Service and Maintenance 6
Agilent U1602B/U1604B User’s and Service Guide 129
• If you cannot see a channel
✔ Recall factory default setting by pressing button on front panel.
Press F1 to enter Save/Load Setup menu. On page 1/4, press F1 to
restore the factory default setting.
✔ Check that the scope probe cable is securely connected to the input
connector.
✔ Check that the scope probe lead wires are securely inserted into the
connector assembly and that the probe clips are making good contact
with the probe lead wires.
✔ Check that the circuit under test is powered on, probe clips are
securely connected to test points in the circuit under test, and ground
is connected.
✔ Check that the correspond scope channel is being turned on.
✔ Press Autoscale button to allow the instrument to automatically set up
all channels.
✔ Contact Agilent Technologies Service Center to obtain technical
assistance, if necessary.
If you cannot get any response from the instrument, contact the nearest Agilent
Technologies Service Center to obtain further assistance.
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