Keysight U1271A - Unsecuring the Instrument for Calibration; To Unsecure the Instrument from the Front Panel

1 Calibration Procedures
36 Keysight U1270 Series Service Guide
Unsecuring the Instrument for Calibration
Before you can adjust the instrument, you must unsecure it by entering the
correct security code.
The default security code is set to 1234.
To unsecure the instrument from the front panel
1 Power-on the instrument and press the and keys simultaneously
for more than 1 second.
The calibration security code entry is shown on the display.
Figure 1-5 Unsecuring the instrument
2 Key in the default security code if you are unsecuring your instrument for the
first time.
– Press or to move the cursor to the right or to the left.
– Press or to increment or decrement the digit.
3 Press when you are done.
NOTE
If you forget your security code, see “To reset the calibration security code to its
factory default” on page 38.
S
h
i
f
t
V
i
e
w
E
s
c
A
u
t
o
T
ri
g
H
o
l
d
P
e
a
k
M
a
x
M
i
n
A
u
t
o
R
a
n
g
e
Exit
Dual
Setup
H
z
%
m
s
L
o
g