Velleman CS150 User Manual download pdf (Page 5)

CS150

5. Press the left battery compartment cover's tab and slide the cover off in the direction of the arrow

[I].

6. Place two 9-volt batteries into the battery compartment on top of the ribbons, matching the

polarity symbols (+ and -) marked.

7. Replace the left battery compartment cover.

Caution:

• Always remove old or weak batteries. They can leak chemicals that can destroy electronic parts.

• If you do not plan on using the detector for a week or more, remove the batteries.

• Dispose of old batteries promptly and properly.

You can extend battery life by using earphones, which require less power than the speaker.

c. Testing the Batteries

If the detector does not turn on, has weak volume, will not tune properly, has erratic operation or

drifts,test the battery power.

• Set MODE to VLF (very low frequency). To test the batteries in the left battery compartment, set

BATT TEST to B1. To test the batteries in the right battery compartment, set BATT TEST to B2

[J]. If the pointer on the VU-meter is between 3 and 5 (green area), the batteries are OK. If the

pointer is not in the green area, replace them.

d. Adjusting the Meter

• Set MODE to OFF, use a screwdriver to adjust the pointer to line up with 0 on the scale [K, L].

e. Using Earphones

Using stereo earphones (not supplied) allows you to listen privately. It also saves battery power and

eases identifying subtle sound changes for better results.

• To connect headphones to the detector, insert the earphones' 1/8-inch plug into the HEAPHONE

jack [M].

Note: The detector's internal speaker disconnects when you connect earphones.

f. Listening Safely

To protect your hearing, follow these guidelines when you use earphones.

• Set the volume to the lowest setting before you begin. Adjust the volume to a comfortable level

while listening.

• Do not listen at very high volume levels. Extended high-volume listening can lead to permanent

loss of hearing.

• Once you set the volume, do not increase it. Over time, your ears adapt to the volume level, so a

volume level that does not cause discomfort might still damage your hearing.

g. Traffic Safety

Do not wear earphones while operating your detector near high-traffic areas. Even though some

earphones are designed to let you hear outside noise when listening at normal volume levels, they

still can present a traffic hazard.

6. Operation

Your Velleman metal detector distinguishes between ferrous (contain iron) and non-ferrous (do not)

metals. When the detector senses a metallic object, the meter reading changes, the NON-FERROUS

or FERROUS indicator turns on or off, and the detector sounds one of three tones. The higher the

tone pitch, the stronger the detection.

a. Preparing the detector

1. Set BATT TEST to OPERATE.

2. Hold the detector in a comfortable position, then rotate MODE to the desired position. Set it to

VLF to test battery power and adjust TUNE and GROUND. (See "Fine-tuning the detector" and

"Adjusting GROUND"). Set it to TR1 to detect extreme differences in metals, such as between in

metals, such as between iron and gold. The difference between iron and gold shows on the meter

(iron in the ferrous section, gold in the non-ferrous section). Set it to TR2 to detect finer

distinctions between metals, for example between aluminium and gold (see "Adjusting

DISCRIMINATION") [N].

Follow these steps to set TUNE [O]:

1. Rotate VOLUME to the 10 o'clock position.

2. Set MODE to VLF.

3. Set DISCRIMINATION, GROUND and SENSITIVITY to their midpoint.

4. Hold the search coil about 1 foot (30cm) away from the ground and any metal object. While

pressing the red button on the handle, slowly position TUNE until the pointer on the vu-meter

rests at 0. Release the red button.

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Velleman CS150 User Manual Page 5

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