Technical data

78 Agilent U1251B/U1252B User’s and Service Guide
4 Changing The Default Setting
Menu item Available setting options
Default factory setting
Display Description Display Description
b-Lit
Backlit display
1–99 s
[2]
Sets the timer for the
auto turn-off for the
backlit display
30 s
OFF
Disables the auto
turn-off for the backlit
display
bEEP
Frequency of beep
sound of meter
2400 Hz, 1200 Hz, 600
Hz, 300 Hz
Sets the frequency of
the meter’s beep sound
2400 Hz
OFF
Disables the meter’s
beep sound
PErnt
Percentage scale
0–20 mA, 4–20 mA
Sets the % scale read-
out
4–20 mA
APF
Auto power off
1–99 m
[2]
Sets the timer for auto
power off
10 m
OFF
Disables auto power
off
FrEq
Minimum frequency
that can be measured
0.5 Hz, 1 Hz, 2 Hz, 5 Hz
Sets the minimum fre-
quency that can be
measured
0.5 Hz
rEF
Reference impedance
for dBm measurement
1–9999 Ω
[2]
Sets the reference
impedance for dBm
measurement
50 Ω
t.CoUP
[3]
Thermocouple
tYPE
k
Sets the thermocouple
type to K-type
tYPE
K
tYPE
J
Sets the thermocouple
type to J-type
d-LoG
Data logging
Hand
Enables manual data
logging
Hand
1–9999 s
[2]
Sets the interval for
automatic data logging
Table 4-1 Available setting options in Setup mode (continued)