User manual GARMIN SL 40

[. . . ] The 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 SL40 is unequaled in providing the features, level of performance, and reliability that aviation users expect. The slim line series of avionics sets a precedent that will be the standard that all other avionics will be compared to. [. . . ] Large and Small Knobs The dual concentric knobs on the right side of the SL40 are used to select frequencies or to view the features available within a function. Details are provided in the appropriate section. Buttons Five backlighted buttons allow you to access the functions in your SL40. Large (outer) and Small (inner) knobs Flip/Flop Button Flip/Flop (Arrows) Press the Flip/Flop button to switch between the active (left-most) and standby (rightmost) frequency. Switching between frequencies is disabled while you are transmitting. 2 Getting Started Controls EC (Emergency Channel) Press the EC button to load the Emergency Channel (121. 500 MHz) as the standby frequency. MON (Monitor) Press the MON button to listen to the standby frequency. When the active frequency receives a signal, the unit will switch automatically to the active frequency. MEM (Memory) Press the MEM button to store the displayed Standby frequency in memory. 3 Detailed Operation Getting Started Selecting Frequencies Detailed Operation This section introduces the basic operating details of the SL40 VHF Communications Transceiver. Volume, Power, and Squelch Control Power On/Off Turn the Power/Volume control clockwise past the 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 knob clockwise to increase the volume level and counterclockwise to decrease volume. Squelch Pull the Power/Volume knob out to disable automatic squelch. Selecting Frequencies New frequencies are first selected as a Standby frequency and then toggled to the Active side when desired. While viewing the frequency display, use the Large and Small knobs on the right side of the SL40 to select the desired frequency. 1. Note that only two digits are displayed to the right of the decimal point. 119. 80 119. 80 Frequency selection with Large and Small knobs 119. 80 121. 50 s121. 50 s119. 80 Toggle Standby and Active frequencies with the Flip/Flop button Turn the Large and Small knobs clockwise to increase and counterclockwise to decrease the frequency values. Press RCL and then turn the Large, outer knob to display the Auto Stack List (LST). Frequencies are shown in the order of use. 119. 10 MEM121. 80 119. 10 MEM124. 55 Viewing User Stored Frequencies User Stored Frequencies (MEM) When you press the MEM button the Standby frequency is stored in User memory. After eight User frequencies are stored, you will be prompted that the stack is full (mem full). Press RCL and then turn the Large, outer knob to reach the User frequencies. Turn the Small, inner knob to view the User stored frequencies in numeric order. 119. 10 WTH162. 40 Viewing Weather Frequencies Weather (WTH) The standard weather channels are stored in the memory of the SL40. A small "x" to the right of the Active frequency indicates that transmitting is not permitted. 1. Press RCL and then turn the Large, outer knob to display the weather (WTH) channel memory. Then, turn the Small, inner knob to view the available weather channels. 162. 400 MHz 162. 425 MHz 162. 450 MHz 162. 475 MHz 162. 500 MHz 162. 525 MHz 162. 550 MHz Weather Frequencies (where available) Aborting a Frequency Recall You may abort the recall of a frequency so the current Standby frequency will remain in place. 1. If you are viewing a REM, LST, or WTH frequency type, the display will read "Abort RCL. " If you are viewing a User (MEM) frequency type, turn the Large knob to "Abort RCL. " 2. Press MEM again to abort the recall and retain the current Standby frequency. 6 Detailed 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. Or, turn the Large knob to "Abort" and press MEM to cancel and leave memory as it was. Removing, Replacing, & ID User Frequencies Remove 121. 50 Removing a Frequency Replacing a Frequency from User Memory You may edit the contents of User memory to replace its stored frequencies when you want to make a change or you receive a "MEM Full" message. 1. [. . . ] The range can be reduced if desired using the inner knob to adjust the two values. Now the low level adjustment will set the brightness of the display directly with no automatic adjustment made based on ambient light. Sidton Lvl Sidetone Level 100 Lo Dsp Lvl Hi Dsp Lvl 0 50 Low and High Display Levels 12 Appendix 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 Function (listens to standby while monitoring the active) Voice Activated Intercom Dedicated Emergency Channel Selector Upgradeable to Include GPS Option Squelch Test Function Stuck Mic Time-Out - 35 seconds 13 Specifications Specifications, Accessories, & Packing Appendix Accessories and Packing List To obtain accessories for your SL40 please contact your Garmin dealer. 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