M6 System | V4 | Installation
Active Wideband Hydrophone
We recommend the following wiring for the installation of the wideband active shielded
hydrophone NC-1-06 and NC-1-08.
About
The preamplifier inside the hydrophone can be configured depending on the hydrophone wiring to
the junction box. There are 4 different configurations:
First generation of
NC-1-06 (46-127-X)
NC-1-06 second generation (46-138-
X) and NC-1-08 (46-139-X)
Configuration 1 38kHz and 50kHz filters
activated / Gain High
38kHz filter activated / Gain High
Configuration 2 38kHz and 50kHz filters
activated / Gain Low
38kHz filter activated / Gain Low
Configuration 3
38kHz filter activated / Gain High
38kHz and 50kHz filters
activated / Gain High
Configuration 4 No Filters / Gain High 50kHz filter activated / Gain High
Note: To be able to receive water temperature from Marport hydrophones, on M3, M5 and
M6 systems connect to the NTC hydrophone input H1 or H2. On M4 system connect to the
hydrophone input 1 or 2 using an NMEA converter junction box (P/N: NC-2-TEMP).
Important: NC-1-08 hydrophones with a serial number before 4054875, 4054845, 4054831
do not use the -12V wire. These hydrophones need to be returned and replaced.
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