Measurement Computing Digital488/80A - Manual (Page 12)

Hardware Setup
WARNING
Do not use the Digital488/80A unit outdoors! This unit is intended for indoor use only!
Unexpected outdoor conditions could result in equipment failure, bodily injury or
death!
Front & Rear Panel Layouts
Six LED indicators on the Digital488/80A front panel, display the unit status. The following list describes
the functions of these indicators:
• TALK: ON when Digital488/80A is in the Talker state; OFF when in the Idle or Listener state.
• LISTEN: ON when Digital488/80A is in the Listener state; OFF when in the Idle or Talker state.
• SRQ: ON when Digital488/80A generated a service request; OFF when no SRQ is pending.
• ERROR: ON when an error has occurred; OFF when no error condition exists.
• TEST: ON when used in conjunction with the Test (
T ) command to verify that communication has
been established with the Digital488/80A.
• POWER: ON when power is being applied while the power switch is in the ON position; OFF when
power is not present.
6 Digital488/80A Setup Digital488/80A User's Manual