JRC JMA-5206, Instruction Manual

Page: 59 / 462

2 ─ 6
2
2.1 NAMES AND FUNCTIONS OF CONTROL
yy
[RR/HL] [8] (Fixed Range Marker/Heading Line Off/8) Key
The ship’s HL (heading line) is erased while this key is held down.
The fixed range marker display switches back and forth between display and non-display
each time the key is pressed.
This key serves as the numeric key
[8]
during menu operation.
→
For displaying Fixed Range Marker, see section 3.4.9 on page 3-21.
→
For Heading Line Off, see section 3.4.10 on page 3-21.
[GZ ALARM] [9] (Guard Zone/9) Key
Sets a guard zone on the radar display.
This key serves as the numeric key
[9]
during menu operation.
→
See section 5.1.6 on page 5-11.
[TRAILS] [0] (Radar Trails/0) Key
The radar trails time length is switched each time the key is pressed.
This key serves as the numeric key
[0]
during menu operation.
→
See section 3.5.9 on page 3-43.
[RADAR MENU] (Radar Menu) Key
Displays the radar menu when pressed.
[ATA MENU] (ATA Menu) Key
Displays the ATA menu when pressed.
[RANGE+] (Range Scale +) Key
Expands the observation range scale when pressed.
→
See section 3.4.3 on page 3-14.
[RANGE-] (Range Scale -) Key
Shrinks the observation range scale when pressed.
→
See section 3.4.3 on page 3-14.
[VRM1] (Variable Range Marker 1) Key
Use this key to display and select VRM1.
Holding down the key for two seconds or more displays the menu for VRM1 setting.
→
See section 3.5.4 on page 3-30.
→
For VRM1 setting, see page 3-31.
[VRM2] (Variable Range Marker 2) Key
Use this key to display and select VRM2.
Holding down the key for two seconds or more displays the menu for VRM2 setting.
→
See section 3.5.4 on page 3-29.
→
For VRM2 setting, see page 3-30.
[ENT] (Enter) Key
Use this key to determine menu selection or value input.
Pressing the key has the same effect as left-clicking the trackball.
[CLR/INFO] (Clear/Information) Key
Use this key to cancel menu selection or value input.
Pressing the key has the same effect as right-clicking the trackball
28
29
30
31
32
33
34
35
36
37
38