MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6
Using The Menu Operation Manual
93142122-07 6-5
Indication Meaning Selection
TRUE (REL) VECT Vector Indication Time OFF, 30SEC, 1MIN,
3MIN, 6MIN, 12MIN,
30MIN, 60MIN
6.1.7 CPA Alarm Limit
This function is used to set up the warning limit at which the CPA and TCPA alarms
are activated. Use the following procedure to set up.
(1) Highlight the item and press the ENT key.
(2) Move the Joystick up or down to select the value and press the ENT key.
(3) Setting ranges for CPA and TCPA are as follows:
ATA CPA: 0.00 NM to 19.9 NM.
ATA TCPA: 1 Minute to 63 min.
AIS LIM CPA: 0 NM to 19.9 NM
AIS TCPA: 1 to 63 min.
Indication Meaning Selection
LIM CPA Limit for CPA (NM) 0 to 19.9 (NM)
TCPA Limit for Time to CPA (Min.) 1 to 63 (Min.)
6.1.8 Data indication
The following data are shown in the data window.
------------------------------------------------------------------
EPA/ATA DATA Plot Mode
(Select with DISP/NAV/PLOT MODE menu. ATA: option)
TARGET ID ID for Operating Target
AGE EPA Life
CPA Closest Point of Approach
TCPA Time to CPA
CSE/COG Course/Course Over Ground
STW/SOG Speed Through Water/Speed Over Ground
RNG Range
T BRG True Bearing
-------------------------------------------------------------------
AIS DATA (ON/OFF with DISP/NAV/AIS menu)
LIM Indicating Range ----------- 1.0 to 20.0 (NM)
AIS data will be displayed inside the range of LIM setting.
TARGET ID Target ID for Data Indication -------- 1 to 64
Set the ship's ID to data display.