Promax US TV EXPLORER II, User Manual

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USER’S MANUAL. US TV EXPLORER II
01/2008 Page 31
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5.3 Selecting the Operation Mode: TV / Spectrum Analyzer /
Measurements
The US TV EXPLORER II has three basic operation modes: TV , Spectrum
Analyzer and Measurements . To switch from TV operation mode to the Spectrum
Analyzer press [13] key. To switch to the Measurements mode press [12] key.
In TV operation mode the demodulated television signal is shown on-screen; this
is the default operation mode, various functions can be selected, as shown in the
following paragraphs.
In Spectrum Analyzer operation mode the screen displays the spectrum of the
active band (terrestrial or satellite). The span and the reference level .
In Measurement mode the screen shows the available measurements according
to the type of signal selected.
5.4 Channel Tuning / Frequency Tuning
Pressing [24] key the US TV EXPLORER II switches from frequency tuning to
channel tuning and back again.
In channel tuning mode turning the rotary selector [1] sequentially tunes the
channels defined in the active channels table. When turning it clockwise frequency
increases while turning it anticlockwise frequency decreases.
In frequency tuning mode there are two ways of tuning:
1. Turning the rotary selector [1].
Turning the rotary selector [1] selects the desired frequency (tuning is
continuous from 5 to 1000 MHz and from 950 to 2150 MHz). When turning it
clockwise frequency increases while turning it anticlockwise frequency
decreases.
2. Using the keyboard .
Press the rotary selector [1] (the frequency listing will disappear and will
appear on the upper left corner of screen the keyboard symbol of manual data
entry ), next enter the frequency value in MHz using the numeric
keyboard. The US TV EXPLORER II will calculate the tuneable frequency
closest to the entered value and then display it on-screen.