JRC JMA-9922-6XA Instruction Manual page 67

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‡ @ Range selection
Changes the radar range.
"+": Increases the range by one step. (The maximum range is 96 or 120 nautical miles.)
"-": Decreases the range by one step. (The minimum range is 0.125 nautical mile.)
‡A RINGS indicator selection
Turns on and off the fixed distance scale display. When this is turned on, the intervals of the
2
range rings will be displayed. When this is turned off, then "OFF" will be displayed.
‡B Pulse width selection
Select the pulse width. There are three pulse widths: Short pulse (SP), middle pulse (MP)
and long pulse (LP). The pulse widths that can be used depend on the range being used. If a
change cannot be made, then nothing will be displayed. This setting is stored for each range.
‡C Tuning indicator mode
Sets the tuning mode to MANUAL or AUTO.
• iManual tuning•j→ Automatic tuning•j
‡D Bearing mode selection
This has the same function as the [AZI MODE] switch. It switches between North-up (true
bearing), Head-up (relative bearing) and Course-up. Each time this button is clicked it will step
through the settings in the following order: "N UP" ⇒ "C UP" ⇒ "H UP"
‡E Motion mode selection
The screen display is changed between the True Motion (TM) and Relative Motion (RM)
displays. Clicking this button will switch between "TM" and "RM." (R) indicates a relative trail.
(T) indicates a true trail.
‡F Transmission/Standby selection
About three minutes after the [PWR] switch is turned on, the "PREHEAT" indication on the upper
left of the screen will change to "STANDBY."
STANDBY:
TRANSMIT:
‡G Change Interswitch connection
This is displayed if Interswitch is connected. The indicator shows the connected scanner and
the connection status of the indicator. When this switch is pressed, a menu to change the
connection states of the scanner and indicator will be displayed. The scanner and indicator
connection states cannot be changed, unless the master indicator is in the standby state.
‡H AIS target refreshed (ACT)
When this switch is pressed, the AIS target will be activated.
AIS target deactivated (DACT)
‡I
When this switch is pressed, the activated AIS target is paused.
‡J ARPA symbol indicator selection
Turns the ARPA symbol indicator on or off. The setting is changed each time this button is
clicked.
‡K AIS symbol indicator selection
Turns the AIS symbol indicator on or off. The setting is changed each time this button is
clicked.
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MANUAL
→
Indicates that the unit is in the standby state. Clicking the switch at this time will
change the unit to the transmission state.
Indicates that the unit is in the transmission state. Clicking the switch at this time
will change the unit to the standby state.
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AUTO
2-7
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