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Instructions, M-611, Software Rev. R.
STEP 1.)
Tabs 1 through 3: Factory Default Setting is OFF.
Tabs 1 through 3 concern installations where 2 or more M-611 Controls are installed onboard.
These tabs control how the M-611 Control will communicate with each other.
If there is only one M-611 Control to be installed, all Tabs 1 through 3 should remain OFF.
Proceed to step 2.
For 2 or more M-611 Controls, Tab 3 must be set to ON. Tab 1 and 2 must be set to OFF on the
main M-611 Unit that is wired to the sound and light producing devices. Any additional M-611
Controllers that are connected act only through CAN connection to the main M-611, and must
have Tab 1 and 2 set as follows for up to 3 additional units:
STEP 2.)
Tab 4: Factory Default Setting is OFF.
Tab 4 determines whether or not the M-611 will allow the aft and forward horn to sound
simultaneously. Per IMO Rules, where two ship whistles are installed a distance greater than
100M apart, they must not be sounded simultaneously. The factory default setting of OFF will
allow simultaneous sounding of the whistles. If the ship whistles are greater than 100 meters
apart, Tab 4 should be changed to the ON position to prevent the ship whistles from being
sounded simultaneously as a combined whistle system per IMO Rules.
STEP 3.)
Tabs 5 and 6: Factory Default Setting is OFF.
Tabs 5 and 6 control the General Emergency Alarm function (12-24VDC input at terminal 32).
Depending on the configuration of the tabs, the controller will either generate the GEA code as
activated by a momentary pushbutton or maintained pushbutton; OR will accept an externally
generated signal from an external alarm panel. See the table below for valid configurations of
the GEA Function tabs.
Tab 1
Tab 2
Unit 2
ON
OFF
Unit 3
OFF
ON
Unit 4
ON
ON
6
Rev. 12/19/2023
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