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DS41 Owner’s Manual14
Multiple DS41 instruments can be installed on a
single vessel. These instruments can be
connected together and configured to operate
in a dual station configuration. One instrument is
designated as a master and all other instruments,
connected to it, are configured as slaves. The
master device is connected to the depth
transducer and determines the water depth. This
information is then displayed on all slave devices
connected to it. Slave devices do not have
transducers connected to them.
The slave devices can be configured to operate
as fully functional NMEA repeaters where they
display water depth, as displayed on the master
device, and share common alarm settings and
keel offset values. In this mode the common
alarm settings can be changed or activated/
deactivated from either the master or slave
devices.
Alternatively, the slaves can be configured to
operate as independent slaves. In this mode the
slaves display the water depth received from
the master, but have independent alarm settings
and keel offset values.
Note:
The instrument designated as the
master device is the only instrument
connected to the depth transducer.
See the Wiring Connection section for dual
station wiring details. Also see the Instrument
Setup section for configuration details.
Master/Slave Selection
To select the master/slave mode of operation:
1. Apply power while holding down the # key.
OFF
OFFON
^
V
V
Hold down during power up
2. When the unit is on. The display will indicate
the current display unit:
88 Ft
example
3. Continue to hold the # key until the
display indicates the current master/slave
selection.
Master
Slave
4. Use the " and # keys to change the
selection.
5. To exit this mode, press and hold both the
" and # keys simultaneously.
Alternatively, if no keys are pressed for a
period of 5 seconds normal depth display
will resume.
OFFOFFONON
^^
VV
Press simultaneously
Note: When a slave has no depth
information, the display will
alternate between -- and -SL. This
will occur if the master unit has no
depth reading or if the data link from
the master is inadvertently broken.
Appendix A – Dual Station Operation