Technical data

Changing The Default Setting 4
Agilent U1251A/U1252A User’s and Service Guide 83
Ta b l e 3 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 variation count that determines Refresh Hold
(auto trigger)
d-LoG
Data logging
Hand Enables manual data logging Hand
1–9999 s
(2)
Sets interval for automatic data logging
t.CoUP
Thermocouple
tYPE Sets thermocouple type to K-type tYPE
tYPE
(3)
Sets thermocouple type to J-type
rEF
Reference impedance
for dBm measurement
1–9999 Ω
(2)
Sets reference impedance for dBm measurement
50 Ω
FrEq
Minimum frequency
that can be measured
0.5 Hz, 1 Hz, 2
Hz, 5 Hz
Sets minimum frequency that can be measured
0.5 Hz
APF
Auto power off
1–99 m Sets timer for auto power off 10 m
OFF Disables auto power off
PErnt
Percentage scale
0–20 mA, 4–20
mA
Sets % scale readout 4–20 mA
bEEP
Frequency of beep
sound of meter
2400 Hz, 1200
Hz, 600 Hz,
300 Hz
Sets frequency of beep sound of meter 2400 Hz
OFF Disables beep sound of meter
b-Lit
Backlit display
1–99 s Sets timer for auto turn-off for backlit display 30 s
OFF Disables auto turn-off for backlit display
bAUd
Baud rate
2400 Hz, 4800
Hz, 9600 Hz,
19200 Hz
Sets baud rate for remote communication (remote
control with PC)
9600 Hz
PArtY
Parity check
En, Odd, nOnE Sets even, odd or no parity check for remote com-
munication (remote control with PC)
nOnE
dAtAb
Data bits
7-bit, 8-bit Sets data bit length for remote communication
(remote control with PC)
8-bit
ECHO
Echo
ON, OFF Enables return of characters to PC when set to
ON
OFF