Installation Manual
Page 49
... Figure 4-2. See Figure 4-2 for software upgrade is not required. Beginning with a GNS 480 (CNX80) in the aircraft, the GNS 480 (CNX80) must be turned off during GTX 330 software upload, due to an antenna or a 50 Ω, 5-Watt load. GTX 33 Software Update Connections 190-00906-00 Rev...aircraft. Be sure to label the connector for GTX 33D) to loading of an optional software upgrade connector is highly recommended. 4.7 RS-232 Input/Output, Software Update Connections When the GTX 33 is installed in a system other than a Garmin Integrated Flight Deck an optional RS-232 serial ...
... Figure 4-2. See Figure 4-2 for software upgrade is not required. Beginning with a GNS 480 (CNX80) in the aircraft, the GNS 480 (CNX80) must be turned off during GTX 330 software upload, due to an antenna or a 50 Ω, 5-Watt load. GTX 33 Software Update Connections 190-00906-00 Rev...aircraft. Be sure to label the connector for GTX 33D) to loading of an optional software upgrade connector is highly recommended. 4.7 RS-232 Input/Output, Software Update Connections When the GTX 33 is installed in a system other than a Garmin Integrated Flight Deck an optional RS-232 serial ...