JRC JMA-610 Series Instruction Manual page 37

2.1 NAMES AND FUNCTIONS OF CONTROL PANEL SWITCHES
[ENTER] (Enter) key
Use this key to confirm or set menu selection and input of numeric values.
This key is equivalent to the clicking of the left button of the track ball.
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[MENU] (Menu) key
Use this key to open the menu.
[VRM1/VRM2] (Variable Range Marker 1/2) key
Use this key to display and select VRM 1/2. If the key is pressed for several seconds, the VRM will
disappear.
Jog Dial
Use this dial to change the bearing of EBL1/2, the range of VRM1/2 and P-Line 1/2 .
[Photoshot ] (Screen Capture) key
R
Use this key to save current screen to CF card in "manual capture mode".
Use this key to save from internal memory to a flash memory card captured data in internal memory
in "auto-2 capture mode".
[EXP] (Echo Expansion) key
Use this key to expand the radar echo.
[AIS LABEL] (Vessel Name) key
Use this key to display names of vessels with AIS information.
Names of vessels are displayed while this key is pressed
[OWN VECT] (Vector Length) key
Use this key to display the own ship's vector and AIS target's vector.
Use this key also to change the length of vectors.
Trackball
Use the trackball to move the cursor mark to any position. The trackball can be used for setting in
each mode.
[+RANGE-] (Range Scale) key
[+] [-]
Press the key to increase the observation range and the key to reduce the observation range.
[RANGE RINGS] (Fixed Range Marker) key
Use this key to display the fixed range marker.
[PANEL] (Operation Panel Brilliance) key
Use this key to adjust the brilliance of various keys and dials on the control panel.
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