DX-300 – DIVER HELD MAGNETOMETER
User Manual
9
carry out straight line searches to a set distance in a variety of directions. If you
detect even the smallest change in audio in any given direction, note the point of
the peak response.
6.
Carry out a search through the initial peak response on a line that intersects at 90
degrees, a further peak response should occur somewhere on the intersect line to
confirm the true position of the target.
7.
If you are just doing a general search of an area, you will probably want to
establish some sort of grid and move in straight lines a good starting point is to
search at a separation of 2 or 3 metres (6 to 10 feet), Note. The midpoint between
successive lanes is only half the separation distance, hence the DX-300 is not
required to detect laterally at the full lane separation distance.
Note: Different environmental conditions may make a small difference to the
threshold setting as you perform your search, which can be readjusted by the SET
AUDIO control knob.
Care and Maintenance
Proper care of your
Aquascan DX-300
will be repaid by a long and trouble free life
and attention should be given to the following points: -
1. After use, and before removing plugs, make sure that the unit is switched off,
and wash down with clean fresh water.
NEVER
use chemicals to clean your DX-
300 as these will damage o-rings and seals, which can cause them to fail and allow
the incursion of water into the control unit.
2. Remove the Sensor Probe and Bonephone/Headphones plugs from the
bulkhead sockets, and make sure the Rubber Seal is free from sand or other debris
(remove and clean if necessary). Dry off the plug pins and blow any moisture out
of the sockets. You can use a Q-Tip to clean and dry the sockets. Ikelite does not
recommend using silicone grease or any other material on the connectors. The
rubber seal provides adequate isolation of the connectors from the water. Use of
these type products tends to accumulate sand and other debris which can actually
interfere with the seal. Never utilize petroleum products such as Vaseline, since
these will harden the rubber seal making it non-functional. The rubber seal should
be replaced any time it becomes stiff, as this will interfere with its function.
Note: A dirty or corroded connection is the most common cause of poor
performance of underwater detection equipment. Keep your connectors clean
and dry between uses. Use water dispersants as required.
1.
Dry the DX-300, paying particular attention to the area around the plugs.
2.
Clear any excess water present on the bulkhead by blowing or wiping with a
soft cloth.
