Secure Digital (Sd) Cards - Garmin CIRRUS PERSPECTIVE SR20 Line Maintenance Manual

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4.4 SECURE DIGITAL (SD) CARDS
Software files are uploaded into the system using a secure digital (SD) data card. The card
contains all necessary files to load software and configuration settings to all LRUs. Basically, all
software and configuration parameters are pre‐determined by Garmin and/or Cirrus. During
removal and replacement of LRUs, software and configuration files may need to be reloaded
(refer to Section 7). It is important to use the correct card part number because each card part
number defines all files found on the card for a specific installation except for certain
configuration settings such as the aircraft registration number (N#) which must be entered
manually.
Be careful when using the card during maintenance. The system is designed to immediately
initialize the card upon power‐up. Pay attention to all on‐screen prompts to avoid possible loss
of data.
The GDU data card slots accept secure digital (SD) cards and are located on the top right
portion of the display bezels (Figure 4‐3). Each display bezel has two card slots, top and
bottom. The top slot is for SD cards containing aviation database and system software updates
and supplemental database storage files.
The SD card label should be on the left side when inserted into the display. Do
not force the card if there is resistance. Remove and reinsert gently.
To install an SD card:
Turn the system off. Insert the SD card in the SD card slot, pushing the card in until the spring
latch engages. The front of the card should remain flush with the face of the display bezel.
To remove an SD card:
Gently press on the SD card to release the spring latch and eject the card.
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NOTE
Figure 4‐3. GDU Bezel SD Card Slots
Cirrus Perspective™ Line Maintenance Manual
190-00920-00