Minelab X-Terra 705 Manual de instrucciones descargar pdf (Pagina 24)

44 45

battery behaviourtracking ground balance offset

This setting is recommended for experienced

users.

Tracking GB Oset allows you to set the

Tracking Ground Balance slightly positive or

negative allowing a performance advantage

under certain conditions.

For example, this can be useful in mineralised

ground with hot rocks. The ground can be

balanced and then the Tracking GB Oset

adjusted to help reduce the eects of the

hot rocks. When detecting on the dry–wet

transition at the beach, dry sand will require

one Ground Balance setting and wet sand

another. You can use Tracking GB Oset to

compromise between the dry and wet sand.

A negative Tracking GB Oset (–1 to –15) may

slightly improve sensitivity in very mild soils.

A positive Tracking GB Oset (+1 to +15) may

slightly improve target ID accuracy.

To set your Tracking GB Oset:

Select Ground Balance

Press Accept/Reject to enter Tracking

GB Oset. The Ground Balance icon will

continuously ash and the oset number is

displayed via the digits and menu scale.

Press the + or – buttons to adjust.

Press Accept/Reject

to save your setting

and return to Ground Balance.

Press Ground Balance

or Pinpoint/

Detect

to save the Tracking GB Oset

and return to the main detection screen

The GB number displayed in the GB screen

when you are in Tracking mode is the neutral

GB plus the Oset setting. For example, if

neutral ground balance is 45 and the Oset

setting is +5, then the displayed number is 50.

Some experimentation with the Tracking GB

Oset may be required while detecting so that

you may nd your optimum setting.

Use + for positive

GB Oset

Use – for negative

GB Oset

Remember, your Tracking Ground

Balance Oset will only function

when you are using the Ground

Balance Tracking mode.

When the Tracking GB Oset is not

neutral (0) the Tracking icon will

ash when you are in the Ground

Balance menu.

1.5 V Alkaline

1.2 V NiMH/NiCad

The X-Terra 705 is capable of using dierent

types of AA batteries:

1.5 V Alkaline

1.5 V Carbon

1.5 V Lithium (non-rechargeable)

1.2 V NiMH (rechargeable)

1.2 V NiCad (rechargeable)

Overvoltage

If the battery voltage is

too high (above 8V), the

battery icon will flash

and the detector will shut

down.

Battery Voltage (volts)

Approximate Time in Hours

The use of headphones will

extend battery life.

Rechargeable Lithium Ion batteries

will give a combined voltage above

8 V and therefore cannot be used with

the X-Terra 705.

When the detector battery is low, the speaker

volume will be reduced; saving battery power

and extending detecting time. The headphone

volume is not aected.

The graph below is a representation of how 1.5 V and 1.2 V batteries may discharge over time.

How the detector is used will aect how long the batteries last for.

Full

2 black segments

inside the outline.

Half

1 black segment

inside the outline.

Low

The icon will begin to

flash for a period of

time and there will be

audio announcements

every 60 seconds before

the detector finally

shuts down.

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