Cov kev ua si thiab qoj, Si sab nraum zoov
Mus Orienteering compass
Mus rau ib qho chaw twg, hiking nyob rau hauv lub roob los yog nyob rau hauv cov kev mus kev nyob rau hauv lub hav zoov tab tom nrhiav rau nceb, tsis txhob hnov qab mus coj ib tug compass. Qhov no yog ib tug me me thiab pheej yig ntaus ntawv yuav zoo heev pab txhawb koj orientation rau hauv lub locality, yuav muaj tseeb ua rau lawv thiab tsis tau poob nyob rau hauv ib tug txawv txawv qhov chaw rau koj.
Tus ntaus ntawv yog yooj yim heev compass. Nws yog ib puag ncig lub thawv nrog ib tug movable cover thiab ib pob tshab sab saum toj subtended teev thiab ib tug mus pointer. Qhov xaus ntawm lub sub feem ntau xim nyob rau hauv cov xim txawv - liab thiab xiav. Ib kawg (feem ntau - xiav) qhia tau hais tias rau sab qaum teb, thiab lub thib ob - mus rau sab qab teb. Cov teev tseg plaub loj qhia - sab qaum teb, sab hnub tuaj, sab qab teb thiab sab hnub poob. Ntaus cim sab teeb feem ntau lawv pib cov tsiaj ntawv ntawm cov npe nyob rau hauv lus Askiv, Lavxias teb sab, los yog (C, B, U, W los yog N, E, S, W). Me strokes raschercheny scale. KOMPAS yog feem ntau siv scale tsim Andrianov. Nws muaj kev sib cais 120, txhua tus uas muaj ib tug nqi ntawm 3 degrees.
Yuav pib orientation ntawm lub koob qhia kev, nws yog tsim nyog los muab cov tsiv xub taw mus rau sab qaum teb, nrog rau txoj hauj lwm ntawm "sab qaum teb" nyob rau teev, thiab ces - ua raws li qhov yuav tsum tau lawv.
Mastering lub orientation ntawm lub koob qhia kev, nws yog tsim nyog los paub tias txhua cheeb tsam nws muaj nws tus kheej magnetic declination. Qhov no yog tus nqi uas lub compass lo nyob rau hauv ib tug muab cheeb tsam. Hloov pom tau hais tias tseem ceeb yog hais tias tus ua ntau tshaj peb degrees. Lub magnetic declination nws txawv nrog rau lub sij hawm thiab yog qhia nyob rau hauv lub maps nyob rau hauv lub "lus dab neeg". Thiab yog hais tias raws li ib tug txoj kev qhov twg los ntaub ntawv uas koj tau muab ib tug azimuth kos, nws yeej muaj tseeb (raws li cov zaj lus tim khawv tsis muaj uas tsis) los yog sib nqus.
Siv ib tug compass yog zoo tshaj plaws tso rau hauv ib tug kab rov tav nto los yog tuav nyob rau hauv ib tug kab rov tav txoj hauj lwm nyob rau hauv lub ob txhais tes ntawm lub xub pwg theem. Thaum taug kev, koj yuav tsum tau siv tus nres. Ib tug latch uas locks lub compass thaum tsis nyob rau hauv kev siv. Nres tiv thaiv lub xub los ntawm loosening thiab demagnetization.
Siv ib tug compass rau orientation npaj soj ntsuam thiab kev saib xyuas, ib yam li mus taug kev ua rau kom zuag qhia tag nrho kev txhim kho ntawm lub cev thiab yuav ntxiv zog rau lub plawv.
Mus kev, thiab cov compass yuav pab tau koj nyob rau khiav.
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