17 BOOM BOX 3 Dynamite Controller
5.2 Detailed Decoder Operation
5.2.1 Uphole Geophone Test
• Press Test button on Front Panel to test Uphole Geophone
• Boom Box 3 Compares reading with internal limits
• Geophone Test includes
o Resistance – measures DC resistance
o Frequency – geophone must be planted in vertical position for frequency to pass
o Damping - geophone must be planted in vertical position for damping to pass
o Sensitivity -geophone must be planted in vertical position for sensitivity to pass
• Flashes Test LED green 4 times if result is within entered limits and there is a sensitivity
reading.
• Flashes Test LED red 4 times if result is outside entered limits or there isn’t a sensitivity
reading.
• Geophone resistance will be shown on the Armed and Ready display.
5.2.2 CAP Resistance Test
• Press Test button and ARM switch on Front Panel to test CAP resistance
• Boom Box 3 Compares reading with internal limits
• Flashes Test LED green 2 times if result is within entered limit
• Flashes Test LED red 2 times if result is outside entered limits
• CAP resistance will be shown on the Armed and Ready display.
5.2.3 GPS Test
• Press GPS button to acquire new GPS position – 10 seconds.
• GPS LED is RED for the first 4 seconds to show the GPS button was pressed.
• Solid green GPS LED with a differential position.
• Flashing green GPS LED with a non-differential position.
• Solid red GPS LED when a bad position was received.
• No GPS LED when no GPS information is received within 10 seconds of pressing the GPS
button.
• The GPS LED’s will stay this way until pressing the GPS button again or taking the next
shot.
• Note: Boom Box 3 is normally set up for GPS receivers using 19.2 k baud