JRC JMA-993-SA Instruction Manual page 63

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@ [oPiloN2l
The registered function is called. Also, if an option is connecled, then this is used to operate that
option.
The call of a TEST is assigned at the time of factory shipments.
@ ftrackball]
The trackball is used to move the cursor to arbitrary locations on the screen. lt is used to make
seftings in the various modes.
It is used to specify the center position of floating EBLs and specify the off center position.
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lLeft Trackball Button]
This button is used to select various modes and confirm numeric input.
In the MARK mode, it is used to confirm the screen mark. During manual acquisition of ARPA,
it is used to confirm acquisition.
[Right Trackball Buftonl
In the MARK mode, this button is used to delete screen marks.
During manual acquisition of ARPA, it is used to release acquisition.
IBRILLI Control
Controls the brilliance of the entire display panel.
Brilliance knob is located right hard if a screen.
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