Agilent Technologies 4339B, Operation Manual

Page: 93 / 287

4339B Front P anel
LINE Switch
The LINE Switch turns the 4339B ON or OFF . In the 1 (ON) position power is applied and all
operating voltages are applied to the instrument. In the 0 (OFF) position no power is applied
and no operating voltages are applied to the instrument.
The 4339B's settings are held in backup memory for about 72 hours after power is turned OFF .
Refer to \Reset Key " for the backed up settings .
Note
V Output ON /OFF state is not saved, and the 4339B sets the V Output to OFF
at power-on.
Note
If you turn the 4339B OFF and then quickly ON again, it can cause an error
and the 4339B may not work normally . T o prevent this , wait for at least
1 second before turning ON again.
Interlock Connector
The 4339B's Interlock Connector provides safety from high voltages and identies which
test xture is connected. It enables which applies the test voltage to the test xture ,
according to the following two tables .
T able 3-1. Interlock Condition for 16008B and 16339A
Interlock
Connector
Interlock
Switch
1
Source V oltage
Not connected | Disabled
Connected Open Disabled
Connected Closed Enabled
1 The condition whether the test xture's cover is
open or closed.
T able 3-2. Interlock Condition for 16117B Low Noise T est Leads
Interlock
Connector
Source V oltage
Not connected Disabled
Connected Enabled
1
1 The available current limit setting is
0.5 mA only .
Function Reference 3-3