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No part of this document may be reproduced in any form or by any means without the express written consent of Garmin AT, Inc. II Morrow, Garmin AT, and Apollo are trademarks of Garmin AT, Inc. © 2003 by Garmin AT, Inc. All rights reserved. Printed in the U.S.A. Garmin AT, Inc. 2345 Turner Road S.E. Salem, OR 97302 U.S.A. Toll Free 800.525.6726 Canada Toll Free 800.654.3415 International 503.391.3411 FAX 503.364.2138 Visit our web page at http://www.garminat.com Send comments about this manual by
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Welcome ... Welcome to a new era of aviation communication. Once again, Garmin AT, Inc. has set new standards in features and ease of use for the general aviation public. The Apollo SL40 is a VHF Communications Transceiver for use by the aviation pilot. Packaged in a new slim form factor that helps you get the most out of limited panel real estate without limiting features and performance. The Apollo SL40 is unequaled in providing the features, level of performance, and reliability that aviation
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History of Revisions December 1996 Original Release March 1997 Rev. -01 June 1998 Rev. -02 September 2003 Rev. -02a Ordering Information To receive additional copies of the Apollo SL40 User’s Guide, order part #560-0954-02a. The Apollo SL40 Installation Guide is part #560-0956-xx. ii
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Table of Contents Welcome ...·······················i History of Revisions··················ii Ordering Information ·················ii Introduction ······················1 Display·······················1 Annunciators····················1 Controls ······················2 Buttons·······················2 Basic Operation ····················3 Power On/Off ···················3 Volume ······················3 Selecting Frequencies ···············3 Frequency Monitoring···············4 Recalling a Frequ
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Intercom Function·················9 Stuck Mic ·····················9 System Functions···················10 Software Version·················10 RF Level ·····················11 Noise Level····················11 Headphone Level·················11 Mic Squelch 1 and 2 ···············12 Transmit Mic···················12 Intercom Level··················12 Sidetone Level ··················13 Display Brightness················13 SL40 Specifications ·················14 Features······················14 Pe
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Introduction This guide describes the operation of the Apollo SL40 VHF Communication Transceiver. Transmit Standby Standby Large,Outer Small,Inner Annunciator Symbol Frequency Knob Knob Active Frequency COM APOLLO SL40 119.80 s121.50 PULLSQUELCH TX VOL Photocell EC MON RCL MEM OFF Power/Volume/Squelch Store Memory Flip/Flop Emergency Frequency Recall Frequency Channel Monitor Memory Display The 1-line by 16-character display is composed of 5x7 dot matrix alphanumeric high intensity LEDs. A photo
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Controls Power/Volume/Squelch The knob on the left side of the SL40 controls power PULLSQUELCH on/off, volume, and squelch test. Rotate the knob VOL clockwise (CW) past the detent to turn the power on. Continuing to rotate the knob to the right increases OFF speaker and headphone amplifier volume level. Rotate the knob to the left to reduce the volume level. Pull the knob out to disable automatic squelch. The SL40 may be installed to have the on/off switch disabled and to have power controlled f
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Basic Operation Basic Operation This section introduces the basic operating details of the Apollo SL40 VHF Communications Transceiver. Power Turn thePower/Volume control clockwise past the OFF On/Off detent. The SL40 may be installed to be powered from the avionics panel so the on/off control will be disabled. Volume Turn the Power/Volume control clockwise to increase the volume level and counterclockwise to decrease volume. Selecting New frequencies are first selected as a Standby Frequencies f
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Basic Operation Frequency The Frequency Monitoring function allows you to listen Monitoring to the Standby frequency, while monitoring the Active frequency for activity. Press the MON button to listen to the MON standby frequency. A small “m” is displayed in front of the Standby frequency. When the Active frequency 119.10 > m121.50 receives a signal, the unit will switch automatically to the Active frequency and then switch back when activity ceases. An arrow (< or>) will point to the frequency
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Basic Operation TWR- Tower frequency GND - Ground frequency ATS - ATIS frequency ATF - Air Traffic Frequency APP - Approach ARR - Arrival AWS - Automatic Weather Station CLR- Clearance/Delivery CTF- Common Traffic Advisory Frequency DEP - Departure frequency FSS - Flight Service Station RFS - Remote Flight Service Station UNI - Unicom frequency MF - Mandatory Frequency Auto Stack List (LST) The SL40 keeps track of the last eight Active frequencies and stores them in a stack. Duplicate frequencie
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Basic Operation Weather (WTH) The standard weather channels are stored in the memory of the SL40. You cannot transmit on a weather channel frequency. A small “x” to the right of the Active frequency indicates that transmitting is not permitted. PressRCL and then turn theLarge, RCL outer knob to display the weather (WTH) channel memory. 119.10 WTH162.40 Then, turn theSmall, inner knob to view the available weather channels. Weather Frequencies 162.400 MHz 162.425 MHz 162.450 MHz 162.475 MHz 162.5
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Basic Operation Removing a Frequency from User Memory You may edit the contents of User memory to remove its stored frequencies when you want to make a change or you receive a “MEM Full” message. 1. PressRCL. Turn theLarge knob to the User (MEM) frequencies. 2. PressMEM. TurnLarge knob to show “Remove.” 3. Turn theSmall knob to choose the frequency to Remove. 4. PressMEM to remove the frequency. Or, turn theLarge knob to “Abort” and pressMEM to cancel and leave memory as it was. Replacing a Freq
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Basic Operation Assigning an ID to a User Frequency Frequencies in User (MEM) memory can be given an alphanumeric identifier for your ease of use. 1. PressRCL. Turn theLarge knob to the User (MEM) frequencies. 2. PressMEM and hold it for about two seconds. “Assign ID” and the frequency to be given an ID will be displayed. 3. Turn theSmall knob to select the desired User frequency. 4. PressMEM. Six underscored spaces will appear and the first one will flash. 5. Turn theSmall knob to select charac
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Basic Operation Intercom When two headphone and microphone jacks are Function connected to the SL40, these headsets can be used as a voice-activated intercom. When you select the Intercom function with the installed selector switch, the intercom function is enabled. The Volume control will control the headphone listening level. The receive function will automatically become active when a signal is detected, but the volume will be reduced during intercom activity. A small “I” is displayed above a
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System Functions System Functions The SL40 includes a number of System Functions that give you more information about your communication equipment. Press and hold the MON button for about three seconds to reach the System Function. Turn the Large, outer knob to display the available functions. Adjustments are made with theSmall, inner knob. Press for about two sec. Turn LARGE Knob MON Software Noise Mic1 Transmit Sidetone High Version Level Squelch Level Display Mic1+2 Level 000 Mic1 Only 000 00
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System Functions RF Level The RF Level function shows the relative signal strength of the frequency you are listening to. The range displayed is between 0 and 255. The value will constantly change as you are viewing it as signal conditions change. RFLVL 123 Noise Level The Noise Level function shows the relative received noise level of the frequency you are listening to. The range displayed is between 0 and 255. The value will constantly change as you are viewing it as signal conditions change.
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System Functions Mic Squelch The input level required to break squelch by the 1 and 2 microphone is set from this page. Lower numbers indicate a higher input level necessary to break squelch. Turn the Small knob to change the value. The range is from 0 to 127. Mic1 Sqlch Transmit Mic The Transmit Microphone page allows you to control which microphone is permitted to transmit. You may choose Mic 1, 2, or both. To adjust the Transmit Mic control: 1. Press and hold theMON button for about two secon
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System Functions Sidetone This function displays and adjusts the sidetone audio Level level. Turn the Small knob to change the value. The range is from 0 to 255. Setting the value to 0 slaves the sidetone level to the volume control knob. Sidton Lvl Display As it arrives from the factory, the SL40 automatically Brightness adjusts its display brightness for the current lighting conditions. A small sensor at the upper left of the display is used for this function. There are two adjustments availab
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SL40 Specifications SL40 Specifications Features 760 Communication Channels Frequency Range: 118 to 136.975 MHz Active and Standby Flip/Flop Frequencies Volume Control 16-Character High-Intensity Alphanumeric LED Display Automatic Display Intensity Control Backlit Keypad Controls Transmit Status Indicator 2x8 Frequency Memory and Recall Stores/Recalls Eight User-Defined Frequencies (user-programmable alphanumeric naming of frequencies) Stores/Recalls Previous Eight Frequencies Frequency Monitor
