JRC JMA-9832-SA Instruction Manual page 63

2.1 NAME AND FUNCTION OF CONTROL PANEL SWITCHES
@5 [DAY/NIGHT] (Day/Night Mode Select) Switch
Switch over the color and brilliance of the display screen depending upon the preset
conditions.
@6 [BRILL VIDEO] (Radar Video Brilliance) Switch
Adjusts the radar video brilliance.
@7
[BRILL ARPA] (ARPA Information Brilliance) Switch
Adjusts the brilliance of the ARPA information such as vectors and symbols.
@8 [PL] (Pulse Width) Switch
Switches over the pulse width.
@9 [AUTO] (Automatic) Switch
Selects the Automatic/manual mode for tuning, SEA and RAIN functions.
#0 [MARK] (Mark) Switch
Presents a mark at an arbitrary position or clears the mark displayed on the display.
#1 [TM/RM] (True Motion/Relative Motion) Switch
Switch over the presentation mode to TM/RM presentation mode.
#2 [TM RESET] (Reset) Switch
Resets own ship's position to its initial point during operating in the TM presentation mode.
#3 [GUARD ZONE] (Guard Zone) Switch
Sets and displays a guard zone.
#4 [PAST POSN] (Past Position Interval) Switch
Selects a past position time interval of a target tracked by ARPA.
#5 [TRUE/REL] (TM/RM Mode Select) Switch
Selects the ARPA vector presentation in the TM or RM mode.
#6 [VECT TIME] (Vector Time Length) Switch
Sets up a vector time length in the range of 1 to 60 min.
#7 [OPTION] (Option) Switch
Recalls a registered function. (Registered by service personnel among vector length max.
ON/OFF, parallel index line display ON/OFF and NAV/MAP INFO menu recall.)
#8 [OFF CENT] (Off center) Switch
Shifts own ship's position within a desired direction (within 65% of the scope's radius) from
the scope's center to expand the display portion.
#9 [AZI MODE] (Bearing Mode Select) Switch
Selects the North-up (true bearing), Head-up (relative bearing) or Course-up bearing
presentation mode.
$0 [RANGE RINGS] (Fixed Range Marker) Switch
Turn ON/OFF the display of the fixed range markers.
$1 [PI] (Parallel Index Line) Switch
Sets and display the parallel index lines.
$2 [ - , + ] Switches
Subtracts or add one from or to the numerical values every time of pressing the switch.
$3 [MENU] (Menu) Switch
Displays a menu.
$4 [DATA ENTRY] (Data Entry) Ten-key Pad
Enter numeric data using the ten-key p to o and set the entered data pressing the [ENT]
switch. Pressing the [CLR] switch returns the set data to the previous data before the data is
set.
$5 [Trackball]
Use this trackball to move the cursor mark to an arbitrary point.
$6 [Trackball section left button]
Sets the cursor position.
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