User manual FURUNO 1942 MARK-2

[. . . ] MARINE RADAR MODEL 1932 MARK-2/1942 MARK-2 C Yo u r L o c a l A g e n t / D e a l e r 9-52, Ashihara-cho, Nishinomiya, Japan Te l e p h o n e : Te l e f a x : 0 7 9 8 - 6 5 - 2 111 0798-65-4200 All rights reserved. Printed in Japan FIRST EDITION C : : A U G. OME-34620 (YOSH) MODEL1932/1942 MARK-2 SAFETY INSTRUCTIONS DANGER Stay away from transmitting scanner. The radar scanner emits microwave radiation which can be harmful to the human body, particularly the eyes. Never look directly into the scanner radiator from a distance of less than 1 m when the radar is in operation. Radio Frequency Radiation Hazard The radar scanner emits electromagnetic radio frequency (RF) energy which can be harmful, particularly to your eyes. Never look directly into the scanner aperture from a close distance while the radar is in operation or expose yourself to the transmitting scanner at a close distance. [. . . ] As the level of these returns varies with environment, the operator should properly adjust the A/C SEA, A/C RAIN and GAIN to be sure the alarm system does not overlook target echoes. Drag cursor here. (1) Mentally create the guard zone to set. (2) Drag cursor to top left corner of zone and press [GUARD]. G (IN) Guard zone G (IN) C Drag cursor here. 3. 8 Watchman The watchman function periodically transmits the radar for one minute to check for targets in a guard zone. If it finds change in the zone from the previous transmission it transmits the radar continuously. This feature is useful when you do not need the radar's function continuously but want to be alerted to radar targets in a specific area. Tx 1 min Watchman starts. St-by 5, 10 or 20 min Tx 1 min St-by 5, 10 or 20 min (4) Guard zone completed. (3) Drag cursor to bottom right corner of zone and press [GUARD]. Figure 3-8 How to set the guard zone Silencing the audible alarm Any radar targets violating the guard zone will trigger the audible alarm. You can silence the audible alarm by pressing the [GUARD] key. When this is done, "G(ACKN)" replaces "G(IN). " This means the alarm is acknowledged. Press the key again to reactivate the alarm. You may select minimum echo stregth which triggers the guard alarm. This can be done at "20, Alm Sence Lv" on the "OTHER MENU. " Figure 3-9 How watchman works How watchman works When the time selected for the watchman rest period has elapsed, the radar automatically transmits for one minute to check the condition inside the guard zone. If there is no change, the radar goes into stand-by. ("WATCHMAN" appears during stand-by. ) If there is change, the radar sounds the audible alarm, cancels the watchman function and transmits continuously. Cancelling the guard zone and guard alarm Press and hold down the [GUARD] key until the guard zone disappears. 3-5 Turning on watchman 1. Create a guard zone (usually 360 degrees) with the guard alarm function. Operate the omnipad to select watchman rest period; 5 minutes, 10 minutes or 20 minutes. "WATCHMAN" appears at the top of the screen, the radar transmits for one minute to check for targets inside the guard zone, and then the CRT shuts off and the radar goes into stand-by. (If the navigation input includes destination data, the waypoint marker, shown by a dashed ring with a line extending from it to the screen center appears. This marker can be turned on/off the "OTHER MENU") To turn navigation data on or off; 1. Press the [ACQ/ENTER] key to select the navigation display. Press the [MENU] key to close the menu. TRAIL AUTO 25:38 30M G (OUT) ZOOM ES1 . 0625 SP HU HDG 234. 5¡ Waypoint Marker Cancelling watchman Go into the "OTHERS" menu, and set "15. Note 1: Watchman can be used without a guard zone. Note 2: The alarm sounds just before the radar starts or stops transmitting. A/C AUTO EBL 345. 6¡ R 23. 0¡ R VRM 0. 048NM 0. 100NM WAYPOINT 0. 09 NM 50. 0¡M TTG 00:20 13. 5 ¡ R 0. 142NM OWN SHIP 34¡ 56. 56E SPD 35. 0KT + CURSOR 34¡ 29. 77E TTG 01:00 Navigation Data 3. 9 Displaying Navigation Data Navigation data can be displayed at the screen bottom if this radar receives navigation input in IEC 61162 format. [. . . ] 5-1 G Gain control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 Guard alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Guard alarm sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5 Guard key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ]