Planar IT-081, Руководство по эксплуатации

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4.3. Measurement Procedure
4.3.1. General Information
The IT-081 offers five following measurement modes:
a) measurement of signal level in the frequency point and of TV signal
parameters, as well as measuring alternating and direct voltage at the input
of the Meter in
Level measurement mode;
b) signal spectrum measurement in Spectrum mode;
c) TV signal parameter measurement in Scan mode;
d) TV signal level tilt measurement in Tilt mode;
e) TV signal level ripple measurement in Ripple mode.
The c), d) and e) modes refer to Scan measurement group. Pressing and
arrows in the main menu (figure 4.2), move the icon of the required mode at the bottom of
the screen. The icons correspond to the modes as follows:
Level Scan Spectrum
To complete the selection of the mode, press the functional key, which is under the
required icon. Press MENU/ENTER key to return to the main menu. In all the
measurement modes the screen view has common elements and configurations, see
figure 4.3.
Figure 4.3
The top panel on the screen shows the selected channel plan name, current time and
the battery remaining indicator. If the channel plan is not selected, the line will show All
channels title, and in this case the channel modulation type is determined automatically.
In other case, all the channel parameters are taken from the selected channel plan.
The lower left part of the panel shows the current mode settings and TV signal
parameters. The name of the channel and its number are represented successively in the
right part of this panel.
In the panel of functional keys, F1 key opens the settings menu, F2 key is for
activating the additional auxiliary functions, F3 and F4 are for quick switching between the
measurement modes.
AUX key opens the menu with additional set of functions. You can activate any of
these functions by pressing AUX and successively pressing the corresponding functional
key. After 3 seconds the menu with usual set of functions appears on the screen again.
To adjust the settings of the measurement modes, press F1/Settings . The pop-up
menu contains the list of parameters which can be changed. Use and arrow keys to
select the required parameter, and set the value by ◄ and ► keys. The list of parameters
and their available values is as follows:
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