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Seismic Source BOOM BOX 3 User Manual

Seismic Source BOOM BOX 3
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User’s Manual
44
o BB3/UE3 Encoder (EF3)
Repeater ID (1 64) used with A3 and F3 Repeater Encoder.
Auto Shut Down (0-255 minutes)
o Decoder unit will automatically power down after this time to conserve battery
power.
o Any switch movement will reset the time to shut down.
o 0 is always ON.
o Normally set to 10 minutes.
First Break Threshold
o 10% of peak Threshold (Data Peak/10 with Backup)
o 20% of peak Threshold (Data Peak/5 with Backup)
Interface Function:
o Recorder Start Active.
High
Low to high transition on Non-isolated Recorder Start.
Open on Isolated Recorder Start
Low
High to low transition on Non-isolated Recorder Start.
Closed on Isolated Recorder Start
o Time Break Active.
High
Low to high transition at time 0 when shot is fired on Non-isolated
Time Break.
Open on Isolated Time Break.
Low
High to low transition at time 0 when shot is fired on Non-isolated
Time Break.
Closed on Isolated Time Break.
Decoder always-active LOW.
o Remote Start Active signal to Boom Box 3 from the Recorder, which starts the
Fire Command sequence.
High low to high starts fire command sequence.
Low high to low starts fire command sequence.
o Speaker Polarity selects speaker polarity for the radio reception. Typically, the
Boom Box 3 will receive data better on one polarity than the other. A distance test
should be performed to determine optimum performance.
o Microphone Polarity Sometimes it is better to switch microphone polarity than
speaker polarity.
Normally set to Normal.
Geophone Limit Min (0 870) ohm. Sets minimum limit in ohms for the uphole
geophone resistance measurement. Determines if the Boom Box 3 Decoder test the uphole
geophone as good or bad. Flashes Test LED 4 times green for good or flashes 4 times red
for bad.
o Typical = 50 ohm depends on uphole geophone.
Geophone Limit Max (0 870) ohm. Sets maximum limit in ohms for the uphole
geophone resistance measurement. Determines if the Boom Box 3 Decoder test the uphole
geophone as good or bad. Flashes Test LED 4 times green for good or flashes 4 times red
for bad.

Table of Contents

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Seismic Source BOOM BOX 3 Specifications

General IconGeneral
BrandSeismic Source
ModelBOOM BOX 3
CategoryController
LanguageEnglish