1.
Attenuator
. Selecting the input attenuation value.
0 dB :
Input attenuator off;
20 dB :
Input attenuator 20 dB;
40 dB :
Input attenuator 40 dB;
Auto :
Automatic selection of the input attenuation value.
2.
Tuning
. Setting the frequency tuning mode.
Chan.:
Frequency tuning by channels;
Freq. :
Tuning by frequency with 125 kHz step.
3.
Ref.level
. Setting the magnitude scale position.
Manual:
The scale position is set manually by and
keys;
Auto
:
The scale position is set automatically.
4.
Scale
. Setting the division value of magnitude scale.
2 dB
:
2 dB per division;
5 dB
:
5 dB per division;
10 dB
:
10 dB per division.
5.
Max level
. Showing the maximum level on the graphic indicator.
Off
:
The maximum level is not shown;
On
:
The maximum level is additionally shown above the level bar.
6.
Averaging
. Showing of the signal level value after averaging.
Off :
Averaging off;
x4 :
Averaging over last 4 measurement reports;
x8 :
Averaging over last 8 measurement reports.
4.3.2. Level Measurement Mode
In this mode the signal level in the frequency point and parameters of the TV
channel are displayed on the screen. You can see the screen view in figure 4.4
:
Figure 4.4
The screen displays the channel tuning frequency, the measured level value in
graphical and digital representations, and also the channel parameters.
The bottom line of the screen shows the value of the direct or effective alternating
voltage at the input (frequency 50 Hz of remote cable power supply). Additionally to the
general settings, you can enable sound indication by
Sound
and adjust the sound volume
by
Volume
in the LEVEL measurement mode.
To perform tuning by channels or frequency, use
◄
,
►
arrows.
To enter the channel
number or frequency from the keypad, select the corresponding tuning mode and use the
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