Inter-m PM-6228 User manual

Operation Manual
Monitor Panel
PM-6228
* Rack mount products in the Western Hemisphere(North America, South America,
and the Caribbean) do not have handles installed due to customer preference.

MONITOR PANEL
Welcome
Welcome
A personal welcome to you from t e management and employees of Inter-M
All of the co-workers here at Inter-M are dedicated to providing excellent products with inherently good value,
and we are delighted you have purchased one of our products.
We sincerely trust this product will provide years of satisfactory service, but if anything is not to your complete
satisfaction, we will endeavor to make things right.
Welcome to Inter-M, and thank you for becoming part of our worldwide extended family!
ISK OF ELECT IC SHOCK
DO NOT OPEN
CAutION
CAUTION: TO EDUCE THE ISK OF ELECT IC SHOCK.
DO NOT EMOVE COVE (O BACK).
NO USE -SE VICEABLE PA TS INSIDE.
EFE SE VICING TO QUALIFIED SE VICE PE SONNEL.
WARNING
To prevent fire or shock hazard, do not
expose the unit to rain or moisture.
*WA NING FO YOU P OTECTION PLEASE EAD THE FOLLOWING-WATE AND MOISTU E: 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.
*This apparatus shall not be exposed to dripping or splashing and no objects filled with liquids, such vases, shall be placed on the apparatus.
*This apparatus shall be connected to a mains socket outlet with a protective earthing connection.
*
It has heed to be easy to disconnect the device. To disconnect the device from power, separate AC input cable from inlet or unplug the AC Cord.
* The socket-outlet shall be installed near the equipment and shall be easily accessible.
CAutION
*These servicing instructions are for use by qualified service personnel only. To 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
*This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC ules. These limits are
designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This 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.
This 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.
This symbol is intended to alert the user to the
presence of important operation and maintenance
(servicing) instructions in the literature accompanying
the appliance.
Caution: To 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.

MONITOR PANEL
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PM-6228
Contents
Contents
Unpacking .......................................................................................................................................2
Installation
Environment....................................................................................................................................2
Important Safety Instructions.............................................................................................................2
Features............................................................................................................................................3
Operation ........................................................................................................................................3
Front Panel ......................................................................................................................................4
Rear Panel .......................................................................................................................................5
Applications ....................................................................................................................................6
Block Diagram ................................................................................................................................7
Specifications ..................................................................................................................................8
Service
Procedures......................................................................................................................................9
Schematic.......................................................................................................................................9
Parts List .........................................................................................................................................9
Warranty .........................................................................................................................................9

MONITOR PANEL
Unpacking
2PM-6228
Unpacking
Although your PM-6228 is neither complicated nor difficult to operate, we recommend you take a few minutes
to read this brief manual and familiarize yourself with the important information regarding product features,
setup and operation.
As with most electronic devices, we strongly recommend you retain the original packaging. In the unlikely event
the product must be returned for servicing, the original packaging (or resonable equivalent) is required.
Installation
Installation
Environment
Never place this product in an environment which could alter its performance or reduce its service life. Such
environments usually include high levels of heat, dust, moisture, and vibration.
IMPORTANT SAFETY INSTRUCTIONS
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including
amplifiers) that produce heat.
9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades
with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide
blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult
an electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and
the point where they exit from the apparatus.
11. Only use attachments/accessories specified by the manufacturer.
12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus.
When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
13. Unplug this apparatus during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is required when the
apparatus has been damaged in any way, such as power-supply cord or plug is
damaged, liquid has been spilled or objects have fallen into the apparatus, the
apparatus has been exposed to rain or moisture, does not operate normally, or has
been dropped.
S3125A
S3125A

MONITOR PANEL
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PM-6228
Features
Operation
Features
- OUTPUT POWER MONITORING
With the selection switches on this unit, the output level of each 8 units of power amp is checked as well as
monitoring of them are available.
- LED LEVEL METER
The output levels of power amplifiers on operating are displayed on each of 8 LED level meter.
- BUILT-IN MONITOR SPEAKER
High sufficient speaker provides the clear and rich sound with users to check the status of output of each
amplifier. The level of monitor speaker is adjustable by the designated switch.
Operation
When using the channel selection switch, please select the channel needed to be checked and then start to
monitor with appropriate level.

MONITOR PANEL
4PM-6228
Front Panel
Front Panel
1. LEVEL METER
Eight-segment LED meters indicate the output level of each channel.
2. VOLUME SWITCH FOR SPEAKER
Function of monitor speaker volume (Off, -24dB, -18dB, -12dB, -6dB, 0dB).
3. STATUS INDICATOR
LEDS in selected switches light up to indicate status.
4. CHANNEL SELECTOR SWITCHES 1-8
Eight switches select any channel’s output to be monitored by the front panel speaker.
5. MONITOR SPEAKER
High-powered, full-fidelity speaker for convenient monitoring of selected amplifier channel.

MONITOR PANEL
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PM-6228
Rear Panel
Rear Panel
1. DC INPUT TERMINALS
Connect a +24V DC battery source to these terminals. Make certain the red terminal is connected to the
battery’s positive (+) side, and the black terminal to the battery’s negative (-) side.
2. AUDIO INPUT TERMINALS (HOT)
Connect the positive (+) output terminals of power amplifiers to these inputs for monitoring.
3. AUDIO INPUT TERMINALS (COM)
Connect the negative (-) output terminals of power amplifiers to these inputs for monitoring.

MONITOR PANEL
6PM-6228
Applications
Applications
LINK
BALANCED
INPUT
1V / 10KΩ
INPUT(ADJ)
12dB0dB
HPF
ONOFF
DCFUSE
F10AL/ 250V
GROUND
LIFT
FRAMEFLOA T
DCINPUT
24V
OUTPUT
COM100V(83Ω)
A
B
70V(41Ω)
22V(4Ω)
LINK
BALANCED
INPUT
1V/10KΩ
INPUT(ADJ)
12dB0dB
HPF
ONOFF
DCFUSE
F20AL/250V
GROUND
LIFT
FRAMEFLOAT
DCINPUT
24V
OUTPUT
COM100V(42Ω)
A
B
70V(21Ω)
31V(4Ω)
www.inter-m.com
DCINPUT
24V
SN
DCINPUT
24V
(COM)
(HOT)
CH8CH7CH6CH5CH4CH3CH2CH1
INPUT(100V)
PM-6228
PD-6359
AC INPUT
DC24V
AMP1
AMP2

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PM-6228
Block Diagram
Block Diagram

MONITOR PANEL
8PM-6228
PM-6228
Outside Inputs 8-100V or 70V inputs
LED Monitor Outputs 8 simultaneous outputs
Operation Temperature -10 C ~ +40 C/14 F~104 F
Power Source 24V DC
Weight (SET) 3.5kg/7.7lb
Dimensions (SET) 482(W)x88(H)x280(D)mm/19(W)x3.5(H)x11(D)in
* Specifications and design are subject to change without notice.
Specifications
Specifications
※ DIMENSIONS
440
482
28088

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PM-6228
Service
Service
Procedures
Take steps to insure the problem is not related to operator error or other products within the system. Information
provided in the troubleshooting portion of this manual may help with this process. Once it is certain that the
problem is related to the product contact your warranty provider as described in the warranty section of this
manual.
Sc ematic
A Schematic is available by contacting your warranty provider.
Parts List
A Parts List is available by contacting your warranty provider.
Warranty
Warranty
Warranty terms and conditions vary by country and may not be the same for all products. Terms and conditions
of warranty for a given product may be determined first by locating the appropriate country which the product
was purchased in, then by locating the product type.
To obtain specific warranty information and available service locations contact Inter-M directly or the
authorized Inter-M Distributor for your specific country or region.

MADE IN KOREA
June 2012 127851
Inter-M, Ltd. (Korea) began operations in 1983.
Since then, Inter-M has grown to become one of the largest manufacturers
of professional audio and commercial sound electronics equipment in the world.
Inter-M has gained worldwide recognition for its own branded products,
as well as private label manufacturing of electronics sold under other names (OEM).
The company is no longer just a Korean company, but rather a global company
that is truly international in scope, with factories and offices in Korea and China,
and sales and marketing operations located in Japan, Europe, and the U.S.A.
With more than 850 employees around the globe,
Inter-M is well-poised for further growth and expansion.
Inter-M Americas, Inc.
13875 Artesia Blvd. Cerritos, CA 90703 USA
TEL : [phone], FAX : [phone]
Home Page : http://www.inter-m.net, E-mail : [email protected]
Inter-M Corporation
Seoul OFFICE:653-5 BANGHAK-DONG, DOBONG-KU, SEOUL, KOREA
TEL : [phone]~8, FAX : [phone]
Home Page : http://www.inter-m.com, E-mail : [email protected]