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Changing The Default Setting 4
Agilent U1251A/U1252A User’s and Service Guide 75
Table 4-1 Available setting options in Setup mode
Menu Item Available setting options Default factory
setting
Display Description Display Description
rHoLd
[1]
Refresh Hold
OFF Enables Data Hold (manual trigger)
500
100–1000
Sets the variation count that determines Refresh
Hold (auto trigger)
rESEt
Reset
dEFAU
Enables the reset of factory settings by pressing
and holding for more than 1 second
dEFAU
Print
Print
ON, OFF
Enables auto send of data to the PC continuously
when set to ON
OFF
ECHO
Echo
ON, OFF
Enables the return of characters to the PC when
set to ON
OFF
dAtAb
Data bits
7-bit, 8-bit
Sets the data bit length for the remote
communication (remote control with PC)
8-bit
PArtY
Parity check
En, Odd, nOnE
Sets the even, odd or no parity check for the
remote communication (remote control with PC)
nOnE
bAUd
Baud rate
2400 Hz, 4800
Hz, 9600 Hz,
19200 Hz
Sets the baud rate for the remote communication
(remote control with PC)
9600 Hz
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 readout 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 frequency 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