To Unsecure The Instrument Without The Security Code - Keysight Technologies DAQ970A Service Manual

2 Calibration Procedures

To unsecure the instrument without the security code

To unsecure the instrument without the correct security code, follow the steps
below. A front panel procedure to unsecure the instrument is given on page 40.
See
procedure.
This procedure should be performed by qualified service personnel only.
CAUTION
Turn off the power and remove all measurement leads and other cables,
including the power cord, from the instrument before continuing.
1 Dissemble the instrument to remove the instrument cover (see page 29).
2 Turn the instrument over and locate the two exposed metal pads (TP601 and
3 Apply a short between the two exposed metal pads (TP601 and TP602) using a
4 Replace the instrument cover, apply power, and turn the instrument on; the
42
"Electrostatic discharge (ESD) precautions"
TP602) as shown below:
jumper wire.
instrument will generate an error and beep (this is normal). Wait 30 to
40 seconds for the instrument to power up completely.
on page 19 before beginning this
Keysight DAQ970A/DAQ973A Service Guide