-and within approximately 5-seconds a LINK TEST reply will be
received accompanied by a chime and the message "LINK TEST
RECEIVED" in the message block.

-From the ACARS FREE TEXT page select LSK 5L, RETURN.
-From the ACARS DISPATCH MENU, select LSK 6R, NEW
MSGS.

-You should see the message "ACARS LINK RESPONSE,
AUTOMATIC RESPONSE FROM HDQ: ACARS IS
FUNCTIONING CORRECTLY."

NOTE:  In some cases where the aircraft is positioned where there is not line of site to the ARINC ground station antenna, a NO COMM condition may be experienced causing delayed uplink response.
December 1, 2004
23-27

- 38 -
SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
SWACOM TRAINING GUIDE

LSK 1L

23-27-AC-011
ACARS BITE - "PINGPONG" LINK TEST

December 1, 2004
23-27
SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
SWACOM TRAINING GUIDE

ACARS - TRAINING INFORMATION POINT - SOFTWARE LOADING
23-27-AC-010
ACARS Software
The ACARS CMU is software loadable.
-Software can be loaded using the PCMCIA card slot on the front of the CMU and a PCMCIA card. -A second method is to use a PDL at the front of the CMU using the data load connector. -On the 737-700 ONLY the software can be loaded using a PDL and the data loading panel P61 located in the flight deck.

The ACARS CMU is loaded with three types of software:
-Southwest Operational Software - basic operation information -HGI - Honeywell Generated Interface Software -AMI - Airline modifiable software

NOTE:  THE SOFTWARE MUST BE LOADED IN THE ORDER LISTED ABOVE.
Training Point
The most common method of loading software into the CMU is using the PCMCIA card slot on the front of the CMU and a PCMIA card. To load the software, do these tasks:
-Pull the CMU circuit breaker.
-Open the PCMIA slot cover,
-Insert the PCMIA card containing the Operational Software.
-Close the Circuit breaker

-The green and red LEDs on the front of the box will flash for about 3 minutes, followed by a solid green and red for approximately 30 minutes. The solid green and red LED indicates software is being loaded.
-Remove the PCMCIA card when the red LED extinguishes.
-Insert the PCMCIA containing the HGI database software.
-The PCMCIA card must be inserted within 20 seconds of

removing the previous PCMCIA card. -The green and red LED will illuminate for about 5 minutes. -Remove card when the red LED extinguishes. -Insert the PCMCIA card containing the AMI Database Software. It
must be inserted within 20 seconds. -The green and red LED will illuminate for about 5 minutes. -Remove the PCMCIA when the red LED extinguishes. -Close the PCMCIA slot cover and tighten thumbscrew. -The green and red LED on the front of the CMU will flash for three
　
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