D7x11 Series II Navigator Directional Drill Controls 20-1
Section 20: Controls
Strike Alert Controls
(1) Alarm Cancel Button
Push after Strike Alert alarm sounds and the cause has been
corrected.
(2) Test Button
Push to test voltage and current sensing circuits.
Alarm on drill unit must sound.
NOTE: Test Strike Alert system with voltage stake fully inserted into
the ground. Do not test with stake in its storage cradle, lying on the
machine, or lying on the ground.
(3) Green Indicator Light
ON: Strike Alert system test passed.
FLASHING: Sensor failure, ground stake not in ground, or ground
stake wiring problem.
OFF: Bulb burned out or problem in wire harness.
(4) Strike Alert Horn
When alarm sounds, the drill may have contacted an electrical line.
Alarm will also sound when the Test Button is pushed.
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