JRC JMA-7710-6 Instruction Manual page 45

$ 7
[CLR] key
Clears the entry of numerical data and the target number in the EPA or ATA, etc.
$ 8
ROM RAM card slot
The JRC ERC chart ROM card is inserted here to display the chart.
The RAM card is inserted here to plays back the data stored inside.
$ 9
[TUNE] key
Turns automatic tuning on and off.
% 0
[RAIN] key
Turns auto rain snow reflection restraint on and off.
% 1
[SEA] key
Turns auto sea surface reflection restraint on and off.
% 2
[PWR] switch
Turns the radar on and off.
% 3
[DEGAUSS] key
Degausses the display.
2 – 6
2.1
2