ELECTRO-METRICS EM-2115 2.0 OPERATING INSTRUCTIONS
(EM2115S2-29)
The following EM-2115 outputs are used for oscilloscope presentation:
a. A13J8 Horizontal Output
Horizontal (X) output to the horizontal amplifier of the oscilloscope. Output is 0
to 1.5 V nominal into 1 k
or greater.
b. A13J9 Vertical Output
Vertical (Y) output to the vertical amplifier of the oscilloscope. Output is 0 to 1.5
V nominal into 1 k
or greater for 60 dB range.
c. A13J10 Blanking Output
Blanking (Z) output to the blanking input of the oscilloscope. Output is a 5 Volt
pulse selectable for positive or negative polarity. Factory set to +5 V.
NOTE:
If the polarity of the Blanking Pulse is wrong for the oscillo-
scope being use, a PC Board mounted switch (located on the
Sweep Board A11) within the receiver is used to change the
Blanking Pulse polarity. For information on obtaining access to
the PC Board, refer to Section IV (Service, Maintenance, and
Calibration) Para. 4.2. If any additional assistance is required,
contact Electro-Metrics or your nearest Electro-Metrics repre-
sentative.
2.7.2 EM-2115/Oscilloscope Operation
a.
Connect the EM-2115 to the oscilloscope with both the vertical and horizontal
inputs DC coupled. Set the oscilloscope for External Horizontal or X-Axis (
not
External Trigger). The oscilloscope must have an external input to the horizontal
amplifier; refer to the oscilloscope instruction manual.
b.
Set the EM-2115 front panel controls as follows:
DETECTOR ...................................................SLIDEBACK
THRESHOLD Control ...................................FULL CCW
FINE TUNE Control ......................................Mechanical center
AFC ................................................................OFF
SCAN MODE ................................................CONTINUOUS
SCAN WIDTH ...............................................FULL BAND
NOTE:
Since the EM-2115 normally uses the Continuous Scan Mode
of operation when an oscilloscope is being used for data re-
cording, the following procedure is based on the Scan Mode set
for Continuous.
Содержание EM-2115
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