2.4  System Specification 
Eight non-volatile front panel setup registers available through 
interface. Power-on setting register available from front panel. 
(Option package -OP1 required) 
Bi-directional serial interface 
IEEE 488.2 commands and SCPI 
set using dip switch on rear panel from 
0 to 31 
IEEE 488.2 commands and SCPI 
(Option package -OP1 required) 
Contact closure to ground or logic low TTL 
signal required to turn off output. 
Automatic recovery when RI signal is 
removed. 
(Option package -OP1 required) 
Active low TTL signal. Signal driven low 
for approximately 400  sec any time 
output voltage or frequency programmed 
value changes.  Signal level may be 
changed by removing jumpers to open 
collector.