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Chapter 10-6
10.4.1 Power supply connections
The internal voltage regulator will allow the EQ33-2 to operate normally
within the power supply voltage range from 10 to 32 V DC. The EQ33-2 is
connected to external power (battery) by means of the supplied power/NMEA
cable. Cable length is approximately 2 meters.
After connecting the cable to the power source, push the plug as far as it will
go into the nine pin receptacle marked "PWR" on the rear of the cabinet and
turn the plug's coupling ring clockwise until it makes a click.
10.4.2 Fuse
Warning! A fuse should always be installed to protect the unit.
Using a fuse which is not specified for your equipment can cause it to blow
the instant the EQ33-2 is switched on or it will not protect the equipment as
intended – see fuse rating in section 10.9 Specifications.
10.4.3 Transducer connection
Most transducers are supplied with a 10 meter cable for connection to the
echosounder unit – EQ33-2. Push the female plug, as far as it goes, into the
receptacle marked "ECHO" on the rear of the cabinet and turn the plug's cou-
pling ring clockwise until it clicks into locked position
The EQ33-2 must be turned off while connecting/disconnecting the trans-
ducer cables.
Recommended transducers
Airmar single element two-frequency 50/200 kHz transducers i.e. B744, P319,
B45, B256, P66 and P52.
10.4.4 Interface connection
The 33 series feature three possibilities for interconnection and data sharing:
1.
SimNet, which is recommended for control and data sharing
between Simrad SimNet products.
2.
NMEA2000, SimNet products will interface and share data with
NMEA2000 based products.
3.
NMEA0183, which has been the common standard for marine elec-
tronics. Interface connections are made via the combined power and
NMEA cable to the receptacle on EQ33-2 marked "PWR" on the rear
of the cabinet.
The unit must be turned off while connecting/disconnecting the
interface cable.
EQ33-2 Installation and service
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