The DCS240 uses different combinations ofthe PWR, PROG, NET, TRACK STAUSand USB indicator to provide a visual indication. The indicators can show what mode the DCS240 is in as well as errors and indications.
| 
 Indications  | 
 Meaning  | 
| 
 PWR GREEN winking off every   | 
 The DCS240 is powered on in Command Station Mode, Normal Operation Mode.  | 
| 
 PWR RED winking off every 3   | 
 The DCS240 is powered on in Booster Only Mode, Normal Operation Mode.  | 
| 
 PWR off blinking on GREEN or RED every 4 seconds  | 
 The DCS240 is in SLEEP mode. (GREEN = Command Station Mode) (RED = Booster Only Mode)  | 
| 
 PWR flashing RED, all other indicators off  | 
 Input Voltage out of Range 13.8V to 24V DC.  | 
| 
 PWR flashing GREEN  | 
 DCS240 Internal fuse blown, replace fuse.  | 
| 
 PWR RED or GREEN winking off 2 times every 4 seconds  | 
 The DCS240 is in Safe Operation Mode. Check your power supply to make sure it is appropriate for your track voltage settings.   | 
| 
 PWR flashing GREEN alternat- ing with PROG flashing RED  | 
 The DCS240 is in Options Switch Mode.  | 
| 
 PWR flashing alternating GREEN/RED once a second  | 
 The DCS240 is overheated and has shutdown.  | 
| 
 PWR flashing GREEN alternat- ing with NET flashing RED fast  | 
 The DCS240 is updating IPL firmware Via direct USB connection.  | 
| 
 PWR flashing Green alternating with NET flashing RED slow, about once a second  | 
 The DCS240 is updating IPL firmware Via LocoNet.  | 
| 
 PROG blinking RED  | 
 The DCS240 program output is active.  | 
| 
 PROG flashing RED fast con- tinuous  | 
 Program output is active via SoundLoader II or other soft- ware.  | 
| 
 PROG blinking RED slow, once a second  | 
 DCS240 is in EZ Routes mode.  | 
| 
 USB lit BLUE  | 
 USB is enumerated and connected to a computer responding with proper drivers.  | 
| 
 USB lit BLUE, winking off  | 
 USB is receiving data over USB.  | 
| 
 TRACK STATUS is lit  | 
 Indicates there is power to the track. This indicator will be GREEN or different shades of Yellow/Orange depending on Zero Stretching.  | 
| 
 NET indicator Solid RED on  | 
 LocoNet OK.  | 
| 
 NET indicator Solid on RED, wink off  | 
 DCS240 detects a valid LocoNet message.  | 
| 
 NET indicator off  | 
 DCS240 detects a low voltage on LocoNet.  |