SECTION 3: OSCOR MANUAL OPERATION
REI OSC-5000E 48
To delete all programmed sweep spans from memory:
1. Display the sweep span list using the SWEEP/ANALYZE button and the RECALL
button (if not already in the Sweep Mode).
2. Press F4 (labeled EDIT AS GROUP).
3. Press F4 (labeled ALL USER DELETE).
4. Press F1 to confirm the deletion.
To reset the sweep spans to defaults:
1. Display the sweep span list using the SWEEP/ANALYZE button and the RECALL
button (if not already in the Sweep Mode).
2. Press F4 (labeled EDIT AS GROUP).
3. Press F1 (labeled Span Off) to set all spans to OFF.
4. Press F2 (labeled DELETE) to delete all user specified spans.
5. Press F3 (labeled ATTN OFF) to turn the attenuator off on all spans.
Audio Functions
The OSCOR’s built-in audio amplifier and audio circuitry can be used in several ways.
The following sub sections describe these audio functions.
Reference Audio System
For the correlator to work properly, the OSCOR must have a reference audio signal. In
the Correlate Mode, the OSCOR constantly compares the audio arriving through the
receiver system with the reference audio signal. If the two audio signals are similar (which
means that they correlate) there is a very high probability of a bugging device.
The Reference System provides an audio input to the Acoustic Correlator and will
normally listen to the ambient sounds of the room. The built-in reference microphone is
combined with a high-gain, automatic level control to provide signals to the Acoustic
Correlator. The input LED indicator lights when a sufficient input level is delivered to the
Reference System.
NOTE: The OSCOR constantly measures the acoustic level. The OSCOR will prompt you
to use a supplementary sound source such as a tape deck or CD player if the room
sound level is too low or irregular.
The OSCOR can use the external reference to remotely monitor a conference room or
office. Use an external microphone with a long extension cable to provide reference
audio to the correlator while the OSCOR is in another location (see page 103
MONITORING A MEETING IN PROGRESS).
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