User manual
Art. 55-106 M101
Rev. 0 03.2019
pag.
25
Offel s.r.l.
Via Lato di Mezzo, 32 48022 Lugo RA - Italy Tel. +39 0545/22542 [email protected]
www.offel.it
After entering the parameters of the frequency you want to measure, press the ENTER button to enter the
measurement screen (fig. 134-135).
The thick orange bar on the right of the screen visually indicates the signal level.
The signal level is indicated in figures below the orange bar.
The green area indicates whether the level performance bar is within the Max and Min values that can be selected in
the settings menu.
On the left side of the screen it is possible to see the frequency parameters and signal quality measurement values
such as MODULATION, BER and MER.
An ERROR indication will appear in the small box at the bottom right when the signal values are insufficient and an
OK indication when the signal values are appropriate.
Channel names will be indicated in the orange bar when the signal levels are correct.
By pressing the LIST button you can see the channel names in the measured frequency.
Note: it is possible to quickly switch to the other menus related to the measured signal by selecting one of the following
items: SHIFT, CONSTELLATION or SEARCH on the lower side of the screen.
SEARCH FOR A CHANNEL AND REGISTER IN THE CHANNEL LIST:
Select the SEARCH item at the bottom of the screen, on the right. In the CHANNEL SCAN screen it is possible to
perform a scan by selecting the NON-ENCODED, CODIFIED or both together items from the CHANNELS item and
pressing ENTER next to START (fig. 136).
When the scan is finished, an information screen will appear on the channels found and you will be asked if you want
the channels to be recorded or not (fig. 138).
Fig. 136
Fig. 137
Fig. 138
ANALOGUE MEASUREMENT:
In the TERRESTRIAL LEVEL menu, under SYSTEM select the ANALOGUE (fig. 139).
Use the RIGHT / LEFT buttons to select the CHANNEL or FREQUENCY you want to measure.
You can enter video frequency and audio frequency information for TV ANALOG TERRESTRIAL measurement with
the EDIT button.
Since there may be some amplifiers on the terrestrial TV antennas, it is possible in this case to select a supply voltage
of 5V, 12V, 20V at the output.
Fig. 139
Fig. 140
To go to the measurement screen, press the OK button after entering the parameters of the frequency you want to
measure. In this screen it is possible to view the channel name, the frequency and power of the video carrier and the
audio carrier and the VIDEO / AUDIO ratio measured in dB (fig. 140).
The signal intensity bars on the right side of the screen facilitate the display of the measurement, thanks also to the
color change depending on the level and become orange (video bearer power) and blue (video bearer power).
The green area indicates whether the orange video level bar and the blue audio level bar are within the maximum and
minimum values selected in the settings menu.