Garmin 255A- Manual

Table of Contents:

• Page 3 – LIMITED WARRANTY; Online Auction Purchases; International Purchases
• Page 5 – NOTE; : Canadian installations: In accordance with Canadian Radio
• Page 7 – Product Registration and Support
• Page 9 – Contents
• Page 13 – GETTING STARTED; Product Description; Figure 1-1 GNC 255 Front Panel Description
• Page 14 – Figure 1-2 Com Volume and Squelch Display Description; Nav
• Page 16 – : Garmin recommends the use of a USB 2.0 compatible USB flash
• Page 17 – BASIC OPERATION; Power On; Squelch; Com Radio; Selecting a Com Frequency; LARGE; Figure 2-1 Com Frequency Selection
• Page 18 – Monitoring the Standby Com Channel; frequency for activity, while listening to the Active frequency.; Figure 2-2 Com Frequency Monitor Annunciation; MON; . The Standby frequency is selected and the Waypoint; SMALL; knob to select characters.; knob to move the cursor.; Figure 2-3 Com User Frequency Name Selection; After selecting the desired characters, press; ENT
• Page 19 – knob to select the waypoint Type.; knob to select the Type from the list.; Figure 2-4 Com User Frequency Type Selection; Frequency Type Symbol
• Page 20 – Frequency Database Reverse Look-Up; Figure 2-8 Frequency Database Reverse Look-Up
• Page 21 – Figure 2-9 Emergency Channel; The Emergency Channel will be inserted into the Active; : Pressing and holding the Com Remote Transfer (COM RMT XFR); : Under some circumstances if the Com system loses communication; Stuck Mic; Remote Frequency Selection Control; The standby frequency isn’t activated until a Com
• Page 22 – Selecting a Nav Frequency; Figure 2-10 Nav Frequency Selection; CAUTION; : The Identifier is determined from the database and is not the; : Both Nav and Com frequencies cannot be displayed at the same
• Page 23 – Figure 2-12 Nav User Frequency Type Selection; After selecting the desired characters, press; Listening to the Nav Audio Channel; Nav ident is enabled by pressing the; Figure 2-13 Listening to the ID for a Nav Frequency; Nav audio volume is adjusted using the
• Page 24 – : The Identifier is the decoded Nav Identifier from the Morse code; OBS; key to see the current OBS setting and graphic; and; knobs to change the displayed; Figure 2-14 CDI Display
• Page 25 – Figure 2-15 DST Data Display; : The If both GPS and DME data sources are connected to the GNC
• Page 27 – FUNCTIONS; Functions Description; Timers; Figure 3-1 Functions Diagram
• Page 28 – Com Frequencies; The last 20 Com frequencies used are kept in the list of Recent Com; Figure 3-2 Recent Com Frequencies
• Page 29 – Viewing the Com User Frequency; Figure 3-3 Viewing User Com Frequencies; Deleting the Com User Frequency; Figure 3-4 Deleting User Com Frequencies
• Page 30 – Editing a Com User Frequency; Figure 3-5 Com User Frequency Function; Figure 3-6 Com User Frequency Value Selection; Figure 3-7 Com User Frequency Name Selection; Figure 3-8 Com User Frequency Type Selection
• Page 31 – recalled by identifier.; Figure 3-9 Com Database Frequencies
• Page 32 – with an appropriate GPS receiver.; Figure 3-11 Com Nearest APT Frequencies
• Page 33 – Frequencies; Figure 3-12 Com Nearest ACC Frequencies
• Page 34 – Figure 3-13 Com Nearest FSS Frequencies
• Page 35 – Figure 3-14 Com Nearest Weather Frequencies
• Page 36 – and can be accessed in this function.; Figure 3-15 Recent Nav Frequencies
• Page 37 – Viewing the Nav User Frequency; Figure 3-16 Viewing User Nav Frequencies; Deleting the Nav User Frequency; Figure 3-17 Deleting User Nav Frequencies
• Page 38 – Editing a Nav User Frequency; Figure 3-18 Nav User Frequency Function
• Page 39 – Figure 3-21 Nav Database Frequencies
• Page 40 – Duplicate Identifiers; Figure 3-23 Selected Nav Database Frequency; Nav Nearest VOR; the 25 nearest VORs.; Figure 3-26 Nav Nearest VOR Frequencies
• Page 41 – ICS Configuration; Adjust Intercom; Figure 3-27 Select the Adjust Intercom Function
• Page 42 – Aux Audio; Figure 3-29 Select the Aux Audio Function
• Page 43 – The Speaker On/Off function toggles speaker output on and off.
• Page 44 – System Configuration; Com spacing may be selected between 8.33 kHz and 25 kHz to allow for; Figure 3-33 Com Spacing Display
• Page 45 – to access the Functions. Turn the; Figure 3-34 Set Display Brightness
• Page 46 – Display Contrast; Figure 3-35 Set Display Contrast; Database Info; is useful when contacting Customer Support.; Figure 3-36 Database Info Display
• Page 47 – Load Database; Figure 3-37 USB Update Progress; FUNC; Figure 3-38 Database Update Display; Figure 3-39 Verify Database Version
• Page 48 – Software Version; Figure 3-39 Software Versions Display; Serial Number; useful when contacting Customer Support.; Figure 3-40 Serial Number Display
• Page 49 – Setting Up the Count Down Timer; Figure 3-41 Select the Count Down Timer Function
• Page 50 – Setting Up the Count Up Timer; Figure 3-44 Select the Count Up Timer Function; Figure 3-45 Selecting the Count Up Timer; Viewing Timers in the Com Display; Figure 3-46 Timer Value Shown in the Com Display
• Page 51 – Figure 3-48 Count Down Timer Value Now Counting Up
• Page 53 – APPENDIX; Please have the following information ready:
• Page 55 – Table 4-1 Troubleshooting; Updating the Frequency Database; The GNC 255 uses a standard USB memory device to load the frequency; The data contained in the frequency database comes from; Downloading the Frequency Database
• Page 56 – Message
• Page 61 – INDEX