Epson Multi-mode Data Controller MFJ-1278B Benutzerhandbuch

The CON and STA LEDs have special meanings in the AMTOR modes. 
 
STA  OFF   CON  OFF 

This led combination indicates that Mode B is unlocked, and in STANDBY mode.  Standby 
mode is where the MFJ-1278B is ready to respond to Mode A or B "FEC" Amtor signals.  
The MFJ-1278B will also print Mode S "SELCAL" signals, depending on the setting of the 
SRXALL and MYSELCAL commands. 
 
STA  OFF   CON  ON 

Indicates Mode B is locked in and is in the Idle mode.  Broadcast text will be printed if in 
receive mode.  Also if in receive mode, the MFJ-1278B is receiving an AMTOR "idle" 
signal.  The other station is still being received ok, though he is not transmitting any text. 
 
In Mode A, this signal could also mean that a send-receive CHANGE is pending or that the 
sender is repeating a block. 
 
STA  ON   CON  OFF 

This led combination indicates Traffic mode.  The MFJ-1278B is currently sending or 
receiving text. 
 
STA  ON   CON  ON 

This is the phasing error mode.  If in a Mode A contact, this means that the MFJ-1278B is 
either trying to re-establish a link or is sending indication of a receive error. 
 
If in Mode L or "Listen", the MFJ-1278B is hunting for a synchronization signal. 

To receive AMTOR, from the cmd: command line, type: 

MODE AM  <ENTER> 

Now you should see the  a_cmd: prompt.  This mode is used for  FEC type reception.  To 
enter Listen mode type: 

LISTEN  <ENTER> 

To enter the ARQ listen mode to monitor ARQ signals type: 

AMTOR  <ENTER> 

The STA and CON LEDS will light.  When a station is 'zero beat' on frequency, the connect