Icom IC-9100 Instruction Manual - Page 142

9 GPS/GPS-A OPERATION ■ GPS Set mode (Continued) 9. Alarm Area1 (Default: 0.25') When the GPS Alarm function is set to "ALL" or one of the memory banks, set the GPS alarm active range. When ddd°mm.mm' is selected in "Position Format," the active range can be set to between 0'08" and 59'99" in 0'01" steps. When ddd°mm'ss" is selected in "Position Format," the active range can be set to between 0'05" and 59'59" in 0'01" steps. See page 132 for details. • Example: Your position : 35°N/135°E Alarm Area1 setting : 0.25' Point A 0.25' 0.25' N Point B 0.25' 0.25' Your position Point C Point D • Position of point A : 35°00.25'N/134°59.75'E • Position of point B : 35°00.25'N/135°00.25'E • Position of point C : 34°59.75'N/134°59.75'E • Position of point D : 34°59.75'N/135°00.25'E (This description is based on the ddd°mm.mm' position format; p. 132) When a target position enters the alarm area, the GPS alarm sounds. 10. Alarm Area2 (Default: Both) When the GPS Alarm function is set to the memory channel or "RX," set the GPS alarm active range to "Both," "Extended" or "Limited." • Limited • Extended • Both : When the target position is in the approximate 500 meter range, the GPS alarm sounds three times. : When the target position is in the approximate 1 kilometer range, the GPS alarm sounds three times. : When the target position is in the approximate 1 kilometer range, the GPS alarm sounds one beep, and when it is in the approximate 500 meter range, the alarm sounds three beeps. 500 meter (547 yard) 1 kilometer (1094 yard) • Example: Extended range (approx. 1 km; 1094 Y) Your position Limited range (approx. 500 m; 547 Y) The target position definitions for Alarm Area 2. Alarm indication When a target position comes into the alarm area, the icon below appears. Blinks M1 AGC DUP AFC TON SCP 133