RIDGID metal detector User Manual download pdf (Page 2)

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Metal Detectors

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detected. In this mode the detector is silent until

an object is detected when it emits a sharp beep.

The sound occurs as the centre of the search

head passes the target object. This is the only

detection mode that provides discrimination.

All-Metal Mode

This mode provides a continuous faint audio

threshold tone, allowing the smallest signals to

be detected. In this mode the audio output will

continually, but slowly, retune to the threshold

level preventing the detector from drifting out of

tune, but requiring the search head to be kept

moving to detect items. This mode is not

available when detecting in Beach mode.

Non-Motion Mode

Similar to the All-Metal mode, this mode also

provides a faint audio threshold through the

speaker or headphones. In this mode the

detector does not automatically retune, but

enables the search head to be held stationary

over the target to allow accurate pinpointing. In

some cases changes in ground conditions and

temperature may cause the threshold to vary

from its faint preset level. In this case the

detector needs to be retuned,

Membrane Keypad

All the VK40's functions are controlled from the 5

keys on the front panel of the detector. Please

read this section carefully to understand how

these controls operate with each other.

Pressing this key once will turn the

detector on. When the detector has com

pleted its startup sequence and is in

detect mode, pressing this button again

will turn the detector off.

▼ When the detector is operating, this key

will switch from the current detection

mode to Motion mode. When the detector

is in Menu mode, this button will decre

ment the currently selected setting.

P When the detector is in either Motion or

All-Metal detection modes, holding this

key will switch the detector into Non-

Motion mode until the key is released.

This allows for accurate pinpointing.

When the detector is working in Non-

Motion, holding this key retunes the

audio threshold to its preset level.

▲ When the detector is detecting in Motion

mode, pressing this key will switch to All-

Metal mode. Subsequent presses will

alternately switch the detector between

Non-Motion and All-Metal modes. When

the detector is in Menu mode, this key

will increment the currently selected

setting.

MENU This key switches the detector into Menu

mode, allowing the Sensitivity, Discrimination

and Ground settings to be adjusted and the Auto

Power Off feature to be enabled or disabled.

Detector Setup

The VK40 provides a menu system to alter the

detector settings which can aid with detecting.

These settings are: Discrimination, Sensitivity

and Ground. The effect of changing the value of

each of these is described below:

Discrimination

The Discrimination setting is used to alter the

detectors ability to ignore unwanted metal

objects when used in Motion mode. The higher

this setting, the more discriminating the detector

will be. When set at 0 all metal items will be

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