External Differential Connection
Differential corrections from an external beacon receiver
can only be connected to either the MX421-10 or the
MX521/MX525 GPS model. Connections are done directly
through Pins 7 (yellow) and 8 (white) of the antenna
cable for the MX421-10, and Pins 9 (purple) and 10 (grey)
of the antenna cable for the MX521 and MX525. It will
accept the RTCM SC-104 signal at 2400, 4800, 9600, or
19200 baud.
MX500 Navigator Installation
The Navigator or CDU is the primary unit with the inte-
grated display and keypad. The navigator can be mount-
ed using one of two techniques:
Gimbal mount (supplied) •
Frame mount (optional) •
Each of these techniques are described below. All the
hardware necessary to complete Gimbal mount is pro-
vided with the MX500. You will need rear panel access to
complete these types of mounts. The Frame mount is an
option for applications where front panel removal is not
desired or rear panel access is not available. The hard-
ware necessary for the Frame mount is sold separately.
It is important to consider the space behind the unit to
prevent sharp cable bends before commencing with the
installation. A minimum of 200 mm. free space is needed
behind the unit for cable dressing.
Gimbal Mounting
A pivot Mounting Bracket including finger screws are sup-
plied with the MX500. Use the two machine screws with
the large palm grips to secure the MX500 to the mount-
ing bracket. To adjust the viewing angle, lossen the side
crews and then adjust the tilt angle of the display.
Flush Mount Frame
An optional Flush Mounting Frame is available. First,
survey and mark-out the location where the unit is to be
mounted. Make sure there is a minimum clearance of 200
mm behind the panel. Cut the mounting hole as shown
on Figure 4.5. Mount the MX500 to the mounting frame.
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