ONLINE ELECTRONICS LTD
PR1_5001_A01 Page 5 of 8
2. SPECIFICATIONS
Battery Life ........................................................................................ 17 Hours Continuous
Battery Type ........................................................... 10.8V Rechargeable NiCad Battery Pack
Frequency Range ......................................................................................... 3kHz to 97kHz
Bandwidth ............................................................................................................... 2kHz
Directivity ..................................................................................................... 30° (Typical)
Max Operating Depth ............................................................................................... 180m
Weight in Air ........................................................................................................... 3.3kg
Weight in Water ...........................................................................-0.1kg (Slightly Buoyant)
Housing Material ..................................................................................... High Impact PVC
3. OPERATION
3.1. PR1 FUNCTION TEST
An acoustic pinger with a
known frequency and pulse
rate is required in order to
function test the PR1 Pinger
Receiver unit.
1. Activate the test pinger
within range of the PR1
Pinger Receiver. If
testing in air, a range
of approximately 5cm
should be used.
2. Turn the unit on by
rotating the Volume
Control Knob clockwise.
There should be a
noticeable click at the
beginning of travel and
the LCD in the centre
of the front panel
should illuminate and display the current frequency setting. Continue rotating the volume
knob until it reaches its limit at which point the volume has been set to maximum. Note:
If the LED at the far right of the Signal Strength Meter is flashing the unit should be
charged overnight before proceeding (see SECTION 3.3).
3. Use the Frequency Control Knob on the faceplate to adjust the frequency setting of the
PR1 unit to match that of the test pinger. Use the Sensitivity Control Knob to set the
sensitivity to maximum. Ensure that the acoustic window is pointing towards the pinger
and confirm that the Signal Strength Meter is registering a pulsing signal that matches the
pulse rate of the test pinger.
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