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Seismic Source BOOM BOX 3 - BB3;UE3 Repeater Operation; Fire Sequence - BB3;UE3 Repeater - Following Sequence Occurs

Seismic Source BOOM BOX 3
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User’s Manual
32
The Encoder will output the following timing pulses. These pulses are based on when the
Shot Status Message is received from the repeater Decoder.
o Data reception pulse Pulse that is generated if Shot Status Message is received.
This pulse should be at 2.5 seconds after time break plus one-way radio delay.
o Confirmation Time Break This pulse will be generated if current to CAP
exceeded threshold. This pulse is generated 0.5 seconds after Data Reception
Pulse.
o Uphole Data The analog uphole data is reproduced exactly 1 second after the
Data Reception Pulse.
The Source Control F3 program or SourceLink v.22+ program can be used to view the
following
o The Shot Status message from the Decoder
o GPS information before or after shot
o View Resistance measurements before or after shot
9.2.3 BB3/UE3 Repeater Operation
A Boom Box 3 in Decoder operating mode can be used as a BB3/UE3 Repeater.
The Boom Box 3 Decoder unit becomes a BB3/UE3 Repeater whenever a BB3/UE3 Repeater start
code message is received with the correct conditions. The Decoder Crew ID must match the
BB3/UE3 Repeater start code message Crew ID and the Decoder Unit ID must match the BB3/UE3
Repeater start code message Repeater ID.
If the same Unit ID is shared among more than one box, the BB3/UE3 Repeater operation will not
operate properly.
9.2.4 Fire Sequence BB3/UE3 Repeater Following sequence occurs.
The Boom Box 3 Decoder unit is powered on and connected to a radio. No switches or
buttons need to be pressed to be in repeater mode.
When a valid BB3/UE3 Repeater Start Code is received from the BB3\UE3 Encoder unit,
the Repeater generates the Decoder Start Code from the BB3/UE3 Repeater Start Code.
The BB3/UE3 Repeater Decoder receives the Shot Status Report message from the
shooting pack Decoder.
The received Shot Status Report is re-transmitted over the radio to the BB3\UE3 Encoder.

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