Garmin MX20 Installation Manual - page 48

Installation 

38 

560-1025-09 Rev E 

MX20 Installation Manual 

Note that the Antenna Receiver/Transmitter should be installed and calibrated in accordance to the 

manufacturer’s specifications. This manual does not cover the installation or calibration of the actual ART 

unit.  

WARNING 

Configuration procedures include steps that require the radar antenna to be powered on.  Please 

observe all safety precautions during these steps including: Do not perform in the vicinity of 

refueling operations; Do not perform while personnel are in the vicinity (approximately 20 

feet) of the radar sweep area.  

NOTE 

See FAA AC20-68B “Recommended Radiation Safety Precautions For Airborne Weather 

Radar” for safety precautions to be taken by personnel when operating airborne weather radar 

on the ground.  

2.9.9.1  ART 2000 Configuration and Calibration 

2.9.9.1.1  Configuring the MX20 

First configure the MX20 for the ART2000 option. Do this in the normal way by entering the install key 

sequence (1, 4, 6) on the menu keys after boot-up is complete. Enable “RADAR” under the “FUNC” menu-

set, then select the “DATA” menu-set and select the “ART2000” choice. Note that the MX20 is compatible 

with the ART2100 when the ART2100 is programmed to emulate the ART2000. Only ART2000 functions 

will be available. 

To configure the “Radar Indicator” push the “MISC” smart key and press “NEXT PAGE” line key twice.  

Press the line key next to “RADAR INDICATOR” until the desired selection is shown.  The choices are 1, 

2 or All.  Select All if the MX20 is the only display device connected to the ART. If more than one display 

device is connected to the ART, select 1 or 2, depending on which port on the ART is connected to the 

MX20 (See Figure 2-14 on page 22). After selection, wait 30 seconds then turn the power off and on again. 

2.9.9.1.2  Calibration Procedures 

Refer to the Bendix/King ART2000 Color Weather Radar System Installation Manual, Revision 4 or later. 

Follow the instructions in "Stabilization calibration with Radar Indicator" or its equivalent.  

Skip the description in the ART2000 manual on how to enter calibration mode. The MX20 allows a single 

button push to enter calibration mode. The MX20 MUST be in Install mode to calibrate the radar head. 

Follow the instructions below.  

NOTE 

Turn off radar stabilization (STAB OFF) before calibrating the radar. Failure to do so will 

cause improper calibration. 

1.  Turn the MX20 on.  

2.  After boot-up is complete, key-in the install sequence 1, 4, 6, on the menu keys.  

3.  Press the FN key until one of the options is RADAR. If the RADAR option is not available, see the 

section on "Configuring Radar".  

4.  Press the "smart key" corresponding to the RADAR option. You will now switch to the Radar 

page.  

5.  Press the STBY key to put the radar unit into standby mode. This may take up to twenty seconds.  

6.  Once the MX20 is in standby mode, one of the menu options will be "Test". Press the TEST key.