Agilent Technologies 53220A, Руководство пользователя

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53220A/53230A User’s Guide 13
Preparation for Use 1
Front and Rear Panel Overview
Figure 1-1 shows the front and rear panels of the Agilent 53230A 350 MHz
Universal Frequency Counter/Timer. The 53220A and the 53230A are
dimensionally identical and available with the same product options - with the
exception of Pulse Measurement Firmware Option 150 available with the
53230A only.
Front Panel
The shaded areas of the front panel represent keys that perform similar
functions. These areas are briefly described below.
A
. Measure Keys - display soft key menus from which the measurement
function is selected.
Auto Scale
senses the input signal (greater than 100 Hz) on
input channel 1, 2, or 3 and automatically sets the range and input threshold
required to make the selected measurement. Counter measurements are
covered in
Chapter 3 .
B
. View Keys - select how measurement data is displayed on the front panel.
Display configuration is covered later in this chapter. Graphics, math, and
data logging are covered in
Chapter 6 .
C
. System Keys - provide instrument-wide configuration which includes
setting the counter preset state and access to utility functions and to the
counter’s built-in help system. For measurement configuration involving
numeric entry,
Shift
changes the key definitions to the numbers at the lower
left of the keys.
D
.
Channel Keys - select the input channel and displays the soft key menu
used to configure the input signal path. Note that Figure 1-1 includes Channel
3 Option 106 / 115. Signal path configuration is covered in
Chapter 4 .
E
. Gate and Trigger Keys - select the gating and triggering soft key menus
used to control the measurement. Gating and triggering are covered in
Chapter 5 .
F
. Soft Keys - are the menus from which the counter is configured. The menus
and soft keys themselves are defined by the “functional” keys described above.
G.
Power/Standby Button - switches the instrument between ‘on’ and ‘off’, or
between ‘on’ and ‘standby’.