User guide

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Serial Port #4 TXD EFIS Aux (DB9) Port Pin 1 Pin Pin
See Serial Port # Function Hardware Setup for Serial Port configuration
EFIS Sensor Installation
Magnetometer Installation
The Remote Magnetometer P/N: 8350-0480 must be
mounted so that its orientation is as closely aligned with
the AF-3400/3500/4500 EFIS screen as possible. It
should be mounted with the electrical connector facing
toward the front of the plane, and the mounting tabs on
the bottom. The bracket used to hold the remote
magnetometer must account for all differences in angles
between the EFIS and the remote Magnetometer. This includes pitch, roll, and yaw. We recommend you use
an electronic level that reads to 1/10th of a degree to make sure it is aligned with the EFIS in pitch and roll to
better than 2/10th of a degree. Dual Magnetometers should be mounted 10” apart from each other.
Mounting Location
The remote magnetometer must not be located within 24 inches of any large, moving, ferrous metal objects
such as landing gear components, motors, steel control cables or linkage. Avoid any metallic objects that
may change position between ground operations and flight operations, such as landing gear, flap actuators,
and control linkages.
The remote magnetometer should not be located close to high current DC power cables or 400 cycle AC
power cables and their associated magnetic fields. Wires carrying high currents, alternate currents, or
intermittent currents can cause magnetic variations that will affect the unit. Keep wires with these
characteristics at least 24 inches away from the remote magnetometer. These wires can include:
Battery wires
Strobe wires
Autopilot control wires
Position light wires
Mounting Hardware
The remote magnetometer should be mounted using 6-32
brass or aluminum screws and nuts.
Wiring Connections
The remote magnetometer is connected to the EFIS Main
Cable P/N: 53600 using the supplied 4 conductor shielded
cable. Route the 4 conductor cable from the EFIS to the magnetometer, trim the cable to length and solder
the DB-9 female plug using the following:
EFIS DB-25 Magnetometer