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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Sony Ericsson GM29, 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 Sony Ericsson GM29 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 Sony Ericsson GM29. 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 Sony Ericsson GM29 should contain:
- informations concerning technical data of Sony Ericsson GM29
- name of the manufacturer and a year of construction of the Sony Ericsson GM29 item
- rules of operation, control and maintenance of the Sony Ericsson GM29 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 Sony Ericsson GM29 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 Sony Ericsson GM29, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Sony Ericsson 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 Sony Ericsson GM29.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Sony Ericsson GM29 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
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Page 1
GM29 U ser Guide Draft PA 2 5. 7.02[...]
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Page 2
The pro duct descr ib ed in thi s doc umen t confor ms t o the Radi o and Telec ommunica tion Termi nal Equipment (R&TTE) di rective 99/5 /EC with requi r ements c over ing EM C direct iv e 89/33 6/E EC and Low Vol tage di re ctiv e 73/23 /EE C. The prod uct f ulfi l s the req ui rement s acc ordin g to 3GPP TS 51 .010- 1, EN 301 489- 7 and EN6[...]
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Page 3
3 I n t r o d u c t i o n ..... ... ... ... . 4 D e s c r i p t i o n ..... ... .... ....... .... . 4 H i g h l i g h t s ..... ... ........ ... .... . 4 I n s t a l l a t i o n .. ....... ... ... . 5 Sa fety an d Ins ta ll at io n I n f o r m a t i o n ....... ........ ... .... . 5 S e c u r i n gt h eM o d e m ........ ... ..... 5 E l e c t r i c[...]
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Page 4
4 Introduction In trod uc ti on Descri ption The dual band EG SM 900/180 0 MHz GM29, is a GSM/GPRS s er ial modem. The mode m is a powe rful a nd fl exibl e devi ce that can be use d in a wi de r an ge o f te le met ry a n d tele m atic s appli c ati ons that rely o n the re m ote excha nge of data, voi ce, SM S or fax es vi a the GS M cell ular ne[...]
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Page 5
Installation 5 Installatio n Safety an d Installation Infor matio n [Ne e ds t o b e ch eck e d an d r e- w ri tten ] • T he T er minal sho uld be in stal led and set up on ly by q ual ifie d perso nnel. • Con nect a fast 1 .25A fuse to t he incomi ng line f or the p ositive s upply vo ltag e to prot ect t he T ermi nal. • I f a power supply [...]
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Page 6
6 Elec trical Co nnectio ns El ect ric al Co nnec t ions All e lect rica l connec tion s to the G M29 ar e prote c ted i n c ompl ianc e wit h the sta ndard a ir (4 kV) an d c ontac t ( 8 kV) disc har ge ESD test s, of EN 301 489- 1. Th e m o de m us es t he f o ll ow i ng in du s tr y stand ard conn ector s: • R J1 1 6-way (p ower c onn ector ) [...]
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Page 7
Electrical Connections 7 Aud io C onne ctor A 4-wa y RJ9 co nnect or, as shown be low, all ows a telepho ne hands et to be pl ugg ed into the m odem , givi ng acces s t o the mi crophone and earpi ece signa ls. The conn ector may a lso be used to dri ve ot h er analo gue audi o sub- syst ems or device s. T h eG M 2 9i sc o n f i g u r e dt ow o r k[...]
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Page 8
8 Elec trical Co nnectio ns RS23 2 Serial Po rt The mod em supp orts a s tanda rd RS232 seri al in terf ace (EI A/TIA 5 74) v ia its 9 p in Sub-D con necto r, shown b elow. Link th e GM29 to a mic rocont roller or comp uter in t he host app l ica t ion, v ia the RS232 seri al port . AT co mmands a re u sed by the ho st -a ppl ic at io n so f twa re[...]
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Page 9
Electrical Connections 9 SIM Car d Read er T h eG M 2 9i sf i t t e dw i t haS I Mc a r dr e a d e ri n whi ch 3 V an d 5 V SIM car ds will ope rate . The type o f card fit ted is au toma ti call y detec ted b y the m odem. To oper ate the modem a SIM card must be fit ted as f o llo ws : 1. Di sconne ct power to th e GM 29; 2. Remo ve the cov er pa[...]
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Page 10
10 Oper ation O perat ion Bef ore t he GM29 can be oper ated the follo win g condi tions must a pply: • S IM car d inse rted (w ith the mo dem unpow ered) ; • ant enna co nnecte d; • R S232 port con necte d t o the ap pl ica t ion compu ter; • p o wer a p pl ie d. Oper atio n is n ot de penden t on a hands et being fit te d. T h e type o f [...]
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Page 11
Accessories 11 Acc ess or ies A ra nge of typ e approv ed and rec ommended acce ssori es for the GM29 are av aila ble th rough Sony Eri csson's di stribu t ion ch annels. AT C o m m a n d s The GM29 i s cont rolled and p r ogra m med by mea ns of AT c ommands . For a comp lete lis t an d detai led des crip tion of each c ommand plea se refer t[...]
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Page 12
12 Service and Support Chi neham Bu siness Par k Basing stoke RG24 8YB E-ma il: m odule s.suppor t@sonye ricsson. com or modul es.i nfo@ sonyeric sson.com In form atio n abou t Son y Erics son and its produc ts is avai lable on th e follow ing web si t e: http://www.sonyericsson.co m /M2M[...]
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Page 13
Service and Support 13[...]
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Page 14
14 Tec hnical Data T echn ica l Dat a Data Features Sh ort Mess age Ser vice Fea ture s V oice Featu res Fax F eatu re s Dat a Storage CSD U p to 9. 6 kbps , t ran spa re nt an d no n-tr a n spar en t HSCSD (2+1) Up to 19.2 kb ps GPRS Class B (4 +1) - P channe ls - Cod in g sc he m es CS1 to C S4 85 .6 kb ps ( su b ject to ne tw o rk su pp ort an d[...]
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Page 15
Technica l D ata 15 Po wer S up pl y Average Po wer Cons umpt ion NOTE! The pow er cons umption dur ing trans m is sion is me asured at max imum tra ns mit te d p owe r. Ra dio S pecif i c at i ons Su pp ly v ol tag e r an ge 5- 3 2 Vd . c .a t1 . 5 A max Idle M od e Transmi t/Op era tio n GSM 900 Vo i c e / C S D <1 5 m A < 250 mA (< 2 A [...]
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Page 16
16 Tec hnical Data Audio Specifi cations SIM Card Reade r Electri ca l Co nnecto rs an d LED Mech anic al Specifi cation Pa ra me te r L im it Out put le vel (dif fer entia l) ≥ 4.0 V pp Output l evel (dy namic load = 32 Ω ) ≥ 2.8 V pp Di st ort i on a t 1 kH z a nd m axim u m ou tpu t lev e l ≤ 5% Offset , BEA RP t o B EARN ± 3 0 m V Ear-[...]
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Page 17
Technica l D ata 17 Envir onmen t a l sp ecificati ons Certificatio n Opera ting tempera ture range –25 °C to +55 °C Storag e t em pe ra tur e ra ng e –40 °C t o + 85 °C Re la tiv e hu mi di ty 5 - 95 % , n o n- con de ns in g Station ary v ib r at io n, sinu soidal D ispl acement : 7 .5 mm A cc el era ti on am p li tud e: 20 m/ s² an d 40[...]