NECメーカー750Cの使用説明書/サービス説明書
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NEC Mobi lePro 750 C User’s Guide.
First Pr in tin g — Mar ch 1998 Copy ri gh t 1998 NEC C omp ut er Systems Divisi on , Pa cka r d Bell NE C , I n c. 1414 Massachusetts Av enue Bo xborough, MA 01719 All R igh ts R es erv ed PROPRIET.
Contents iii Contents Us ing t his G uide T ex t C onvent ions ............................................................................... v 1 Qu ic k St art Fe ature s Ov e rvi e w .................................................................
iv C ontents A ppl ic atio n Sh ortc ut K e y s ................................................................. 3- 5 A ssi g n in g A ppl ic ati o n Sh ortc ut K e ys ............................................ 3-6 En abli ng the Di spl ay L in kag e Sw i tch .
Using this Guide v Using this Guide T his gu ide int r odu ces you t o your NE C M ob ileP r o™ Ha ndheld P er s ona l C ompu t er ( H/ P C ) . R ea d t he f ollowing s ections .
vi Using this Guide ! W A RNI NG W arni ngs alert you t o situat ions that coul d result in serious personal i nj ur y or l oss of l i f e. ! CA UTION Cauti ons indi cat e situat i ons that can dam age t he system har dware or sof tware. NOTE Notes giv e par ti cul arl y im por tant i nf orm at i on about whatev er i s being descri bed.
Quick Start 1-1 Quick Start C ongr a t u la t ions a nd t ha nk you for p u r c ha s ing t he NE C M ob ileP r o H a ndheld P C (H / P C ) . T his c ha p t er s hows you how you c a n qu ic kly s et u p a nd b egin t o u s e it eit her on it s own or a s a p ower fu l des kt op c omp a nion.
1-2 Quick Start A BOUT QUICK ST A RT The Mobi le Pro 750C H/PC uses th e Microso ft ® Windows ® C E 2 . 0 op er a t ing s ys t em, whic h ha s a u s er int er fa c e very s imila r t o t he M ic r os of t W indows 9 5 a nd M icr os of t W in- d ow s NT ope r a tin g sy ste m s.
Quick Start 1-3 Ins talling t he Batt eries 1. Sli d e th e m ain battery co ve r lo ck to th e unl oc ke d po si- t ion. 2. Sl id e the mai n batte r y ba y co ve r tow a r d th e a r r ow and r em ove it . O pening the m ain bat ter y bay c ov er 3.
1-4 Quick St art 5. Re place th e m ain ba ttery ba y co v er. Replac ing t he main bat t ery bay c ov er 6. Sl id e the battery co ve r lo ck to the lo cke d po siti o n.
Quick Start 1-5 ! CA UTION Be s ure to read t he secti on “B att ery Pr ecauti ons” f or im por t ant bat ter y handl i ng i nf or m at i on. NOTE You can only oper ate t he Mobi leP ro H/P C when the batt er y c ov er l ock i s in t he l oc k ed posi t i on.
1-6 Quick St art A fte r the Se tup Wi zard co m ple te s, yo u ar e re a dy to c on fi g- ur e the M ob ileP r o t o p a r t ner wit h you r des kt op ( or not e- book) compu t er .
Quick Start 1-7 Ins er t t he “ Des kt op S of t wa r e f or M i c r os of t W i ndows C E ” C D . I f you r s ys t em is conf igu r ed for a u t o- i ns er t not ific a - tio n, th e Se tup prog r am i s auto m a tical ly laun ch ed . Othe r- wis e, manu a lly r u n t he S et u p p r ogr a m in the main dir ect or y.
Getting Familiar with Y our M obilePro 750C 2-1 Getting Familiar w ith Your M obilePro 750C Your NE C M ob ileP r o™ H a ndheld P C (H / P C ) let s you : Edit , c r ea t e, s end, a nd r eceive doc.
2-2 Gett ing Familiar with Y our M obilePro 750C WHA T ’S IN T HE BOX Y our Mobi le P r o sh ips w ith a num be r of acc esso rie s. Whe n you u np a ck t he Mob ileP r o, c heck t ha t you ha ve a ll of t he it ems lis t ed b elow a nd t ha t t hey a r e in good condit ion.
Getting Familiar with Y our M obilePro 750C 2-3 F ront and s ide f eatur es Dis p la y P a nel L a t c h — s ecu r es t he dis p la y pa nel when it is clos ed. Dis p la y P a nel ( wit h b u ilt - in t ou c h s c r een) — p r ovides a clea r view of infor ma t ion s t or ed or inp u t int o t he u nit .
2-4 Gett ing Familiar with Y our M obilePro 750C P ower B u t t on — a llows you t o p ower on a nd of f t he u nit when it is op en. P C C a r d S lot — let s you ins t a ll one T yp e I or T yp e II PC Card . Keyb oa r d — gives you a mea ns of ent er i ng da t a u s ing your finger t ip s .
Getting Familiar with Y our M obilePro 750C 2-5 Bott om view R O M B a y C over — p r ot ec t s t he R O M b a y a nd t he in- stall ed ROM boards. Batte ry Co ve r Loc k — se cures th e c ov e r that prote cts th e m ain batte r y and back- up ba ttery bays.
2-6 Gett ing Familiar with Y our M obilePro 750C Main Batte ry B a y Co ve r — pr ote cts th e m a in battery ba y a nd t he ins t a lled ba t t er y.
Getting Familiar with Y our M obilePro 750C 2-7 O pening the dis play panel ! CA UTION W hen the M obi l ePro H/ PC i s not i n use or when you are carrying i t, keep the di splay panel cl osed. Thi s helps prev ent acci dental dam age t o the touc h screen or keyboar d.
2-8 Gett ing Familiar with Y our M obilePro 750C Us ing t he st y lus ! CA UTION Nev er use a dev i ce other than an approv ed styl us with y our Mobi leP ro H/P C. Hard-poi nted or sharp objec t s can dam age t he touc h screen. 3. Ge ntl y to uch the poi nte d ti p of th e sty lus to se le ct an objec t on t he s cr een.
Getting Familiar with Y our M obilePro 750C 2-9 It t a kes a p p r ox ima t ely 4 . 5 hou r s t o r echa r ge a f u lly de- p l et ed b a t t er y p a c k r ega r d l es s of t he s ys t em p ower s t a t e. NOTE Through nor m al use, t he capaci t y of a bat ter y pa ck w ill gr adually decl ine.
2-10 Gett ing Familiar with Y our M obilePro 750C If y ou use th e Mo bil e Pr o w ith ou t the back -up battery in - st a lled, M ob ileP r o mem or y ma y b e uns t a b le. T he con- t ent s of M ob ileP r o mem or y may b e lost if t he main ba t t er y is r em oved.
Getting Familiar with Y our M obilePro 750C 2-11 O pening the bat ter y bay c ov er 5. Sli d e th e batte ry aw ay fro m the ar r ow on the batte r y a nd r emove t he b a t t er y. 6. Put th e ne w L ith ium -Io n batte r y pack in th e bay . Sli de th e batte r y i n th e d ire ctio n o f th e a r row .
2-12 Gett ing Familiar with Y our M obilePro 750C Replac ing t he bay cov er NOTE The unit only operat es w hen the bat ter y cov er loc k i s in t he l oc k ed posi t i on. Back- Up B attery A lo w batte ry m essag e appe ar s wh e n back -up batte r y po we r is d epl e ted .
Getting Familiar with Y our M obilePro 750C 2-13 NOTE If y ou recei v e m ess ages indi cat i ng that bot h the mai n batt ery and the sub-battery (back-up bat- tery) are v ery l ow, replace the back-up b att ery f i rst. If a dr ained m ai n bat tery i s not repl aced, the back - up batt er y dr ai ns m or e qui ck l y t han norm al .
2-14 Gett ing Familiar with Y our M obilePro 750C 4. T u r n t he u nit over a nd loca t e t he ba t t er y cover lock on th e bo ttom of the Mobi le Pr o. Sl id e the lo ck to th e un - locked pos it ion. Releas ing t he Bat t ery Cov er Loc k 5. Us ing a s mall s c r ewdr i ver , r emove the s c r ew a nd s u b - ba t t er y b a y c over .
Getting Familiar with Y our M obilePro 750C 2-15 NOTE W hen you loosen t he screw, you can rem ov e the sub-batt ery bay c ov er by l oosening t he screw f or f iv e rounds. I t i s not neces sary t o remov e t he s cr ew co mple tely . 6. Us e t he st ylu s t o r em ove t he dr a ined ba t t er y f r om t he bay.
2-16 Gett ing Familiar with Y our M obilePro 750C Batter y Pr ecaution s R ea d t he following b a t t er y ha ndling p r eca u t ions t o ins u r e your s a fet y. ! W A RNI NG Heed these warnings w hen handl i ng batt eri es. Fai l- ure to do so m ay resul t i n per sonal i nj ury.
Getting Familiar with Y our M obilePro 750C 2-17 ! W A RNI NG (cont’ d) Do not use a battery that i s dam aged or de- f orm ed, has any rust on i ts cas i ng, i s discol ored, ov er heat s, or em i ts a f oul odor. To prev ent data l oss, always replac e w eak batt eries as s oon as pos si ble.
2-18 Gett ing Familiar with Y our M obilePro 750C Pr ecautions Follow t hese p r ec a u t i ons when us ing you r M ob ileP r o a nd A C ad apte r. A l w ays pl ug th e A C ad apte r co rd i nt o an e asi ly acc e ssi - bl e o utl e t. I t is im po rtant to be abl e to e asi l y s hu t o ff po we r by un plug gi ng the AC ad a pter i f ne ed ed .
Getting Familiar with Y our M obilePro 750C 2-19 When clea ning t he s ys t em, u s e a s of t , c lea n, dr y clot h. Avoid wipi ng t he disp la y s u r f a ce wit h a b r a s ive ma t er i a l, inclu ding r ou gh f a b r ic . D o not u s e a c lea ning s olu t ion; t his may da mage t he p l a s t i c .
2-20 Gett ing Familiar with Y our M obilePro 750C Routin e Cleaning C l ea n or du s t you r s ys t em a s follows . ! CA UTION Never us e harsh soluti ons, household c leaner s, or spray cleaners that contai n causti c m at eri als on the MobilePro. These cleaners are us ual l y hi gh in al kal i nit y, w hi ch is measured in pH.
Using the MobilePro 3-1 Using the MobilePro Thi s ch apter d e ta il s ho w to use the Mo bil ePro . (Se e th e so ft- w ar e m anual that cam e w ith the uni t for ad di tio nal sof tware oper a t ing ins t r u c t ions .
3-2 Using the MobilePro POWERING ON A ND OFF P ower on t he M ob ileP r o a s follows . 1. S lide t he dis p la y p a nel la t ch t o t he r ight . L i f t t he disp la y pane l up to wards th e r ear of th e un it. ! CA UTION Do not push the display panel bey ond it s pre- designed stop poi nt as you open the panel .
Using the MobilePro 3-3 NOTE The f irs t ti m e yo u ins tall the main b atter y, the Mobi l ePr o aut om ati cal l y powers w hen you open the displ ay panel . The f i rst t i m e y ou power on the M obi l ePro H/ P C, screen contr ast m ay need adj ustm ent .
3-4 Using the MobilePro A djus t ing the c ont rast NOTE You can al so adjust t he c ont rast t hr ough t he Control Panel . See the sof tware user’s guide f or de- ta ils . Backligh t You ca n t oggle t he ba c klight s ett ing b et ween st a nda r d a nd fu ll b y p r ess i ng t he Ba cklight b u t t on.
Using the MobilePro 3-5 T oggle t he b a c klight a s f ollows . 1. Op en t he disp la y pa nel a nd loc a t e t he Ba cklight key on uppe r-r ig ht si de o f the ke ybo a r d. 2. W i t h p ower on, p r ess t he Ba cklight key t o t oggle t he ba cklight b et ween st a nda r d a nd fu ll.
3-6 Using the MobilePro Defa ult A pplication Shortcut Ke ys KEY A PPLICA T ION F1 Inbox F2 Mic rosoft In tern e t Pock et E x plore r F3 Calendar F4 Contacts F5 Tasks F6 Microsof t Pocket W ord F7 Mi.
Using the MobilePro 3-7 S et tings dialog box 3. S c r oll or t a p on t he shor t c u t key you wa nt t o s elect . As - s ign t he a p p lica t ion u s ing t he following b u t t ons : Defa u lt — s elects t he fa ct or y- a s s igned a p p lic a t ion list ed in t he Def a u lt Ap p lic a t ion S hor t c u t K eys t a b le.
3-8 Using the MobilePro Delete — r emoves t he cu r r ent ly a s s igned a p p lica t ion r efer ence so you ca n s elect a not her a p p lic a t ion. ENABLING T H E DISPLAY LINKA G E SWI T CH You c a n conf igu r e your M ob ileP r o H/ P C t o p ower on or off by s imply op ening or c los ing t he dis p la y c over .
Using the MobilePro 3-9 3. Se le ct e ith e r to e nabl e suspe nd m o de wi th batte ry po w er or ex t er na l AC p o wer . VOICE RECORDI NG R ecor ding voic e me mos wit h t he Mob ileP r o is ea s y, even with t he u n i t c l o s ed : 1. Hold you r M ob ileP r o wit h t he m i c r op hone fa c ing you .
3-10 Using the MobilePro NOTE Recordi ng w orks bes t if you pos i ti on t he m ic ro- phone about t hr ee i nches away f r om y our m out h whil e speaking. Mem ory r equi red f or v oi c e m em o stor age v ar i es de- pending on user sett i ngs. Ref er t o “Using t he Voi ce Recorder" f or f ur t her det ai l s.
Using the MobilePro 3-11 Inser t ing a PC car d 3. Ve r ify that the PC card i s fitte d se cure ly in to po siti on . ! CA UTION Make s ure you al ign the PC card correctly f or i ns er- ti on. Inserti ng a PC c ard i ncorrec tl y can dam age t he card and/ or t he Mobi l eP r o.
3-12 Using the MobilePro Removing PC Cards R emove a P C ca r d fr om the M ob ileP r o a s f ollows : 1. S a ve your da t a a nd p ower of f t he M ob ileP r o. 2. Lo cate the PC car d sl ot’ s Eje ct butto n an d pre ss it to re- lea s e t he c a r d f r om t he s l ot .
Using the MobilePro 3-13 NOTE W e recom m end usi ng the AC adapter when using Compact Flash cards. Using the adapt er can help you av oi d potent ial dat a loss caused by the hi gh- energy consum pti on of som e Com pact F lash cards.
3-14 Using the MobilePro ! CA UTION Make sure you al i gn t he Com pact F l ash card c or r ec t l y f or i nserti on. I nserti ng a Com pact F l ash card i ncor- rect l y c an dam age t he card and/ or t he M obi l eP r o. Remov ing Com p act Flash Cards R emove a C ompa c t F la s h ca r d fr om t he Mob ileP r o a s f ol- lows: 1.
Using the MobilePro 3-15 T RANSFERRING DA T A Wit h t he Mob ileP r o H / P C , you c a n s end a nd r eceive dat a t o a nd fr om anot her s i mila r ly equip p ed device us ing t he infr a r ed (I r D A) c ommunica t ion p or t . C omm u nic a t e wit h a not her M o- bileP r o a s f ollows .
3-16 Using the MobilePro 4. S end you r da t a by u s ing t he “ S end T o” s elect ion in t he Windows C E P oc ket E x p lor er F ile me nu . Highlight t he file you wis h t o t r a ns f er a nd c hoos e “ I nfr a - r ed Reci p i ent ” f r om t he S end T o s elect ions .
Using the MobilePro 3-17 a r e us ing t he int er na l modem Us ing AC p ower s a ves b a t t er y lif e for when you a r e on t he go a nd helps p r event da t a los s . ! CA UTION Fol l ow these pr ecauti ons w henev er y ou use the AC adapter and t he Mobi l eP r o.
3-18 Using the MobilePro C onnect t he ca b le a s follows : 1. Loc a t e t he s er ia l p or t c over on t he Mob ileP r o, a nd op en it . 2. Align a nd a t t a c h t he connec t or on t he P C C onnect C a b le to the seri a l po rt on th e Mo bile Pro.
Using the MobilePro 3-19 4. F or a n ex t er na l modem , c onnec t t he ot her end of t he ca b le t o t he null modem a da p t er , t hen connect t he a da pt er t o t he mode m ca b le. T he max imum da t a r a t e will be 1 9 , 200 bps un le ss yo u a lte r the d ef a ult se ttin g fo r the Mo bil ePro seri a l port.
3-20 Using the MobilePro 2. Align a nd a t t a ch t he connect or on t he M ob ileP r o VG A c a - ble to th e VG A po rt on the Mobi le Pro. Connec t ing the V G A cable 3. C onnect t he ot her end of t he VG A c a b le t o t he monitor ca - bl e connec t or .
Using the MobilePro 3-21 Connec t ing the c able t o the m onit or ! CA UTION Make sure you proper l y al i gn the c abl e connec t ors and ports. I ncorr ec t connect i on c an dam age t he Mo- bil ePr o H/ PC and t he m oni t or .
3-22 Using the MobilePro 3. C onnect t he ot her R J - 1 1 c onnect or int o a n a ct ive ( a na log) phone ja ck. RJ -1 1 C onnec tor Connec t ing the t elephone line ! WA RNING Do not connec t the i nt er nal m odem t o a di gi t al pr i v at e branch ex change c onnec t or, or t he di gi t al side of an int egrat ed di gi tal net work.
Using the MobilePro 3-23 1. P r ess S t a r t on t he T a s kb a r a nd s cr oll u p t o P r ogr a ms. Ac- ces s t he C omm u nica t ions s election a nd op en R emote Net - wor king. 2. D ou b le t a p on M a ke a N ew C onnect ion, a nd na me it “ On- boa r d M odem.
3-24 Using the MobilePro 11. S elect a ny ot her f ea t u r es you wa nt t o ena b le, t hen p r es s F i nis h. You c a n now a cc es s you r cor p or a t e em a il r e- motely us ing you r M ob ileP r o.
Using the MobilePro 3-25 3. Re m ov e th e m ain and back- up batteri es. Se e “B attery Re- p l a c ement ” f o r det a i l s . 4. T u r n over t he Mob ileP r o a nd loca t e t he s c r ew tha t s ecu r es t he R O M or R AM b a y c over . 5. Using a s ma ll s c r ewdr iver , r emove the sc r ew a nd t he ba y cover .
3-26 Using the MobilePro When you r eset t he M ob ileP r o, you ma y los e s t or ed da t a a nd un it para me te r setti ng s. R es et t he Mob ileP r o a s f ollows . 1. R emove t he st ylu s f r om its holder a nd op en the dis p la y pane l. 2. P ower on t he Mob ileP r o.
Tr oubleshooting 4-1 Troubleshooting Your M ob ileP r o H / P C is desi gned t o p r ovide many hou r s of s er vice while you a r e a t home or on t he r oa d. F or op t imum p er f or manc e, f r equent ly b a c k u p a nd s ync hr o- nize t he M ob ileP r o da t a wit h you r not ebook or deskt op compu t er .
4-2 Tr oubleshooting Tr oubleshooting (cont'd) PROBLEM RESO LUTIO N Not hi ng appe ar s on t he scree n. ( cont 'd) Try recharging t he m ai n bat tery pack or replacing t he sub-battery. Che ck that t he R O M bay cover is properly se cur e .
Tr oubleshooting 4-3 Tr oubleshooting (cont'd) PROBLEM RESO LUTIO N The PC c ar d cannot be acce ssed. Make sure the card i s inserted corre ct l y and se at ed properly. Conne ct t he unit to AC powe r usi ng the adapter. Som e cards do not operate properly unl ess the A C adapter is conne ct e d.
Specifications 5-1 Specifications T h e f ol l o wi n g s p ec if i c a t i o n s a r e s t a n d a r d ex c ep t wher e not ed. Disp lay 640 x 240, 256 col or, backl ig ht, li qui d c r ystal d ispl .
5-2 Specifications Serial In terface Baud rate — 115.2 Kbps m axim um I/O Port s S er ia l p or t (D ir ect C a b l e connect ion) IrDA port V GA po rt (output) Modem Data — 33.
Specifications 5-3 Recharg e T ime U se the AC ad apter to re charg e the Mobi le Pr o m a in batte r y R echa r ging t i me is a p p r ox ima t ely 4 . 5 hou r s when t he s ys t em is on or of f Accessories AC adapte r — S 1424-21A Li ste d Dire ct Plug -In Po we r Unit In put Vo ltage - 100 to 240V AC; 60Hz, 13W Output V ol t a ge - 9.
5-4 Specifications A va ilable Options Lith ium -Io n Re ch a r ge able Batte r y Pack ( S 1424-25A) Styl us P a ck (S1424-17A ) 32-MB R AM Mo dul e (S1424-18B) Dir ect C onnect ion C a b le (S 1424-1.
M odem Commands A-1 Modem Commands AT Co mmand s C o mma n d Description Defa ul t A/ R e p e a t l a s t c o mma nd A Ans wer a c a l l B0 Se le ct ITU- T mo dul a tio n at 300 and 1200bps B1 Se le c.
M odem Commands A-2 A T Commands (cont’d) C o mma n d Description Defa ul t O0 Go int o online da t a mode withou t r et r a in se que nce O1 Go online da t a mode with r et r a in s equ ence P Se t.
M odem Commands A-3 A T Commands (cont’d) C o mma n d Description Defa ul t &D1 G o t o c ommand mode on ON - t o- O F F DTR tra nsi tio n &D2 H a ng-u p a nd go t o c ommand mode on ON - to -OFF DTR transi tio n .
M odem Commands A-4 A T Commands (cont’d) C o mma n d Description Defa ul t N1 S elect nor ma l mode connect ion N2 S elect L AP M a nd M N P c onnect ion N3 S elect L AP M , M N P a nd nor mal mode.
M odem Commands A-5 S-Register s Register Func t io n Ran g e Un its Defa ul t S0 Rin gs to A uto an sw er 0-255 0 S1 Ri ng Co unte r 0-255 S2 Es cape Ch aract e r 0-255 AS C II 43 S3 Carriag e Re tur.
M odem Commands A-6 Resu lt Codes Nu m eric Verbose 0 OK 1 CONNECT 2 RIN G 3 NO CARRI ER 4 ERROR 5 CONNECT 1200 6 NO DIAL TONE 7 BUSY 8 NO AN S WER 9 CONNECT 0600 10 CONNECT 2400 11 CONNECT 4800 12 CO.
M odem Commands A-7 Resu lt Codes (cont’d) 56 CARRIER 24000 57 CARRIER 26400 58 CARRIER 28800 59 CONNECT 16800 61 CONNECT 21600 62 CONNECT 24000 63 CONNECT 26400 64 CONNECT 28800 66 COMPRE SSION: CLA SS5 67 COMPRES S ION: V .
Index 1 A AC adapte r , 2-4, 3-17 pow er port, 2-4 App lic a t ion s hor t cu t keys , 3 - 5 As s igning s hor t cu t keys , 3 - 6 Audio a p p lica t ion usin g, 3-10 Au dio mem os , 3 -9 B Ba cklight.
Index 2 PC card e je ct button , 2-5 PC card slo t, 2- 4 R AM b a y cover , 2 -5 Re cord button , 2-4 Re set butto n , 2-5 R O M b a y c over , 2 -5 se r ial po rt , 2-5 spe ake r , 2-6 sty lus, 2-3 s.
Index 3 upgradi ng , 3-24 RAS se tup, 3-22 Record switch, 2-4 R emoving the s t ylu s , 2 -7 Re placi ng ba tteri es, 2-9 Re set butto n , 2-5 Re se ttin g th e Mobi le Pro, 3-25 ROM ba y cover , 2 - .
BAT T E RY RE PLACE ME NT ! WA RNING There i s a danger of ex pl osion i f the batt ery i s i ncorrec tl y re- plac ed. Replace only w i t h the sam e or equiv al ent type r ec- om m ended by the m anuf act urer. Di scard used bat ter ies accordi ng t o t he m anuf act urer’s i nstr uc t ions.
(Fo r United States Use Only) FEDERAL COMM UNICATIONS COM M ISSION RADIO FREQUENCY INTERF ERENCE STATEM ENT ! WARNING Chang es or mo difications to t his uni t not expressl y appr ov ed by the party respo nsibl e for c om pl ia nce c ould vo i d t he user ’s authority to o perate the equi pment.
th e RENs sh o u ld not exceed five (5). To be ce r tain of th e n umb er of dev ices th at may b e co n nec ted to the lin e, as de termined b y th e total R ENs c ontac t th e tele phone co mpany to dete r min e the maximu m REN fo r th e c allin g ar ea.
IC CS-03 “ NOTICE : Th e Indus tr y Canada labe l ide n tifie s ce rtifie d eq uipment. This ce rtific ation me an s that the e quipme n t mee ts te lec ommunic ations netw ork prote ctiv e, ope rational and saf ety re quireme n ts as presc ribe d in th e ap propriate Terminal Equipme nt Technical R eq uirements d oc ument.
FCC PART 15 CLASS B NOTIC E This eq uipment has b ee n teste d and f ound to co mply w ith the limits f or a Class B digital de vic e, pursuant to Part 15 o f the F CC R ules . Th e se limits are de signed to prov ide reas onab le p r o tec tion against har mf ul in terf ace in a resid ential installatio n .
FCC WARNING Changes o r mo dif icatio n s no t exp r e ssly appro ve d b y the party r e spo n sib le fo r co mpliance co uld v o id the us er’s au th ority to o perate the equip ment.
Declaration of Con f ormity This de vic e co mplies w ith Part 15 o f th e FC C Ru les . Ope r ation is s ub je ct to the f ollo w in g two co n ditions: (1) this de vic e may n ot c ause harmful inte.
デバイスNEC 750Cの購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
NEC 750Cをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはNEC 750Cの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。NEC 750Cの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。NEC 750Cで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
NEC 750Cを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はNEC 750Cの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、NEC 750Cに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちNEC 750Cデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
