GNC255A/255B Pilot's Guide
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A Garmin GNC 255A/255B Pilot's Guide iii NOTE: Canadian installations: In accordance with Canadian Radio Specifications Standard 102 (RSS 102), RF field strength exposure to persons from an antenna connected to this device should be limited to 60 V/m for controlled environment and 28 V/m for uncontrolled environment. 190-01182-01 Rev.
A Garmin GNC 255A/255B Pilot's Guide iii NOTE: Canadian installations: In accordance with Canadian Radio Specifications Standard 102 (RSS 102), RF field strength exposure to persons from an antenna connected to this device should be limited to 60 V/m for controlled environment and 28 V/m for uncontrolled environment. 190-01182-01 Rev.
GNC255A/255B Pilot's Guide
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...a different circuit than the affected equipment. A This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in a particular installation. Please, have the serial number of the FCC limits for Class B digital devices. If this device must accept any interference ...not correct the problem. Help us better support you will not occur in accordance with the instructions, may cause undesired operation. iv Garmin GNC 255A/255B Pilot's Guide 190-01182-01 Rev. It is specified as safe for antireflective coatings and a clean, lint-free cloth....
...a different circuit than the affected equipment. A This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in a particular installation. Please, have the serial number of the FCC limits for Class B digital devices. If this device must accept any interference ...not correct the problem. Help us better support you will not occur in accordance with the instructions, may cause undesired operation. iv Garmin GNC 255A/255B Pilot's Guide 190-01182-01 Rev. It is specified as safe for antireflective coatings and a clean, lint-free cloth....
GNC255A/255B Pilot's Guide
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Switching between Com frequencies is installed with an external converter. 1.2.7 T/F (To/From) Key Press the T/F key to toggle between the active (left-most) and standby (right-most) frequency. The T/F key does ...) radio mode. 1.2.6 OBS Key Press the OBS key to see the current OBS setting and graphic CDI. The T/F page also shows Distance/Speed/ Time information. A Garmin GNC 255A/255B Pilot's Guide 1-3 LARGE, Outer Knob SMALL, Inner Knob 1.2.4 FLIP/FLOP Key Press and release the FLIP/FLOP key to switch between the bearing...
Switching between Com frequencies is installed with an external converter. 1.2.7 T/F (To/From) Key Press the T/F key to toggle between the active (left-most) and standby (right-most) frequency. The T/F key does ...) radio mode. 1.2.6 OBS Key Press the OBS key to see the current OBS setting and graphic CDI. The T/F page also shows Distance/Speed/ Time information. A Garmin GNC 255A/255B Pilot's Guide 1-3 LARGE, Outer Knob SMALL, Inner Knob 1.2.4 FLIP/FLOP Key Press and release the FLIP/FLOP key to switch between the bearing...
GNC255A/255B Pilot's Guide
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...right side of the display will have an asterisk next to the identifier. When connected to the Active frequency. 190-01182-01 Rev. A Garmin GNC 255A/255B Pilot's Guide 2-1 Standby frequency selection is between 118 and 136 in one MHz increments. Identifier and Type Shown For The Selected ... 000 and 990 kHz in 8.33 kHz steps. 4. 2 BASIC OPERATION 2.1 Power On Turn the GNC 255 on by either turning the Power/Com Volume/ Squelch knob clockwise to turn the power on or, if installed, turning on the master switch that powers the radios. 2.2 Com Radio 2.2.1 Selecting a Com Frequency ...
...right side of the display will have an asterisk next to the identifier. When connected to the Active frequency. 190-01182-01 Rev. A Garmin GNC 255A/255B Pilot's Guide 2-1 Standby frequency selection is between 118 and 136 in one MHz increments. Identifier and Type Shown For The Selected ... 000 and 990 kHz in 8.33 kHz steps. 4. 2 BASIC OPERATION 2.1 Power On Turn the GNC 255 on by either turning the Power/Com Volume/ Squelch knob clockwise to turn the power on or, if installed, turning on the master switch that powers the radios. 2.2 Com Radio 2.2.1 Selecting a Com Frequency ...
GNC255A/255B Pilot's Guide
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... Speaker On/Off 2. The Intercom On/ Off function must be toggled on/off with a remote switch, if installed. Then, press the ENT key. Press FUNC to set the speaker output On or Off. A Garmin GNC 255A/255B Pilot's Guide 3-17 3.4.3 Intercom On/Off The Intercom On/Off function toggles intercom on and off...
... Speaker On/Off 2. The Intercom On/ Off function must be toggled on/off with a remote switch, if installed. Then, press the ENT key. Press FUNC to set the speaker output On or Off. A Garmin GNC 255A/255B Pilot's Guide 3-17 3.4.3 Intercom On/Off The Intercom On/Off function toggles intercom on and off...
GNC255A/255B Pilot's Guide
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...installation and is used for the current lighting conditions. A small sensor on the photocell or the lighting bus. 3.5.2 Display Brightness As it arrives from the "normal" or zero position. Then, press the ENT key. Turn the SMALL knob to the Previous Value Select the Offset Value Figure 3-34 Set Display Brightness 2. A Garmin GNC... 255A/255B Pilot's Guide 3-19 The GNC 255 will either control dimming based on the display is not selectable by using the SMALL knob to...
...installation and is used for the current lighting conditions. A small sensor on the photocell or the lighting bus. 3.5.2 Display Brightness As it arrives from the "normal" or zero position. Then, press the ENT key. Turn the SMALL knob to the Previous Value Select the Offset Value Figure 3-34 Set Display Brightness 2. A Garmin GNC... 255A/255B Pilot's Guide 3-19 The GNC 255 will either control dimming based on the display is not selectable by using the SMALL knob to...
GNC255A/255B Pilot's Guide
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...this mode, hold the volume knob or communicating properly the external com remote transfer with the system. (COM RMT XFR) switch, if installed - COM RADIO - Com PTT Key Stuck Message Message Description Action COM RADIO Com radio needs service. To exit this will force the...page. 4.3 Messages When a Message has been issued by the unit, the Message will be inoperative. Contact dealer for two seconds. 4-4 Garmin GNC 255A/255B Pilot's Guide 190-01182-01 Rev. After viewing the messages, touch the ENT key to acknowledge the message and return to ...
...this mode, hold the volume knob or communicating properly the external com remote transfer with the system. (COM RMT XFR) switch, if installed - COM RADIO - Com PTT Key Stuck Message Message Description Action COM RADIO Com radio needs service. To exit this will force the...page. 4.3 Messages When a Message has been issued by the unit, the Message will be inoperative. Contact dealer for two seconds. 4-4 Garmin GNC 255A/255B Pilot's Guide 190-01182-01 Rev. After viewing the messages, touch the ENT key to acknowledge the message and return to ...
GNC255A/255B Pilot's Guide
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.... This input is not available in all installations. Contact dealer for at least 30 seconds. A The remote com frequency increment (COM CHAN UP) key/ switch has been in pressed position for service if this message persists. 4-6 Garmin GNC 255A/255B Pilot's Guide 190-01182-01 Rev.... Description The remote com transfer (COM RMT XFR) key/switch has been in all installations. Message REMOTE KEY STUCK Com remote transfer key is stuck.
.... This input is not available in all installations. Contact dealer for at least 30 seconds. A The remote com frequency increment (COM CHAN UP) key/ switch has been in pressed position for service if this message persists. 4-6 Garmin GNC 255A/255B Pilot's Guide 190-01182-01 Rev.... Description The remote com transfer (COM RMT XFR) key/switch has been in all installations. Message REMOTE KEY STUCK Com remote transfer key is stuck.
GNC255A/255B Pilot's Guide
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... radio is Navigation receiver not communicating has failed. property with the system. A Garmin GNC 255A/255B Pilot's Guide 4-7 VLOC RECEIVER - The nav radio is Navigation receiver reporting that it needs needs service. Contact dealer switch has been in all installations. pressed position for service. The nav radio may continue to function. The remote...
... radio is Navigation receiver not communicating has failed. property with the system. A Garmin GNC 255A/255B Pilot's Guide 4-7 VLOC RECEIVER - The nav radio is Navigation receiver reporting that it needs needs service. Contact dealer switch has been in all installations. pressed position for service. The nav radio may continue to function. The remote...