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Turn-On Checkout
Front Panel Description
1 2 3
N3280A 10V, 0.5A
Component Test DC Source
Figure 3-1. Front Panel, Overall View
Q
QQ
Q Line
Switch
AC mains power switch.
R
RR
R Unit
Indicators
Unit indicators light to indicate the following operating conditions:
Power The dc source is turned on.
Active The dc source is addressed to talk or listen.
Error There is a message in the SCPI error queue.
S
SS
S Channel
Indicators
Channel indicators light to indicate the following channel conditions:
On The specified output channel is enabled.
Prot The specified output channel has entered protection mode due to:
Overtemperature,
Overvoltage,
Oscillation protect, or
Power clear.
Query the status registers of the affected channel to determine which
protection feature is tripped.