2
Introduction
RM-3 is a rack mount powered monitor that monitors digital and analog audio signals.
 WARNINGS and PRECAUTIONS
CAUTION: The symbol To prevent electric shock hazard, do not connect to mains
power supply while grille is removed.
WARNING: An apparatus with CLASS I construction shall be connected to a MAINS
socket outlet with a protective earthing connection.
CAUTION: TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE
SLOT, FULLY INSERT.
WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to
rain or moisture.
CAUTION: Use of any controls or adjustments or performance of procedures other
than those herein specified may result in hazardous radiation exposure.
WARNING: Changes or modifications to this unit not expressly approved by the party
responsible for compliance could void the user’s authority to operate the equipment.
WARNING: Do not place the unit on top of any soft, porous, or sensitive surfaces to
avoid damaging the surface. Use a protective barrier between the unit and surface to
protect the surface.
WARNING: Use of this unit near fluorescent lighting may cause interference regarding
use of the remote. If the unit is displaying erratic behavior move away from any
fluorescent lighting, as it may be the cause.
CAUTION: Danger of explosion if battery is incorrectly replaced. Replace only with the
same or equivalent type.
WARNING: Do not install this equipment in a confined space such as a book case or
similar unit.
WARNING: Mains plug is used as disconnect device and it should remain readily
operable during intended use. In order to disconnect the apparatus from the mains
completely, the mains plug should be disconnected from the mains socket outlet
completely.
Do not mix old and new batteries. Do not mix alkaline, standard (carbonzinc), or
rechargeable (ni-cad, ni-mh, etc) batteries.
CAUTION
WARNING: TO REDUCE THE RISK OF ELECTRIC
SHOCK, DO NOT REMOVE COVER (OR BACK).
NO USERSERVICEABLE PARTS INSIDE. REFER
SERVICING TO QUALIFIED SERVICE PERSONNEL.
The lightning flash with arrowhead symbol, within an equilateral triangle,
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.
The exclamation point within an equilateral triangle is intended to alert the
user to the presence of important operating and maintenance (servicing)
instructions in the literature accompanying the appliance.
 SAFETY INSTRUCTIONS
1. Read Instructions - All the safety and operating instructions should be read before
the appliance is operated.
2. Retain Instructions - The safety and operating instructions should be retained for
future reference.
3. Heed Warnings - All warnings on the appliance and in the operating instructions
should be adhered to.
4. Follow Instructions - All operating and use instructions should be followed.
5. Water and Moisture - The appliance should not be used near water - for example,
near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, or near a
swimming pool, and the like.
6. Carts and Stands - The appliance should be used only with a cart or
stand that is recommended by the manufacturer.
The appliance and cart combination should be moved with care.
Quick stops, excessive force, and uneven surfaces may cause the
appliance and cart combination to overturn.
7. Wall or Ceiling Mounting - The appliance should be mounted to a wall or ceiling only
as recommended by the manufacturer.
8. Ventilation - The appliance should be situated so that its location or position does
not obstruct proper ventilation. For example, the appliance should not be situated
on a bed, sofa, rug, or similar surface that may block the ventilation openings; or,
placed in a built-in installation, such as a bookcase or cabinet that may impede the
flow of air through the ventilation openings.
9. Heat - The appliance should be situated away from heat sources such as radiators,
heat registers, stoves, or other appliances (including amplifiers) that produce heat.
10. Power Sources - The appliance should be connected to a power supply only of the
type described in the operating instructions or as marked on the appliance.
11. Grounding or Polarization - The precautions that should be taken so that the
grounding or polarization means of the appliance is not compromised.
12. Power Cord Protection - Power supply cords should be routed so that they are not
likely to be walked on or pinched by items placed upon or against them, paying
particular attention to cords at plugs, convenience receptacles, and the point where
they exit from the appliance.
13. Cleaning - The appliance should be cleaned only as recommended by the
manufacturer.
14. Nonuse Periods - The power cord of the appliance should be unplugged from the
outlet when left unused for a long period of time.
15. Object and Liquid Entry - Care should be taken so that objects do not fall and liquids
are not spilled into the enclosure through openings.
16. Damage Requiring Service - The appliance should be serviced by qualified service
personnel when:
A. The power supply cord or the plug has been damaged; or
B. Objects have fallen, or liquid has been spilled into the appliance; or
C. The appliance has been exposed to rain; or
D. The appliance does not appear to operate normally or exhibits a marked change
in performance; or
E. The appliance has been dropped, or the enclosure damaged.
17. Servicing - The user should not attempt to service the appliance beyond that
described in the operating instructions.
All other servicing should be referred to qualified service personnel.
18. The appliance should be situated away from drops of water or spraying water.
19. Objects containing liquid such as vases must not be put on the appliance.
20. The appliance is not completely isolated from the power supply even if the power
switch is in the off position.
21. Appliance shall not be exposed to dripping or splashing and no objects filled with
liquids, such as vases, shall be placed on the appliance.
22. Only use attachments/accessories specified by the manufacturer.
23. Appliances with a protective earth terminal should be connected to a mains outlet
with a protective earth connection.
24. The appliance should be placed in a position where an AC plug / inlet can be easily
pulled out by hand.
25. The main plug is used as the disconnection device. It shall remain readily operable
and should not be obstructed during intended use. To completely disconnect the
appliance from supply mains, the mains plug of the appliance shall be disconnected
from the mains socket outlet completely.
 Features of the RM-3
The unit supports balanced/unbalanced analog input and AES/EBU digital input.
It has a power saving design with a digital amplifier and switched-mode power supply.
The 26 dot LED meter supports 4 different display modes: VU, VU+PEAK, VU+PEAK HOLD, PEAK+PEAK HOLD.
The display has 4 brightness settings.
 Accessories
Power cable × 1
Rubber feet × 4
Safety information sheet × 1
Owner’s manual (this manual) × 1
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