Navico MX420 Installation & Service Manual
Also see for MX420: Operator's manual
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Contents
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55MX 420 Installation and Service ManualEach of these techniques are described below. All the hardware necessary to com-plete the Flush and Gimbal mount is provided with the MX420. You will need rear panelaccess to complete these types of mounts. The Frame mount is an option for applica-tions where front panel removal is not desired or rear panel access is not available.The hardware necessary for the Frame mount is sold separately (P/ N 715707). It isimportant to consider the space behind the unit to prevent sharp cable bends beforecommencing with the installation. A minimum of 100 mm. free space is needed behindthe unit for cable dressing.Gimbal MountingA pivot Mounting Bracket including finger screws and rubber friction washers aredelivered with the MX420. Place the self-adhesive rubber washers around the twothreaded holes at each side of the navigator. Use the two machine screws with thelarge palm grips to secure the MX420 to the mounting bracket. Adjust the viewing angleto meet your needs.Flush MountingDrilling and cutting instructions for flush mounting are given in Figure 3.3. The maximumbulkhead thickness which can be used in this configuration is 9 mm (7/ 16 in). Cut anotch deep enough to accommodate the flush mount bracket, Allen head bolt, and Allenkey for thicker bulkheadsFlush Mount FrameIf access to tighten the screws from the backside is impossible, an optional FlushMounting Frame is available (P/ N 715707). First, mount the frame to the navigator.Next, attach all of the hardware interfaces to the appropriate port (i. e. Cable A, B & C).Finally, mount the entire assembly to the panel from the display side. The frame isoversized ( 300 mm x 175 mm; 11.81 in x 6.89 in). The frame mount hole cut dimensionsare given in Figure 3.5.Turning Power On and OffThe navigator is turned on by briefly pressing the key. Please do not keep the keypressed for more than one second, as this will turn the navigator off again when thekey is released. This key is also used to turn the power off by either of two methods:a) Software Control:A normal short key press displays the softkey option boxes Yes or No to turn thepower off. Respond by pressing the Yes softkey under the box turns the navigatoroff. Selecting No cancels the operation, and returns the unit to normal operation.b) Hardware Control:Pressing the power key for more than 3 seconds, turns the power off underhardware control (the softkey option will also be displayed under normal operatingconditions). The MX420 can not be turned on again for 10 seconds when thismethod is used. Attempting to turn the unit on during this 10 second period, will onlyactivate the navigator for as long as the key is not released. This option is notnormally used, and is provided as an emergency alternative to the software powercontrol. |
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