Promax TV EXPLORER II, Руководство пользователя

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USER’S MANUAL. TV EXPLORER II/II+
Page 86 12/2013
In order to play the previously recorded sequence, press the UTILITIES [22]
and select the PVR Playback option using the rotary selector [1]. In the image it will
appear an icon indicating that the video is being played , the option can be stopped
the sequence selecting Pause Playing . When is completed, on screen appears the
pause icon. Select the Stop Playing option to back to the tuned channel viewing.
5.22 Antenna Alignment Function
It allows executing the function Antenna Alignment to align antennas using a
faster sweep without display of numerical measures. The display appears divided in two
parts, the left one shows the spectrum of the signals detected in the band and on the
right two analogue bars represents the more high signal level found during the last
carried out sweeping. The left bar shows the peak value with a certain persistence. The
right bar shows a filtered average value.
100
90
80
70
60
FR:
61 CH: SPAN: 50 MHz
1856.4 MHz
Figure 63.- Utility for antenna alignment.
Simultaneously the instrument emits by means of the loudspeaker an acoustic
tone, which varies according to the level of received signal.
Press the [24] key to switch between tuning by frequency or by channel.
Turn the rotary selector [1] to change frequency or channel.
To modify the SPAN use the cursor arrow left or right [6].
To move the Gain vertical axis press the cursor arrow up or down [6].
Hold the up arrow [6] for half a second to change the vertical axis to 10 dB per
division.