User's Manual

2－14

JMA-9172-SA Instruction Manual > 2.CONTROL PANEL KEYS and SOFTWARE BUTTONS > 2.2 NAMES AND FUNCTIONS OF

CONTROL PANEL KEYS

[VRM] (Variable Range Marker) dial

This function changes the range of the VRM that is selected by VRM1/2.

By pressing the dial, the parallel line cursor function can be switched to Operation →

Fixed → Off → Operation.

→ on page 4-6

[T／R VECT] (True vector display / Relative vector display) key

This function switches the display mode (true/relative) of the tracked target and AIS

target vector.

→5.1.6 on page 5-13

[TGT DATA] (Target data display) key

This function displays the digital data of the tracked target or AIS target at the cursor

position.

the tracked target→5.2.3 on page 5-17

the AIS target→5.3.5 on page 5-28

[ACQ MANUAL] (Manual acquisition) key

This function enables manual acquisition of the target at the cursor position.

→5.2.1 on page 5-14

[ACQ CANCEL] (Tracked target cancellation) key

This function cancels the symbol and vector of the target that is being tracked and stops

the tracking of the target.

If this key is pressed for 2 seconds or more, all the targets that are being tracked are

cancelled.

→5.2.2 on page 5-16

[DAY／NIGHT] (Day/night mode) key

This function switches the color and brightness of the screen that was preset.

→3.4.12 on page 3-35

[AIS/TT] (AIS On/Off) key

This function switches the AIS function to ON/OFF when the AIS function is enabled.

→5.3.2 on page 5-26

[HL OFF] (Ship's heading line Off) key

HL (ship's heading highlight line) can be set to Off only while this key is pressed.

→3.4.10 on page 3-34