Epson FX-80 User Manual page 341

Table 0·2. Signal Interrelations.
On·Line SLCTIN
DC1IDC3 ERROR BUSY ACKNLG DATA ENTRY
OFF HIGH/LOW DC1/DC3
. LOW
HIGH
Not generated
Disabled
ON HIGH
DC1 HIGH LOW/HIGH Generated after data entry Enabled (normal entry)
ON
DC3 HIGH same same Enabled*
ON
LOW DC1/DC3 HIGH same same Enabled (normal entry)
*Data entry enabled, but the input data will be disregarded until DCl is input.
Note: ERROR status is assumed to result only in Off-Line state, and the ERROR status does not always mean SLCT IN.