Garmin G1000 Pilot's Manual page 10

OPERATION
Beacon Audio Frequency Audio Keying Rate Lamp Color
— — —
Outer Marker 400 Hz 2 dashes per second Blue
95 dot-dash combinations
Middle Marker 1,300 Hz • — • — Amber
per minute
• • • •
Airway/Inner Marker 3,000 Hz 6 dots per second White
Table 6A.3.1 Marker Beacon Signal Characteristics
Inner Marker Middle Marker Outer Marker
Figure 6A.3.3 Marker Beacon Signal Indicator Lights on the PFD
6A-8 Garmin G1000 Audio Panel Pilot's Guide 190-00378-02 Rev. A