| SOLID BRIGHT RED |
Transmitting on PA |
| SOLID ORANGE |
Transmitting on XVTR port with low power |
| SOLID DIM RED |
Transmit engaged, but all interlocks not resolved (will not emit RF) |
| SOLID PURPLE |
Updating software |
| FLASHING YELLOW |
GPS in warmup |
| SOLID YELLOW |
GPS in holdover (lost satellites) |
| SHORT FLASH BLUE |
GPS locking |
| LONG FLASH BLUE |
GPS in hold phase mode |
| SOLID BLUE |
GPS locked |
| SOLID GREEN |
Receive |
| FLASHING GREEN |
Radio booting |
| SOLID AMBER |
Radio off, GPS or OCXO powered for stability |
| FLASHING RED "S" |
Flashing a Morse "S" in Red indicates boot failure |
| OFF |
Radio off, oscillators off |