AQUASCAN INTERNATIONAL DX-300 Betriebsanleitung - Seite 10

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DX-300 – DIVER HELD MAGNETOMETER

3. Recharge the batteries if the total hours used is approaching 10.

4. Never leave your DX-300 lying in the hot sun, as this could raise the internal

temperature to the point where it may distort the case and harm the electronics.

This warning also applies to the Sensor Probe and headphones/Bonephone.

5. The electronic unit is sealed and pressure tested in the factory, no attempt

should be made to access the electronics. If any servicing is required, contact

your supplier who will advise you where to send the unit.

Battery Care & Checking Battery Performance/Status

The DX-300 internal battery pack is an 8-cell series NiMH AA size pack giving a

capacity of approximately 2700mA/Hrs at the discharge rate. This capacity relates to

an operational period of over 24 hours from full charge. Note: self-discharge occurs

naturally in a rechargeable battery. During inactivity this self-discharge causes the

battery to slowly discharge itself over a period of months. To maintain maximum

performance it is important to charge your DX-300 periodically when not in use.

Checking Battery Pack Performance

Note: For routine maintenance this should be carried out every three months.

The recommended procedure is as follows: -

1.0

Connect the Sensor Probe to your DX-300 module.

1.1

Power on your DX-300 and leave it on overnight to fully discharge the battery.

1.2

Power off the DX-300 and disconnect the Sensor Probe.

1.3

Charge the DX-300 for at least 14 hours using the provided charger.

1.4

Once the DX-300 is fully charged, disconnect the charger.

1.5

Connect the Sensor Probe and Bonephone/Headphone to the DX-300 unit and

switch it on. Place the Sensor Probe away from any ferrous target and adjust

the SET AUDIO control to get a steady slow ticking sound if possible. This

may be difficult if you are inside a building due to the electronic noise and

many metal objects.

1.6

Make a note of the time.

1.7

Confirm the functionality of the unit every 30 minutes - re-adjusting the tick-

over as necessary.

1.8

When it becomes impossible to set the threshold, or the audio ceases

altogether, this can be considered to be the end of charge status for the battery.

This should be in the range of 10 to 12 hours for a healthy battery pack.

User Manual