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USER’S MANUAL. TV EXPLORER II/II+
Page 38
12/2013
NOTE
: For this application the use of
PROMAX
’s
RP-050
/
RP-080
or
RP-250
signal generators are required, for which they have been specially
designed.
1.-
CALIBRATION
Connect the generator directly to the
TV EXPLORER II / II+
using the BNC-F
adapter.
Power on the
RP-050/RP-080
through the
EXPLORER
, for it is necessary to set
the
External supply
function (see section '
5.7 External Units Power Supply
') by
pressing the
[11] key, and the rotary selector [1] to set a voltage of 13 V.
Finally, select the
SAT IF TEST
application on
UTILITIES
[22] menu for SAT
band, or the
ATTENUATION TEST
for terrestrial band, connect the
generator
to the
point where the antenna will be connected (signal source).
Press the
[17] key to see on screen the
measurement CONFIGURATION
.
By means of the
Threshold Attenuation
option is possible to adjust the maximum
difference between the pilots reference level from 5 to 50 dB
μ
V.
Later, by means of the horizontal cursors
[6] key, select the
Calibrate
function (see the following figure). Wait for some seconds until the calibration process for
three pilots is completed:
MEASURING REF.
is indicated on screen while this process is in
progress.
10
0
-10
-20
EXIT
CALIBRATE
FREQ:
REF:
TEST:
ATT:
1042.25
84.7
84.5
0.2
1703.25
90.2
90.2
0.0
2108.25
99.1
1.2
100.3
MHz
dBuV
dBuV
dB
Figure 16.-
SAT IF Test. Satellite band.