The Keypad At A Glance; Figure 1-7 U1252A Keypad; Table 1-2 Keypad Desciption And Functions - Agilent Technologies U1251A User's Manual And Service Manual

The keypad at a glance

Table 1-2 Keypad desciption and functions

Button Function when pressed for less than 1 second
1 acts as a toggle switch to turn backlit ON/OFF.
Backlit automatically turns off after 30s (default)
2 freezes the measured value. In Data Hold
mode, press again to trigger hold of the next measured
value. In Refresh Hold mode, reading updates
automatically once reading is stable and count setting
is exceeded
3 saves displayed value as a reference to be
subtracted from subsequent measurements. Press
again to see the relative value that has been saved.
Agilent U1251A/U1252A User's and Service Guide
The operation of each key is shown below. Pressing a key
illuminates a related symbol on the display and emits a beep
from the multimeter. Turning the rotary switch to another
position resets the current operation of the key.
Figure 1- 7
(Pulse width/Duty cycle),
functions are only available on the U1252A.
3
2
1

Figure 1-7 U1252A keypad

[1]
.
below shows the keypad of the U1252A. The ms%
Hz
Function when pressed for more than 1 second
displays the battery capacity for 3 seconds.
[1]
.
enters Dynamic Recording mode. Press
again to scroll through Max, Min, Avg, and present
readings (indicated by MAXMINAVG on display).
enters 1 ms Peak Hold mode. Press
to scroll through Max and Min peak readings.
Getting Started Tutorial
, and frequency counter
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