1. OPERATIONAL OVERVIEW
1-48
1.38 Antenna Speed
The antenna speed may be changed to meet operating requirements. Choose a high speed when
cruising at high speed to ensure timely update of radar targets. Note that the speed cannot be
changed on the 24 rpm motor; it is fixed at 24 rpm.
1. Press the MENU key to open the menu.
2. Choose the Echo menu and press the ENTER key.
3. Choose Antenna Speed and press the ENTER key.
4. Choose appropriate antenna speed.
The Auto/Range option automatically changes antenna rotation speed and pulselength
according to range in use. For details about the relationship among range, pulselength and
antenna rotation speed, see the table at the top of page SP-2.
5. Press the ENTER key.
6. Press the MENU key to close the menu.
24rpm
36rpm
48rpm
Auto/Range