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Holatron RFLS-MK3HSXT Operation & Maintenance Manual page 12

Acoustic triggered high speed uhf transmitter

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2.1.2 With the arm switch still in the previous position, turn on the receiver.
Verify a flashing green battery indicator on the receiver module. This
indicator will flash intermittently in bursts of one, two, or three flashes at a
time if the battery has enough capacity to power the receiver. If no
flashing occurs, the receiver cannot be used reliably. Three flashes per
burst indicate that the battery is fully charged, two flashes indicate that its
charge is beginning to diminish, and one flash indicates that it is near the
end of its useful charge, in which case it should be replaced immediately
after the current use.
2.1.3 Enable the transmitter, and with the receiver's ARM switch in "safe" or
"disarmed" position, perform a range test by observing the green
activity light on the receiver while pressing a transmitter button. There
should be no intervening conductive objects for most reliable operation.
All receivers must be elevated 12" or more above ground level to achieve
specified range. When transmitting over water, range will normally
exceed the specified value.
Range of the receiver is typically ½ mile, and its range can be tested with
the arm switch off by observing the green activity indicator while the
transmitter FIRE buttons are pressed. Verify that the transmitter battery is
not depleted by observing the flashing "Xmtr Enabled" light while not
pressing the FIRE buttons. (See section 1.3) Then turn the transmitter
lock switch back to "Safe" position.
2.1.4 If operating in acoustic trigger mode, check acoustic sensitivity by
depressing "Fire A / Enable B" and observing the red transmit indicator's
response to surrounding acoustic events. The transmitter should be held
in a vertical orientation with its rear panel facing the source of the desired
acoustic event. Set the digital switch to the highest acoustic threshold that
still provides reliable triggering, as indicated by the transmit indicator.
Higher thresholds reduce the risk of unintended triggering from
background noise, and lower thresholds reduce the risk of failure-to-
trigger from the desired acoustic event.
disarmed for this test, as transmission is occurring.
2.1.5 Verify electrical continuity through the devices connected to the receiver
outputs. Continuity is tested on the RFLS-96HSRC and RFLS-496HSRC
receivers by pressing the test button. On the RFLS-912HSRC receiver, it
is done by pressing the ARM toggle switch down into its "Test" position.
Lighted lamps indicate open circuits. It is recommended this be done with
the Arm Switch in the "Safe" or "Disarmed" position, but the test circuit will
also function in the "Armed" position.
Note that the receiver must be
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