IntroductionApollo SL40 Installation Manual 1S ECTION 1 - INTRODUCTIONABOUT T HIS M ANUALThis manual describes the installation of the Apollo SL40 Comm. It is intended for use bypersons certified by the Federal Aviation Administration (FAA) to install aircraft navigationdevices. It includes installation and checkout procedures for the SL40 unit to standardsdescribed in FAA advisory circular AC 20-67B.Provides an introduction to the Apollo SL40 unit. TSO certification informationis also included in this section.Includes installation and checkout procedures.Includes complete specifications.Includes limitations for the equipment and installation.Includes troubleshooting information.Includes periodic maintenance requirements.Includes the environmental qualification form.Includes serial data specifications.APOLLO SL40 DESCRIPTIONThe Apollo SL40 is a 760 channel VHF Comm transceiver. It is one member of the Apolloslimline series, which includes the SL40 Comm, the SL50 GPS, and the SL60 GPS/Comm.FEATURESThe features of the SL40 Comm include:x 760 channelsx Frequency range of 118.000 to 136.975MHzx Active and standby frequency displayx 16 character high-intensity alphanumeric LED displayx Automatic display intensityx Back-lit buttonsx Transmit status indicatorSection 1Section 2Section 3Section 4Appendix AAppendix BAppendix CAppendix E