CREDO DDM Metal Detector User Manual Download | Manualshive

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CREDO DDM

metal detector

User Manual

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Summary of Contents for Metal Detector

Page 1: ...CREDO DDM metal detector User Manual ...

Page 2: ...still not on a professional level page 8 If you are a professional or have extensive experience with metal detectors page 8 Full Manual Set Up page 8 9 10 All Metal Mode page 10 Discrimination Mode page 11 Pinpointing page 11 5 Special Modes of operation page 11 12 13 Discriminating Ground Minerals in severe mineral conditions page 11 Discriminating all types of hot rocks and metallic ore page 11 ...

Page 3: ... Beaches It may be used in any of the three basic modes of operation Auto All Metal or Discriminate The CREDO DDM is designed to be a general purpose metal detector capable of finding both small and large targets at extreme depths The standard coil supplied is the 13 DD and this is ideal for general searching operations There are 4 different DD search coils that can be used as accessory with the C...

Page 4: ... DD at 18kHz Specially designed for gold nuggets and small targets at great dept Extend of detection dept not fully tested yet 7 DD at 8kHz General search coil designed for quick scan of new detecting fields and areas Very good for searching narrow spaces holes and ditches Best suited for small and medium targets in contaminated areas Each coil is tuned to a slightly different frequency within the...

Page 5: ...ions This configuration is also useful if the CREDO DDM is to be used by children and makes it a good family metal detector that can be used by anyone in the family The CREDO DDM is supplied with a drop in battery holder that can be used for all types of AA size batteries alkaline or rechargeable a charging socket is provided to the battery box for connecting a charger unit To insert or change bat...

Page 6: ...ased on LED technology and provides a reliable visual discrimination analysis in All Metal Mode and Iron Rejection Mode The bar will light RED for non ferrous targets and will not indicate Iron targets Discrimination This knob sets the level of the discrimination Rotating the Discrimination knob clockwise from 0 to 10 will INCREASE the level so that Iron is increasingly not detected but high setti...

Page 7: ... the Threshold knob In Auto mode the Sensitivity level is recommended to be set to minimum Once the Auto function is turned on three LED lights will indicate that Ground balance Discrimination and Threshold are automatically controlled Sensitivity This knob controls the level of sensitivity of the responses The sensitivity level setting chosen will depend on the soil conditions but in general the ...

Page 8: ... and Setting Up Having assembled the CREDO DDM inserted batteries and connected the headphones the metal detector is ready for use If you are a novice metal detector user Simply turn on the Auto Mode activated on the Threshold control knob on and start detecting With a little time and practice as you gain experience with the detector you can progress to Manual Modes already then having some idea o...

Page 9: ...isfied proceed as follows Position the coil about 3 above and parallel to the ground surface Raise the coil gently to about 10 250 mm above the ground and lower back to 3 75 mm above ground several times Note whether the threshold tone remains the same or if it increases or decreases in intensity while raising and lowering the coil If the tone rises when LOWERING the coil towards the ground then a...

Page 10: ...ch conditions is by passing a rusty iron nail about 50mm long close to the search coil Rotate the Discrimination knob clockwise until the iron nail is rejected in every possible position against the coil After this procedure check if small non ferrous targets are detectable without loss of depth Finally check again the threshold and volume settings for comfortable levels The CREDO DDM is now set u...

Page 11: ...igging the user allow space to avoid possible damage to finds Special Modes of operation Discriminating Against Ground Minerals in severe mineral conditions If normal Ground Balance proves to be ineffective in dealing with the Ground Minerals then the recommended settings here will help to overcome the problem To cancel out the effect of Ground Minerals turn on the Iron Rejection Mode using the to...

Page 12: ...all clicks Keep the Ground Balance know in position where the ground minerals are usually cancelled balanced out The CREDO DDM is now ready to work on the beach Discriminating Against Large Metal Objects leaving only the smaller ones and Special Gold Nugget hunting setting There are some conditions where only small targets are required in a particular search desirable targets such as gold nuggets ...

Page 13: ... Place on the ground surface samples of all small targets that you do not wish to be detected Start swinging the search coil closely over the unwanted targets While doing so start turning slowly the Discrimination knob from position 0 towards position 10 clockwise Keep doing so until all small targets are giving small clicks in the audio responses and also not giving a response on the DDM meter No...

Page 14: ...or best results Care of the CREDO DDM All metal detectors are precision instruments and require careful handling to ensure they remain in good working order Avoid dropping impacts or violent shaking of the detector and protect it while transporting The detector should not be used in extremely wet weather conditions without protecting the control box and the battery The coil assembly is fully water...

Page 15: ...turned under Guarantee must be properly packed preferably in the box supplied and be sent by insured carrier The sender is responsible for any loss or damage in transit A full repair and replacement parts service is available Technical Specifications Operating Frequency Range 6 18kHz kHz Coil Design DD Coil Weights 13 DD 650gr 10 DD 540g 7 DD 350gr Weight main unit only 1 0 kg without batteries Co...

Page 16: ...M are not interchangeable with the Nexus Standard MkII and vice versa 5 One or more control functions does not work Make sure that you know how to use those control functions according to this User Manual In case that any of the control functions do not cause any change of response in the detector functions then return the detector to your dealer for check and possible repair 6 The detector is uns...

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