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General| Channel Spacing | 25 kHz |
|---|---|
| Supply Voltage | 11 to 33 VDC |
| Weight | 1.5 lbs (0.68 kg) |
| Frequency Range | 118.000 to 136.975 MHz |
| Channels | 760 |
| Compatibility | Standard aviation mounting |
Details the purpose and intended audience of the installation manual.
Provides a description of the SL40 VHF COMM transceiver and its features.
Lists the key features and capabilities of the SL40 unit.
Outlines the TSO/ETSO standards and FCC requirements the SL40 meets.
Details the process of carefully unpacking the SL40 and its accessories.
Lists all items included in the SL40 installation package.
Lists additional materials needed for SL40 installation.
Specifies specialized tools needed for crimp connections.
Explains the need for an aircraft radio station license for operation.
Provides guidance on following avionics installation practices before starting.
Outlines the steps for a successful installation, including planning.
Discusses factors to consider for mounting and system configuration.
Details mounting requirements and clearance for the SL40 unit.
Specifies the essential equipment connections required for operation.
Describes how to attach connectors and the mounting frame.
Explains the wiring process using the provided installation kit and crimp contacts.
Details power requirements and the need for circuit protection.
Describes how to connect speakers and headphones to the unit.
Explains proper connection of microphone inputs using shielded cable.
Details the connection of the TxKey input for transmitter activation.
Describes the optional connection for enabling the intercom function.
Explains the use of the RS232 port for data communication and remote control.
Provides requirements and guidance for mounting and connecting the antenna.
Outlines procedures to verify proper operation after installation.
Details how to adjust microphone sensitivity levels.
Describes a test to verify the functionality of the unit's display.
Explains how to adjust microphone squelch levels for optimal performance.
Allows selection of which microphone is permitted to transmit.
Recommends a flight test for final verification of performance.
Lists the electrical characteristics, including voltage, current, and power.
Details the physical dimensions and weight of the unit.
Specifies the environmental conditions the unit is designed to withstand.
Details specifications for receiver sensitivity, selectivity, and audio output.
Details specifications for transmitter output power and frequency tolerance.
Specifies microphone input requirements and characteristics.
Details the modulation capabilities of the transceiver.
Describes performance characteristics of the intercom function.
Lists control inputs and their functions, like transmit key and intercom select.
Specifies the antenna type and VSWR requirements.
Refers to specifications for the RS-232 serial interface.
Provides a detailed pinout diagram for the rear connector.
States limitations and guidelines for the installation process.
Outlines limitations and requirements for operating the unit.
Provides a table to diagnose and resolve common problems.
Details how to contact Garmin for support if issues persist.
Discusses the minimal calibration needs of the SL40 unit.
Details the periodic check required for the reference oscillator frequency.
Provides instructions for cleaning the unit's front panel safely.
Specifies formats for inputting data via the RS-232 port.
Details the message format for setting the active frequency.
Details the message format for setting the standby frequency.
Specifies the message format for inputting remote ident information.
Details message format for inputting frequencies for recall.
Describes the message format to request data output from the unit.
Details formats for outputting transceiver data via RS-232.
Specifies the message format for transceiver status output.
Describes the message format for outputting the software version.
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