The Keypad At A Glance; Figure 1-7 U1252B Keypad; Table 1-2 Keypad Descriptions And Functions - Agilent Technologies U1252B User's Manual And Service Manual

The keypad at a glance

Table 1-2 Keypad descriptions 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.
4 scrolls through the measuring function(s) at a
particular rotary switch position.
Agilent U1251B/U1252B 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. Turning the rotary switch to another position resets
the current operation of the key.
Figure 1- 7
(Pulse width/Duty cycle),
counter functions are only available on the U1252B.
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1

Figure 1-7 U1252B keypad

[1]
.
below shows the keypad of the U1252B. The ms%
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.
enters Log Review mode. Press
to switch to manual or interval logging data. Press
or to view first or last logged data respectively.
Press or
Press for more than 1 second to exit mode.
Getting Started Tutorial
Hz , and frequency
to scroll up or down logged data.
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