Rohde & Schwarz HMC8012, Руководство пользователя

Страница: 43 / 69

43
Setting Parameters
4 Setting Parameters
4.1 Display of Measurement Values
The ¸HMC8012 multimeter includes a brilliant TFT
color display with 5 3/4 digits. The display can show up
to 3 measurement values simultaneously. The display of
the third measurement value is intended for the display of
mathematical functions, such as statistic or limit display.
The signal displays indicate the measurement units and the
operating environment of the multimeter. Figure 4.1 shows
an overview of the screen layout.
4.2 Selecting the parameters
Each function and operating mode of the multimeter
can be selected with the keys on the front panel of the
instrument. Use the respective function key to select the
measurement function. An active measurement function
is highlighted by an illuminated white LED. Subsequent
settings refer to the selected measurement function. To set
the signal parameters, three options are available:
❙ Numeric keypad
❙ Knob
❙ Arrow keys
Use the soft menu keys to select the respective menu item.
4.2.1 Numeric Keypad
The easiest way to enter a value precisely and promptly is
to use the numeric keypad. Pressing the SHIFT key activa-
tes the numeric keypad. When entering a numeric value
via keypad, you can accept the entry by pressing a soft
a measurement value within a limit is marked in green. In
addition, you can activate (ON) or deactivate (OFF) an error
tone (soft menu key BEEPER) which will sound when the
value exceeds or falls below the set limits.
3.7 Storing Data
The ¸HMC8012 multimeter can store two different
types of data:
❙ Instrument settings
❙ Screen displays
Out of these data types, screen displays can only be stored
on a USB stick. Instrument settings can be stored on a
USB stick or internally in the instrument to non-volatile sto-
rage media. Press the key SAVE/RECALL to open the store
and load menu. The soft menu DEVICE SETTINGS allows
you to load or store instrument settings. Select the sub-
menu SAVE to store the current instrument settings. Select
the storage location and the file name, then press the soft
menu key SAVE to save the current instrument settings.
This file may be reloaded at a later time.
The menu item DEFAULT SETTINGS in the main menu also
allows you to load the factory default settings.
39
soft menu keys
Display for math. function (e.g.: statistic)
Range (2nd)
second measurement value
(2nd Function)
Range (Main)
Main measurement value
Zero measurement
ADC
Rate
Trigger
Local/
Remote
Log-
ging Inter-
face
Fig. 4.1: Screen layout