Promax TV EXPLORER II User Manual page 152

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
band, or the ATTENUATION TEST for terrestrial band, connect the generator to the
point where the antenna will be connected (signal source).
Press the
By means of the Threshold Attenuation option is possible to adjust the maximum
difference between the pilots reference level from 5 to 50 dBµV.
Later, by means of the horizontal cursors
function (see the following figure). Wait for some seconds until the calibration process for
three pilots is completed:
progress.
10
-10
-20
FREQ:
REF:
TEST:
ATT:
Page 40
[17] key to see on screen the measurement CONFIGURATION.
MEASURING REF.
0
1042.25
84.7
84.5
0.2
Figure 16.- SAT IF Test. Satellite band.
USER'S MANUAL. TV EXPLORER II/II+
[6] key, select the Calibrate
is indicated on screen while this process is in
1703.25 2108.25
90.2 100.3
90.2 99.1
0.0 1.2
CALIBRATE
[22] menu for SAT
MHz
dBuV
dBuV
dB
EXIT
09/2009