User manual JRC RADAR 2000

[. . . ] It will provide many years of trouble free use when operated properly. To use your RADAR 2000 properly, please observe the following precautions: Read this manual thoroughly to gain a good understanding of the capabilities and requirements of this equipment. Store the manual in a safe location so that it does not become lost or damaged. Observe standard storage and handling procedures for electronic equipment. [. . . ] There is an on-screen bar indication of the sea clutter control level in use. 4. 7 ADJUSTNG RAIN CLUTTER Press the J-DIAL until the RAIN appears highlight on the upper right corner of the display. Rotate the J-DIAL clockwise or counterclockwise, to vary the rain clutter control and thus control the strength of echo returns from rain or snow. As you rotate clockwise, the return echoes will become narrow and the returns from rain or snow will be reduced. 4. 8 SETTING CRT BRILLIANCE Press the BRIL/DIM key, and then rotate the J-DIAL clockwise or counterclockwise to change the display brilliance. 4. 9 SETTING DIMMER By pressing the BRIL/DIM key, the back light for the panel illumination can be varied in intensity. Dimmer level is reached at maximum brightness, and the next level returns the dimmer level to the lowest level (OFF). 22 OPERATION 4. 10 SETTING OFFCENT By pressing the OFFCENT key, the display is into off-center mode by 2/3 radius, expanding the display area in the direction instructed by JOYSTICK. Press the key a second time to return the display to normal. Off-center mode off Off-center mode on 4. 11 RANGE MEASUREMENT (1) Consider the range scale in use and count the number of rings between the center of the screen and the target. Add to this a visually estimate of the distance between the inner edge of the target and the nearest ring. If EBL is highlighted, press and hold the EBL/VRM key to change to VRM mode. Rotate the J-DIAL clockwise for outer direction or counterclockwise for inner direction to move the variable range marker. The actual target distance appears on the center top of the screen in selecting unit. The VRM2 appears highlight on the upper right corner of the display. OPERATION 23 Rotate the J-DIAL clockwise for outer direction or counterclockwise for inner direction to move the #2 variable range marker. The actual target distance appears on the center top of the screen in selecting unit. To turn off the #2 VRM, selects the FUNCTION-#2 VRM-OFF on the menu sheet. (4) Using cursor Touch the JOYSTICK, cross cursor appears on the screen. The cross mark will be move any direction by using the JOYSTICK and the range and bearing Time-To-Go data and Lat/Loug of the cursor position will be displayed on the lower right corner on the display. The cross cursor and cursor data will disappear in approximately 15 seconds. 4. 12 BEARING MEASUREMENT (1) Using the bearing scale Using the bearing scale on the screen, visually estimate the bearing where the radial line of the bearing scale would pass through the center of the target. The bearing you obtain will be the target's relative bearing in degrees. If VRM is highlighted, press and hold the EBL/VRM key to change to EBL mode. [. . . ] (3) Check the items (4) through (14) while the transmission (TX) is ON. * Functions mentioned in the items (13) through (14) may be optional. If the function is optional, answer is not necessary. No. Check Item Result (1) Power can be turned on. (The lamp on the operation panel is lit. ) (2) A few minutes after powering-on, it will become stand-by status (TX Ready). (3) When powering-on (or TX ON), the CRT displays something (CRT is lit). YES YES YES NO NO NO NO NO NO NO NO NO NO NO NO NO NO (4) The scanner unit rotates at the transmission (TX) ON. [. . . ]