Radio Shack Marine Instruments manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Go to page of

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Radio Shack Marine Instruments, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Radio Shack Marine Instruments one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of Radio Shack Marine Instruments. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of Radio Shack Marine Instruments should contain:
- informations concerning technical data of Radio Shack Marine Instruments
- name of the manufacturer and a year of construction of the Radio Shack Marine Instruments item
- rules of operation, control and maintenance of the Radio Shack Marine Instruments item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Radio Shack Marine Instruments alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Radio Shack Marine Instruments, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Radio Shack service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Radio Shack Marine Instruments.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Radio Shack Marine Instruments item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    Owner’s Manual Please read before using thi s equipm ent. Clamp-On AC Ammeter with Det achable M ultimete r[...]

  • Page 2

    2 Contents ˆ Contents Features ...... ................. ........... ................. ................. ........... ................. ........... 3 A Wor d About Safet y .................... ........... ................. ................. ........... ...... 4 Special Pa nel Markings ............... ........... ................. ................ ..[...]

  • Page 3

    3 Features ˆ Features Your RadioSh ack Clamp-O n AC Am- meter wit h Detac hable M ultimeter is design ed with a precisio n meter movem ent to avoi d mechan ical sho ck damage . You r port able, com pa ct m ul- timeter i s ideal for fi eld, la b, shop, bench, and ho me appli cations. The multim eter meas ures DC and AC cur- rent, DC an d AC voltage[...]

  • Page 4

    4 Features A WORD ABOUT SAFETY We have ta ken ev ery precau tion in design ing this m ultimete r to ensure that it is as s afe as w e can make it. But safe op eration depe nds on you , the operat or. We reco mmend tha t you fol low these s imple safe ty rule s: • Ne ver apply voltages to the mul - timeter tha t exceed the limits given i n “Spec[...]

  • Page 5

    5 Special Panel M arkings MEASURE CURRENT AND VOL T AG E IN COMMERCIAL ELECTRICAL P ANELS. UNLIKE A HOME AC OUTLET , A COM- MERCIAL ELECTRICAL P ANEL HAS TREMENDOUS CUR- RENT SURGE POTENTIAL. THIS IS ESPECI ALL Y TRUE FOR THREE-PHASE INDUS- TRIAL ELECTRICAL P ANELS. A SMALL SP ARK FROM O NE OF THESE P ANEL S CAN CAUSE A PLASMA EXPLOSION AND FIRE TH[...]

  • Page 6

    6 Specifications ˆ Specifications RANGES AC/DC V olta ge .................... ...... ...... ..... ...... ........... ...... ..... ...... ... 15V , 150V , 500V DC Current .................... ................. ................ ............ ................ ............. 150 m A AC Current .............. ........... ................. ...............[...]

  • Page 7

    7 A Quick Look at Your Multimeter ˆ A Quick Look at Y our Multimeter OHMS ADJU ST (le ft s ide o f AC AMMETER MUL TIMETER multimeter) Ω O H M S[...]

  • Page 8

    8 Preparation ˆ Preparation INSTALLING A BATTERY Your multi meter requires one AAA battery (not supp lied) f or power. Fo r the best p erforma nc e an d lo nge st life , we rec ommend a Radio Shack al ka- line ba ttery. Warn in gs: • T o avoid elec trical sho ck, disc on- nect bot h of the m ultimete r ’ s test leads fro m any equ ipmen t befo[...]

  • Page 9

    9 Preparation 4. Place the battery in the c ompart- ment as indicate d by the po larity symbol s (+ an d –) marke d insid e. 5. Repla ce the bac k cover an d the top cove r , then secure them with the screws. When you canno t a dj ust the nee dle to point to 0 on th e sca le w hen yo u mea - sure re sistance (see “M easuring Re- sistan ce” on[...]

  • Page 10

    10 Using the Multimeter 3. Use th e screw to se cure the ammete r to the multim eter , then put the top c over you rem oved in Step 1 in a safe pl ace. ZERO ADJUSTMENT If the n eedle does not normal ly rest exactl y over 0 on the left side of the ACVA/DCVA scale, us e a flat scre w- driver to a djust th e plastic screw on the cente r of the mu ltim[...]

  • Page 11

    11 Using the Multimeter MEASURING DC/AC V OLTAGE WARNINGS: • NEVER CLAM P A TEST LEAD TO A HOT WI RE (USUALL Y RED, BLACK, OR BLUE IN AC WIRING CIRCUITS). IF ONE LEAD IS CLAMPED TO A HOT WIRE AND YOU TOUCH THE MUL TIMETER’S OTHER PROBE, YOU COULD RECEIVE AN ELECTRIC SHOCK. • THE MAXIMUM INPUT LI MIT FOR VOL T AGE MEASURE- MENT I S 500V DC OR [...]

  • Page 12

    12 Using the Multimeter to 2, t he AC o r DC voltage is 100 vol ts (2 × 5 0 = 100V). • If th e functi on selec tor is set to 15 DCV , read the lower line of ACVA/DCVA on th e mul tim e- ter then mu ltiply the reading you se e by 5. Fo r example , if the need le points to 2, the DC voltage is 10 volts (2 × 5 = 10V) . • If th e functi on selec [...]

  • Page 13

    13 Using the Multimeter Measuring AC V oltage Riding on a DC Source Bias To mea sure A C volta ge supe rim- posed o n a DC voltage source bi as while ignoring the D C voltage , you must fir st measure the AC and DC voltage s sepa rately, the n compute the peak voltage using th is form ula: Peak vol tage = DC vo ltage + AC volt - age/0. 707 WARNINGS[...]

  • Page 14

    14 Using the Multimeter 1. Set the fun ction selec tor to 150 mA DC mA . 2. Remov e power from the circ uit under te st and discha rge all capac itor s. 3. Break the ele ctrical pat h for the circui t in which you wa nt to mea - sure c urrent. T hen con nect the – (commo n) test lead to the nega- tive s ide and th e positi ve (+) tes t lead to t [...]

  • Page 15

    15 Using the Multimeter 4. Hold d own the t rigger leve r on the amm eter . The amme ter ’s jaws open. Then inse rt the wire you ar e measurin g inside the probe 's jaws and rele ase t he trig- ger le ver. 5. Slide T/3A/15A/30A on the amme - ter to 3A , 15A , or 30A (to m easure current). Note: If y ou ar e not s ure abou t the curre nt leve[...]

  • Page 16

    16 Using the Multimeter MEASURING W ATTAGE You can use the m ultimeter a nd am- meter to tel l h ow man y watts of powe r an appl iance u se s. Thi s hel ps y ou de - termine what t he el ectricity costs are for that a ppliance . The fo llow ing for mul a can hel p you make th e neces sary conv ersion. V (volts ) × A (amps) = W (watts) To determ i[...]

  • Page 17

    17 Care • If the function se lector is set to R × × × × 1K Ω , multi ply that readi ng by 1000 t o compute th e resistan ce. For exa mple, i f the nee dle points to 1 , t he resist ance i s 1000 oh ms (1 × 1000 = 1000 Ω ). Hint: If you are ide ntifying cathode and anode e nds or th e type o f tran sis- tor (PNP or NP N), the actu al pola[...]

  • Page 18

    18 Care REPLACING THE FUSE If the multi meter do es not work, you might nee d to replace the fus e with the suppl ied 315 mA, 250V ceram ic fuse. The spare fu se is next to the battery c ompartment. Caution: Do not use a fuse wi th rat- ings oth er than those s pecified here. Doing so might d amage your mult im- eter . Follow these s teps to re pla[...]

  • Page 19

    19 Notes ˆ Notes[...]

  • Page 20

    22-602 01A01 Printed in China Radi oSha ck Cor p orat ion Fort W orth, Te xas 7 6102 Limited Ninety-Day W arranty This pro duct is warr anted by RadioSh ack against man ufactur ing defec ts in materia l and work- manshi p under norma l use for ninety (9 0) d ays from the date o f purcha se fr om Radi oShack com- pany-owne d stores and author ized R[...]