Brunton Multi-Navigator Wartungshandbuch PDF herunterladen (Seite 11)

Headlamps FAQ

Why shall I have a headlamp?

Anytime you use a ashlight you would normally be much better off with a

headlamp! There are several occasions when a headlamp is the perfect tool.

Camping, climbing, hiking, running, professional work such as electricians, car

repairmen, and search and rescue teams are all examples of frequent headlamp

users.

What kind of model shall I choose?

If your primary goal is only light, you will in the high power range, probably nd

the most powerful headlamps on the market, suitable for professionals, training

athletes etc. If you need a compact, long-lasting headlamp with a combination of

strong light and extremely long discharge-time, we recommend one of the models

M1 or M2.

Rechargeable or alkaline batteries?

If you intend to use your M-series headlamp often and you also have the possibility

to charge between uses, we strongly recommend M1, which has the powerful

halogen bulb in combination with the long-lasting LEDs. If charging possibilities

are limited, the choice should be the M2 or M3 both of which can be used with

alkaline or rechargeable batteries. The high power headlamps such as the model

478 require powerful rechargeable battery-packs.

I depend on a very long discharge time – which is my choice?

The M1 and M2 have LED technology, which will give you approx. 100-150 hours of

light. The light is soft and it is perfect for close range work.

Are the M-Series headlamps waterproof?

Yes, they are waterproof and dust proof to the IP56 standard ensuring use in the

toughest of conditions.

Will the battery performance change in cold conditions?

For best performance when using any headlamp below 0 degree Celsius, we

recommend Lithium, Ni-Cad or NiMH batteries.

Outdoor Instrument FAQ

How does an altimeter work?

An altimeter works like a barometer, by measuring changes in atmospheric

pressure. It responds to pressure changes and re-calculates these into a certain

altitude above sea level.

How accurate is a Silva Altimeter?

Provided it is recently calibrated,you will have an accuracy down to +/-1m!

Do I need to calibrate my altimeter?

Yes – since the altimeter is using recent and current air pressures for its calculation,

it is important to calibrate the altimeter frequently (at known altitudes). It is good to

know that a difference of 1mbar equals 8 meters altitude.

What is wind-chill?

Wind-chill is the effect of wind speed and temperature combined. It is important to

consider the wind-chill factor when selecting clothing to wear during an expedition.

The Windwatch will provide you with the current wind-chill factor.

Bear in mind, that at just 20km/h wind speed and an ambient temperature of -5°C,

the wind-chill effect is -20°C!

How does a pedometer work?

A pedometer uses a sensor that registers every step you take. After having entered

your stride length,the pedometer will calculate the approximate distance you have

walked/run during your trip/exercise. Accuracy depends upon accurate calibration

of your stride length. The average stride length along the walk, should equal the

stride length used for calibration. Remember to attach the pedometer on your belt

etc at your hip for best results.

Can I use the BatterySaver PowerPak to charge my mobile phone?

Yes, the PowerPak has a 12V adapter to which you can connect your 12Volt cig

adapter charger. Note that the max output is 12V 70mA or 6V 140mA.

Do the Solar panels need direct sunshine to work?

No – they will charge at normal daylight as well, but naturally it is preferable to

expose the panel to full sunlight for best performance.

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