Operation Manual

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A-15
APPENDIX
Introduction
Thank you for purchasing the optional AIS information display kit for JRC marine radar. This
product provides the AIS information display function, which is optionally available on the JMA-9900
Radar series.
●Read this operation manual carefully before use.
●This manual describes operations of the optional AIS display function only.
Please refer to JAM-9900 series operation manual for operation of other radar functions.
Please keep this operation manual for reference.
●There are two types of AIS interfaces for JMA-9900 Series Radar as follows.
JMA-9900 TYPE AIS I/F Type
Self-standing type NQA-4172*, 7ZCRD0967
Desktop type NQA-4172*, NQA-4172-6
* NQA-4172 : Base Kit (Common unit for both types of JMA-9900 radar.)
Note
This optional AIS kit was checked the operation only by the connection with JRC AIS（JHS-180）.
The capacity and limitations of the system and operational limitations
1. Vectors of ARPA target are displayed by dashed lines instead of solid lines to keep
consistency with those of AIS targets.
2. Maximum 50 AIS targets are displayed in this system. Three kinds of AIS target filter are
provide to prioritize on displaying AIS targets effectively. See 1-10 in this manual.
3. Note that following operational restrictions in this system before using.
1) An AIS function cannot turn ON
・When "MANUAL" was selected as a speed input source.
・When SET and DRIFT was set in “LOG” speed mode
2) "LOG" speed mode cannot be chosen as a speed source.
・When an AIS function was ON and SET and DRIFT were set.
3) "MANUAL" speed mode cannot be selected..
・When an AIS function was ON.
4) SET／DRIFT (Current correction) function cannot turn ON.
・When an AIS function was ON and speed was set as "LOG".