Doc.No.: 03118-000-IS
Page 9 of 12
2.1.7 Short Circuit proof loudspeakers
A 100V line adapted loudspeaker equipped with a line transformer is regarded as a protection against
loudspeaker short circuit and is required in all installations (independent of type of vessel).
2.1.8 Compass Safe Distance:
In order to not cause any unacceptable deviation of the ships standard and steering compasses or
magnetometer, the nearest point of the unit and the centre of the compass or magnetometer can not be
less than:
Compass Safe Distance in cm:
Control Unit MPA 1601 / 1604
2.2 GENERAL ALARM ADJUSTMENT
The MPA 1600 system has a facility for both curve form and frequency adjustment of the General
Alarm. This is a part of the system setup and must be determined either in the factory (FAT) or during
System installation and commissioning. The configuration is done by means of an USB stick
containing the MPA 1600 Config file (text file editor generated). This USB stick is loaded into the
front USB port of the MPA 1600 Operation unit (see figure below).
The MPA Configuration is set up with the reference to the file name of the General Alarm sequence
specification.
The frequency can be changed between 200 to 2500Hz and the Curve form can either be sinusoidal or
triangle.
MPA 1600 Operation unit:
File input explanation:
GA alarm:
xxxx,yyyy - where xxxx is the tone frequency in Hz and yyyy is duration in milliseconds
GA File Example - General Alarm (7 short/ 1 long) 1000 Hz:
1000,1000 : frequency 1000 Hz, duration 1 second - First short burst
0,1000 : frequency 0 (no tone), duration 1 second - Pause
1000,1000 : frequency 1000 Hz, duration 1 second - Second short burst
0,1000 : frequency 0 (no tone), duration 1 second - Pause
1000,1000 : frequency 1000 Hz, duration 1 second - Third short burst
0,1000 : frequency 0 (no tone), duration 1 second - Pause
To Next Page
Loading...
