JMA-7100 Instruction Manual > 2.CONTROL PANEL KEYS and SOFTWARE BUTTONS> 2.2  NAMES AND FUNCTIONS OF
CONTROL PANEL KEYS
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   [DATA OFF] (DATA Off) key
This function sets the graphics other than HL, range ring, EBL, and VRM to OFF 
temporarily while this key is pressed.
→3.4.11 on page 3-34
   [PANEL] (Operator panel brilliance) key
This function adjusts the lighting brilliance of various switches and dial positions on the 
operator panel. The brightness changes cyclically whenever this key is pressed.
→3.4.13 on page 3-35
   [USER] key
By pressing this key, the signal processing setting that is preset can be called.
The setting changes to  FUNC OFF  ==>  FUNC1  ==>  FUNC2  ==>  FUNC3  ==>
 FUNC4  whenever this key is pressed.
If this key pressed for 2 seconds or more, the function setting menu is displayed.
→3.9 on page 3-112
   [OPTION1] key
By pressing this key, the pre-registered menu position can be directly displayed. 
At factory shipment, the calling of [Main Menu] is assigned.
→3.8.7 on page 3-104
   [OPTION2] key
By pressing this key, the pre-registered menu position can be directly displayed. 
At factory shipment, the calling of [Sub Menu] is assigned.
→3.8.7 on page 3-104
  Track ball
This function moves the cursor mark to any position. Use this function for setting in 
each mode.
Use this function to specify a center position of floating EBL and an off-center position.
→3.3.1 on page 3-14
   [Track ball left button] 
Use this function to confirm menu selection and numeric value input.
   [Track ball right button] 
Use this function to reset menu selection and numeric value input.
   [BRILL] (Brilliance dial)
This dial is provided at the right of the monitor. Use this function to adjust the brilliance 
of the monitor.
→3.2.1 on page 3-6
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