JRC JMA-993-SA Instruction Manual page 62

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@ tVRMzl (Variable Range Marker 2) Switch
Selects and displays VRM2.
Switches between ON and OFF, and the function for which this switch if valid.
@ IVRMI (Variable Range Marker) Gontrol
Changes the range of the VRM that is selected by VRMI and 2.
filR VECTI (TM/RM Mode Select) Switch
Selects the ARPAvector display in the TM or RM mode.
IIGT DATAI {Target Data Setup) Switch
This switch.is used to display numeric data of ARPA being tracked and AIS being displayed.
When this switch is depressed for two seconds, the numeric display next to symbols will be
turned on and off.
IACQ MANUALI (Manual Acquisition) Switch
This switch turns on and off manual acquisition of ARPA targets.
When this key is pressed, the cursor mode is changed to the manual acquisition setting mode.
@ [ACQ CANCEL] (Acquisition cancel) switch
This switch cancels the symbol and vector of an ARPA target being tracked, and stops tracking
the target.
lf depressed for two seconds or longer, that tracking of all targets will be cancelled. (ARPA
display)
When using with AlS, pressing this for two seconds, all targets will be paused and displayed.
@ IDAY/NIGHT] (DaylNight Mode Select) Switch
Switches the screen color and brilliance according to the DAY DAY2, NIGHTI and NIGHT2
setting.
lArs/ARPAI
Selects whether to use the ACQ MANUAL and ACQ CANCEL keys with ARPA orAlS.
IHL OFFI (Heading Line Off) Switch
The ship's heading line (HL) can be cancelled as long as this switch is depressed.
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IDATAOFFI
While this switch is depressed, graphics other HL, the range ring, EBL and VRM
temporarily.
IPANELI (Operation Panel Brightness) Switch
Conirols the brightness of the controls and switches on the operation panel.
lusERl
The registered function is called. Also, if an option is connecled, then this is used to operate that
option.
At the time of faclory shipments, it is set as ON of the function, which switches the vector length
of "ARPA" in 60 minutes, and OFF.
loPTroNll
The registered function is called. Also, if an option is connecled, then this is used to operate that
option.
The call of a MENU is assigned at lhe time of factory shipments.
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