Installation manual

Installation

Apollo SL30 Installation Manual

VHF NAV Checkout

On the Ground

Check the VOR reception with ground equipment, operating VOT or VOR, and verify audio

and Morse code ID functions (if possible). Tune a Localizer frequency and verify the CDI

needle and NAV flag, and GSI needle GS flag.

Comm Setup and Checkout

Com RF Squelch

This valued is used by the Comm function to control its squelch level. It is usually not

necessary to adjust this value from its factory setting.

1. In the Setup Mode, turn the large knob to reach the COM RF SQUELCH page.

2. Press SEL to activate selection. The value will flash.

3. Rotate the small knob to change the level number. The range of the number is 25 to 100.

Note: The larger the number the stronger the signal must be in order for the radio to

break squelch. The factory default value is 56.

4. Press ENT to save the value and exit the Setup Mode.

Microphone 1 and 2 Gain

Set the microphone gain for microphones 1 and 2 for values from 0 to 255.

1. In the Setup Mode, rotate the large knob to select MICROPHONE 1 (or 2) GAIN.

2. Press SEL to activate selection. The Mic 1 value will flash.

3. Turn the small knob to change the value.

4. Turn the large knob to the Mic 2 value. Turn the small knob to change the value.

5. Press ENT to accept and save the settings.

Note: A value of 128 will work well for most headset units.

Enable weather frequencies

This function determines whether the weather frequencies in common use in North America

are displayed, or not.

1. In the Setup Mode, rotate the large knob to select ENABLE WEATHER FREQUENCIES.

2. Press SEL to activate selection. The Yes or No value will flash.

3. Turn the small knob to change the value.

4. Press ENT to accept and save the settings.

VHF Comm Checkout

Receiver / Transmitter Operation

Tune the unit to a local frequency and verify the receiver output produces a clear and

understandable audio output. Verify the transmitter functions properly by contacting another

station and getting a report of reliable communications. Check the remote flip/flop.