Inter-m LM-6228 User manual

Operation Manual
Line Monitor
LM-6228
* Rack mount products in th W st rn H misph r (North Am rica, South Am rica,
and th Caribb an) do not hav handl s install d du to custom r pr f r nc .

LINE MONITOR
Welcome
Welcome
A personal welcome to you from the management and employees of Inter-M
All of th co-work rs h r at Int r-M ar d dicat d to providing xc ll nt products with inh r ntly good valu ,
and w ar d light d you hav purchas d on of our products.
W sinc r ly trust this product will provid y ars of satisfactory s rvic , but if anything is not to your compl t
satisfaction, w will nd avor to mak things right.
W lcom to Int r-M, and thank you for b coming part of our worldwid xt nd d family!
RISK OF ELEC RIC SHOCK
DO NO OPEN
CAutION
CAU ION: O REDUCE HE RISK OF ELEC RIC SHOCK.
DO NO REMOVE COVER (OR BACK).
NO USER-SERVICEABLE PAR S INSIDE.
REFER SERVICING O QUALIFIED SERVICE PERSONNEL.
WARNING
o prevent fire or shock hazard, do not
expose the unit to rain or moisture.
*WARNING FOR YOUR PRO EC ION PLEASE READ HE FOLLOWING-WA ER AND MOIS URE: Unit should not be used near water(e.g.
near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, or near a swimming pool, etc). Care should be taken so than objects do
not fall and liquids are not spilled into the enclosure through openings.
*Do not install this equipment in a confined space such as a book case or similar unit.
* his apparatus shall not be exposed to dripping or splashing and no objects filled with liquids, such vases, shall be placed on the apparatus.
* his apparatus shall be connected to a mains socket outlet with a protective earthing connection.
*
It has heed to be easy to disconnect the device. o disconnect the device from power, separate AC input cable from inlet or unplug the AC Cord.
* he socket-outlet shall be installed near the equipment and shall be easily accessible.
CAutION
* hese servicing instructions are for use by qualified service personnel only. o reduce the risk of electric shock, do not perform any servicing
other than that contained in the operating instructions unless you are qualified to do so.
NOtE
*his equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. hese limits are
designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. his equipment
generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will
be required to correct the interference at his own expense.
his symbol is intended to alert the user to the
presence of uninsulated “dangerous voltage” within
the product’s enclosure that may be of sufficient
magnitude to constitute a risk of electric shock to
persons.
his symbol is intended to alert the user to the
presence of important operation and maintenance
(servicing) instructions in the literature accompanying
the appliance.
Caution: o prevent electric shock do not use this (polarized) plug with
an extension cord, receptacle or other outlet unless the blades
can be fully inserted to prevent blade exposure.
Attentions: Pour prévenir les chocs électriques ne pas utiliser cette
fiche polarisée avec un prolongateur, une prise de courant
on une autre sortie de courant, sauf si les lames peuvent
étre insérées à fond sans en laisser aucune partie à
découvert.

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LM-6228
Contents
Contents
Unpacking .......................................................................................................................................2
Installation
Environm nt....................................................................................................................................2
Important Saf ty Instructions.............................................................................................................2
Features............................................................................................................................................3
Operation ........................................................................................................................................3
Front Panel ......................................................................................................................................4
Rear Panel .......................................................................................................................................5
Applications ....................................................................................................................................6
Block Diagram ................................................................................................................................7
Specifications ..................................................................................................................................8
Service
Proc dur s......................................................................................................................................9
Sch matic.......................................................................................................................................9
Parts List .........................................................................................................................................9
Warranty .........................................................................................................................................9

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2LM-6228
Unpacking
Unpacking
Although your LM-6228 is n ith r complicat d nor difficult to op rat , w r comm nd you tak a f w minut s
to r ad this bri f manual and familiariz yours lf with th important information r garding product f atur s,
s tup and op ration.
As with most l ctronic d vic s, w strongly r comm nd you r tain th original packaging. In th unlik ly v nt
th product must b r turn d for s rvicing, th original packaging (or r asonabl quival nt) is r quir d.
Installation
Installation
Environment
N v r plac this product in an nvironm nt which could alt r its p rformanc or r duc its s rvic lif . Such
nvironm nts usually includ high l v ls of h at, dust, moistur , and vibration.
IMPORTANT SAFETY INSTRUCTIONS
1. R ad th s instructions.
2. K p th s instructions.
3. H d all warnings.
4. Follow all instructions.
5. Do not us this apparatus n ar wat r.
6. Cl an only with dry cloth.
7. Do not block any v ntilation op nings. Install in accordanc with th manufactur r’s instructions.
8. Do not install n ar any h at sourc s such as radiators, h at r gist rs, stov s, or oth r apparatus (including
amplifi rs) that produc h at.
9. Do not d f at th saf ty purpos of th polariz d or grounding-typ plug. A polariz d plug has two blad s
with on wid r than th oth r. A grounding typ plug has two blad s and a third grounding prong. Th wid
blad or th third prong ar provid d for your saf ty. If th provid d plug do s not fit into your outl t, consult
an l ctrician for r plac m nt of th obsol t outl t.
10. Prot ct th pow r cord from b ing walk d on or pinch d particularly at plugs, conv ni nc r c ptacl s, and
th point wh r th y xit from th apparatus.
11. Only us attachm nts/acc ssori s sp cifi d by th manufactur r.
12. Us only with th cart, stand, tripod, brack t, or tabl sp cifi d by th manufactur r, or sold with th apparatus.
Wh n a cart is us d, us caution wh n moving th cart/apparatus combination to avoid injury from tip-ov r.
13. Unplug this apparatus during lightning storms or wh n unus d for long p riods of tim .
14. R f r all s rvicing to qualifi d s rvic p rsonn l. S rvicing is r quir d wh n th
apparatus has b n damag d in any way, such as pow r-supply cord or plug is
damag d, liquid has b n spill d or obj cts hav fall n into th apparatus, th
apparatus has b n xpos d to rain or moistur , do s not op rat normally, or has
b n dropp d.
S3125A
S3125A

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LM-6228
Features
Features
- LED LEVEL METER
5 points dot LED l v l m t r.
- OUTPUT SIGNAL MONITORING
Built in monitor sp ak r.
Operation
Operation
Pl as choos th chann l n d d to b ch ck d and adjust th sound l v l and tun , th n start monitoring.

LINE MONITOR
LM-6228
Front Panel
Front Panel
1. MONITOR SPEAKER
Monitoring th signal chos n is availabl by th chann l s l ction switch. It can b adjust d with th chann l
volum .
2. LEVEL METER
5 dot LED l v l m t r. Indicat s a signal l v l s l ct d by s l ction SW.
3. CHANNEL VOLUME
Sp ak r volum can b adjust d individually by this knob.
. CHANNEL SELECTOR SWITCHES (GROUP 1: 1~ , GROUP 2: 1~ )
Eight switch s s l ct any chann l’s output to b monitor d by th front pan l sp ak r.

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LM-6228
Rear Panel
Rear Panel
1. LINE INPUT
This is for th conn ction for th quipm nt int nd d for monitoring.
2. LINE OUTPUT
This Jack is for supplying th signal from th pow r amp with a lin output by by-passing th lin input signal.
Th signal to chann l 1 go s dir ctly to th lin output.
3. DC INPUT TERMINALS
Conn ct a +24V DC batt ry sourc to th s t rminals. Mak c rtain th r d t rminal is conn ct d to th
batt ry’s positiv (+) sid , and th black t rminal to th batt ry’s n gativ (-) sid .
OC03OC03
჊ૅჄ࿜924V
MODEL NO.LM-6228
LINEMONITOR
DC
SN
-+
DCINPUT
24V
CH4
OUTPUT
GROUP 2
INPUT
CH3CH2CH1CH4
OUTPUT
GROUP 1
INPUT
CH3CH2CH1
1
23

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Applications
Applications
PA-6336 x 4

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LM-6228
Block Diagram
Block Diagram

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LM-6228
Fr qu ncy R spons 20Hz~20kHz(±1dB)
S/N B tt r than 100dB
Input S nsitivity 1V, 50kΩ
Monitor Sp ak r Output Pow r 4Ω/0.5W
W ight (SET) 7.5kg/16.5lb
Dim nsions (SET) 482(W)x88(H)x280(D)mm/9(W)x3.5(H)x11(D)in
* Sp cifications and d sign ar subj ct to chang without notic .
Specifications
Specifications
※ DIMENSIONS
440
482
88 280

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LM-6228
Service
Service
Procedures
Tak st ps to insur th probl m is not r lat d to op rator rror or oth r products within th syst m. Information
provid d in th troubl shooting portion of this manual may h lp with this proc ss. Onc it is c rtain that th
probl m is r lat d to th product contact your warranty provid r as d scrib d in th warranty s ction of this
manual.
Schematic
A Sch matic is availabl by contacting your warranty provid r.
Parts List
A Parts List is availabl by contacting your warranty provid r.
Warranty
Warranty
Warranty t rms and conditions vary by country and may not b th sam for all products. T rms and conditions
of warranty for a giv n product may b d t rmin d first by locating th appropriat country which th product
was purchas d in, th n by locating th product typ .
To obtain sp cific warranty information and availabl s rvic locations contact Int r-M dir ctly or th
authoriz d Int r-M Distributor for your sp cific country or r gion.

MADE IN KOREA
June 2012
Int r-M, Ltd. (Kor a) b gan op rations in 1983.
Sinc th n, Int r-M has grown to b com on of th larg st manufactur rs
of prof ssional audio and comm rcial sound l ctronics quipm nt in th world.
Int r-M has gain d worldwid r cognition for its own brand d products,
as w ll as privat lab l manufacturing of l ctronics sold und r oth r nam s (OEM).
Th company is no long r just a Kor an company, but rath r a global company
that is truly int rnational in scop , with factori s and offic s in Kor a and China,
and sal s and mark ting op rations locat d in Japan, Europ , and th U.S.A.
With mor than 850 mploy s around th glob ,
Int r-M is w ll-pois d for furth r growth and xpansion.
Inter-M Americas, INC.
13875 ARTESIA BLVD. CERRITOS, CA 90703 USA
TEL : [phone], FAX : [phone]
Hom Pag : http://www.int r-m.n t, E-mail : info@int r-m.n t
Inter-M Corporation
SEOUL OFFICE:653-5 BANGHAK-DONG, DOBONG-KU, SEOUL, KOREA
TEL : [phone]~8, FAX : [phone]
Hom Pag : http://www.int r-m.com, E-mail : ov rs as@int r-m.com