Datalogger For Attenuation And If Sat Tests - Promax US TV EXPLORER 2 User Manual

USER'S MANUAL. US TV EXPLORER II
14/41
TEST POINT:
CHANNEL SET:
FREQ:
CH:
8-VSB. MEASURING...
CANCEL
In the case of digital channels, which require a greater calculation process, a
timer counter will appear in the lower part of the screen. In the upper corner the channel
number being measured will appear, followed by the total number of channels in the
current channel plan.
In order to select the different fields on the screen, press the cursor keys
[6] and then edit by pressing the rotary selector [1].
After selecting the START field the instrument begins to carry out the avalilable
measurements automatically. Once completed, the process will be ready to repeat
again (for example, for a new test point), or view measured data by turning the rotary
selector [1], or store the information in memory (SAVE) or exit from this acquisition
(EXIT).

5.10.1 DATALOGGER for Attenuation and IF SAT tests

The US TV EXPLORER II allows to make measurement acquisitions while
executing an Attenuation test at terrestrial band or an IF SAT test at satellite band
(see section "5.11 Verification of distribution networks").
For it, one of these tests should be activated previously as the following figure
shows.
10/2007
DATALOGGER_00
POINT_01
LEMSFORD
63.00 MHz C/N:
-1 kHz POWER: 52.1
A03 MER: <13
SER: >7.7E-2
VBER:
Figure 12.- DATALOGGER screen.
7.5 dB
dBµV
dB
1.0E-1
16 Sec.
Page 37