatus to the stand-by status.4.1.2. Tuning Control It is required to control the tuning of the unit bothmanually and automatically.The conversion is selectable in the setup of MENU.For the automatica tuning, “A” is displayed next tothe tuning bar.(1) Conversion of Tuning ModeMenu screenMove to RADAR SET-UP, Move to TUNING MODE, press, Move to Auto / Manual, pressBack to PPI screen(2) Adjustment of Tuning Volumea) In case of tha manual tuning mode, turn thevolume to adjust the image biggest.b) Adjust the movement of the tuning bar biggest.c) In case of the automatic tuning mode, it isneedless to turn the volume.d) If any image doesn’t appear, adjust thevolume again or turn the volume of/ (rain/snow) removal.4.1.3. Image Controla) the volume of the tuning/gain of(sea clutter), (rain/snow),removal to display the optimum image.b) Press button to convert theprocessing range of the image.4.1.4. Power Off(1) TX stop. Press button to convert to the stand-bystatus.(2) Turn off the power. Press and hold on button for 1~2 secs, theradar operation will stop and all the performanceswill stop, too.4.2. Stand-by for Processing4.2.1. Brightness Changea) Press button, the screen will get brighter.b) press button to have the darker screen.[ Ref. ] ☞ There are 10 (ten) stages adjustable inthe brightness.4.2.2. Language SelectionMenu screenMove to INIT. SET, Move to LANGUAGE SET, KOR / ENG / RUS / CHI / ITA,pressBack to PPI screen4.3 Basic Operation4.3.1. TX Press button, it will be converted to TXfrom the stand-by status.4.3.2. TX Stop Perss button again at the TX, it will be thestand-by status.4.3.3. Tuning Control Please refer to ‘4.1.2, Tuning Control’.