ES 1220n Menu Functions • 205

Parallel Menu

Note: Factory default settings are shown in bold.
Item Settings Explanation
PARALLEL ENABLE
DISABLE
Enables or disables the parallel port.
BI-DIRECTION ENABLE
DISABLE
Enables or disables bi-directional
functionality of the parallel port.
ECP ENABLE
DISABLE
Enables or disables ECP mode.
ACK WIDTH NARROW
MEDIUM
WIDE
Sets width of ACK signal in compatible
receiving:
Narrow = 0.5 µS
Medium = 1.0 µS
Wide = 3.0 µS
ACK/BUSY
TIMING

ACK IN

BUSY

ACK WHILE
BUSY
Sets the order in which the BUSY signal is
output.
ACK IN BUSY = BUSY goes low at end
of ACK pules.
ACK WHILE BUSY = BUSY goes low at
centre of ACK pulse.
I-PRIME 3 MICRO SEC
50 MICRO SEC

DISABLE

Sets the time interval to enable/disable
the I-PRIME signal.
OFF LINE
RECEIVE
DISABLE
ENABLE
Enable = maintains reception without
changing the interface signal, even
though an alarm occurs. The interface
stays open even if the ON LINE button is
pressed.
The interface issues a BUSY signal only
when the receive buffer is full.