User manual ICOM MR-570R

[. . . ] MR-570R s Display information Tuning level indicator Screen range readout Fixed ring range readout*1 OPERATING GUIDE Heading indicator 3 (1) NM 2530° T TM Mode indicator*5 Cross line cursor Heading line Alarm zone*2 EBL1/2 Own ship vector indicator VRM1/2 Waypoint marker*3 MOB symbol Fixed range rings*1 EBL1/VRM1, EBL2/VRM2 readouts*4 EBL/VRM1 EBL/VRM2 S0672°R S0162°R 1. 296NM 0. 566NM O:01 O:01 *1 Appears when the "RING" of the FUNCTION menu is turned ON. *2 Appears when the alarm function is in use. *3 Appears when the "WPT" of the FUNCTION menu is turned ON. To display the waypoint marker, bearing data and NMEA data with 0183 format is necessary. *4 This area may differ depending on DATA DISP selection in the FUNCTION menu. [. . . ] · Increased gain may increase screen noise. e t Select [SEA]*, then set the [SEA]* to minimum. y Push [MODE] to select one of HUP (Head-up), CUP (Course-up), NUP (North-up) or True motion TM screens. C UP, N UP or TM can be selected only when bearing, position or speed data are connected. 26 for details) y *Select each item , then push [ADJ] for 0. 5 sec. to use auto setting mode. q CAUTION: When setting the [SEA] control to MAX position, close targets are blanked. · Heading Line marker The heading marker is a line that shows your ship's bow direction. (This marker will appear in the center of the screen when the Head-up screen H UP is selected. ) The heading marker can be hidden when the desired target is located under the heading marker. · Push and hold [ADJ] and [MENU] simultaneously to hide the heading marker. · Brilliance adjustment The intensity of the screen can be adjusted. When you require continuous operation, but not constant viewing, a lower setting can increase the life of the backlight. NOTE: High intensity will shorten the life of the back light. · Fixed range rings The fixed range rings can be used for rough distance measurement. 14) Push [MENU] to open the FUNCTION menu, then push [ ] to select RING. Push [ ] to turn the ring ON. · Key illumination The backlighting of the keys can be adjusted for convenient operation. 6) · Key illumination corresponds with [BRILL] control. 11 4 BASIC OPERATION The followings are typical basic operation examples, which may hinder radar reception (sea clutter, precipitation interference and echoes from other radar). s RAIN function This function eliminates reflection echoes from rain, snow, fog etc. · Adjust the lowest level to deactivate the control function. · NOTE: DO NOT reduce the reflection echoes too much, otherwise you may miss weaker targets. Small echos Adjust RAIN control s SEA function This function serves to eliminate echoes from waves at close range. Reduce the receiver gain for close objects within a radius of 8 miles to eliminate sea clutter. · Push and hold [ADJ] for 0. 5 sec. to activate the automatic control function. Echos from sea waves Adjust SEA control WARNING: The [SEA] control reduces the receiver sensitivity of objects within 8 miles. Therefore, caution and careful adjustment are necessary when using the [SEA] control. Small objects may not be displayed on the screen when strong echoes from the rain or the island within 1 NM while automatic SEA function is activating. s OFF CENTER function The scanning area can be shifted in a desired direction and can be enlarged partially. This is useful when the Head-up* is selected and you want to enlarge the bow direction display, or, the center of the screen shifts in the direction of the intersection. · This function is available within, and up to a 24 NM range. *This function is not available in the TM screen. q Push [ ]/[ ]/[ ]/[ ] key to move the cursor where you want to shift the center of the screen. · Max. offsetting is up to 56% of the screen. Normal screen With OFF CENTER on w Push [ALM] and [MODE] simultaneously to shift the screen. e Push [ALM] and [MODE] simultaneously again to return to the normal screen. 12 BASIC OPERATION 4 s IR function Radar interference may appear when another ship's radar is operating on the same frequency band in close proximity. The IR function can eliminate this type of interference. 6) q Push [ADJ] to call up "ADJUST" menu. w Push [ ]/[ ] until the "IR" section becomes highlighted. [. . . ] XX TARGET IS NOT UPDATED*3 CHECK SCANNER CONNECTION*4 Condition 11 · The Azimuth signal is interrupted. and the display reverts to H UP mode in approx. · If the TRIGGER signal is interrupted for more than 15 sec. , an alarm tone is emitted. · If the SHM signal is interrupted for more than 15 sec. , an alarm tone is emitted. [. . . ]