1.Use Model DQL-7 bụ maka atụ azimuth, anya, mkpọda, elu na agbara.A pụkwara iji ngwá ọrụ tụọ map dị mfe.Enwere ntụ ntụ na-egbuke egbuke n'akụkụ akụrụngwa dabara adaba maka iji ya n'abalị.
2.Structure Ngwa bụ nke kompas na mileometer mebere.Akụkụ ndị bụ isi bụ (lee Fig1)
1) mgbanaka 2) nkwado azimuth (Enwere akpịrịkpa abụọ na ya. A na-ekewa nke dị n'èzí na nkeji 360 na nkewa nkewa bụ 1 °. ) ngwaọrụ nha nha 5) na-akwado agịga 6) bọtịnụ maka ịkwụsị agịga 7) mirror〖LM〗〖LM〗 8)milemeter9) wheel wheel 10) diopter 11) ihu ihu 12) estimator 13) nha nha.
2) The akpịrịkpa maka milemeter bụ :1:25,000,1:50,000,1:75,000,1:100,000.Ebe dị n'etiti ndụmọdụ abụọ nke estimator: 12.3mm.Ebe dị anya n'etiti diopter na estimator: 123mm
3) Ntuziaka maka ojiji
(1) Ntuzi aka azimuthal
(A) Mepụta ntụzịaka nke ọnọdụ ebe ịnọ.Frist mepee ihe mkpuchi nke ngwá ọrụ ahụ ma mee ka azimuth n'ọnụ "N" ntụaka "O", wee tụgharịa ngwá ọrụ ahụ ruo mgbe agịga N ogwe aka "O", nke a bụkwa North. Ị nwekwara ike ịmara,East South na West n'otu ụzọ ahụ. .
(B) Mepụta ntụzịaka nke map ahụ, na-eme ka ntụzịaka maapụ kwekọọ na ntụzịaka ebe ị nọ.Mepee mkpuchi ahụ ma tụgharịa nkwado azimuth ruo n'ọnụ azimuth "N" na-atụ aka na ndọta ndọta nke mpaghara gị, wee mee nha nha 13) bechapụ ezigbo meridian na maapụ. "N", na nke a, ntụzịaka dị na maapụ kwekọrọ na mpaghara gị.
(C) Na-atụ akụkụ azimuthal magnetik
(a) na-atụ akụkụ magnetik azimuthal nke ebumnuche mpaghara gị Mepee mkpuchi ahụ, mee ka enyo dị n'akụkụ akụkụ 45º yana nkwado azimuth.Mgbe ahụ tinye mkpịsị aka gị n'ime mgbanaka ma mee ka ngwa ahụ dị larịị.Mgbe nke ahụ gasịrị, mee ka diopter ahụ, ihu ihu na ihe mgbaru ọsọ dị n'otu ahịrị ahụ, n'oge a, ogo dị na nkwado azimuth nke agịga N ogwe osisi nwere ike ịgụ na enyo na nke a bụ ogo azimuthal magnetik nke mpaghara mpaghara gị. iche.
(b) tụọ akụkụ magnetik azimuthal nke ebumnuche na maapụ Buru ụzọ dozie ntụzịaka maapụ dịka ntụzịaka n'ezie, wee tinye nha nha 13) n'ahịrị site na ebumnuche ruo n'ọnọdụ gị, yabụ enwere ike nweta akụkụ azimuthal magnetik site na. ogo nke agịga N ogwe aka mgbe ọ kwụsịrị agịga.
(2) Ịtụ ebe dị anya
a) Gụpụta nọmba site na nha nha ozugbo.
b) Iji otu kilomita tụọ anya na eserese ahụ, buru ụzọ dozie ihe nrịbama ọbara ọbara wee mee ka ọ tụọ “O”, tinyezie wheel ahụ n'ebe mmalite ma bugharịa ya site na mmalite ruo na ngwụcha n'ahịrị tụrụ. site n'ịgụ ọnụọgụgụ dị na mileometer dịka akpịrịkpa dị iche iche.
c) Ịtụ ebe dị anya site na ọnọdụ ebe ị nọ na ebumnuche site na onye nleba anya.N'ihi na ogologo n'etiti ndụmọdụ abụọ dị na estimator bụ 1/10 nke anya site na diopter ruo n'ihu anya.Yabụ na ị nwere ike ịmata ebe dị anya site na ebe ị nọ na ebumnuche site na iji triangle yiri ya.(lee foto 2).
Ọ bụrụ na ịmara ebe L, ị nwere ike mara S:
S=L×1/10
Ọ bụrụ na ịmara ogologo S, ị nwere ike ịma L:
L=S×10
Mara: Usoro nlere a bụ naanị maka nyocha ọkpụkpụ.
(3) ịlele mkpọda Mepee mkpuchi nke ngwá ọrụ ma mee ka enyo dị n'akụkụ 45 ° na nkwado azimuth.Na ahịrị site na diopter gaa n'ihu ga-adị na mkpọda ahụ.Nkuku na-atụ divice na-efegharị n'efu.N'okwu a, ịnwere ike ịgụta ogo site na ọkpụkpọ mkpọda na enyo.
(4) Ntụta elu ebumnuche Ọ bụrụ na ịmara ebe dị anya L (Lee Fig2), buru ụzọ tụọ mkpọda ahụ, mgbe ahụ ị nwere ike gbakọọ ogologo ebumnuche ahụ.
4. Mara
(1) Etinyela ngwa n'akụkụ ihe ndọta.
(2) Mee ka enyo dị ọcha.
(3) Mechie ngwa ahụ mgbe ọ naghị arụ ọrụ.
Oge nzipu: Sep-16-2022