Fostex Stereo System RM 2 User Manual

436827  
Owner’s Manual  
STEREO RACK MONITOR  
(DIGITAL I/O VERSION)  
Model RM-2  
MONO  
L
MUTE  
VU  
0
2
4
6
+
R
-
28 20 16  
10  
7
5
3
0
2
4
6
+
-
-
28 20 16  
10  
7
5
3
PEAK  
[dBFS]  
60 52 44 36 28  
20 16 12  
6
4
2
0
OL  
60 52 44 36 28  
20 16 12  
6
4
2
0
OL  
-
DIGITAL  
CH SEL  
INPUT  
RM-2  
ANALOG  
DIGITAL  
STEREO RACK MONITOR  
L
R
PHONES  
MIN  
MAX  
Introduction  
Thank you very much for purchasing the Fostex Model RM-2.  
The Model RM-2 is a rack-mountable powered monitor system which allows  
you to monitor digital or analog audio signals.  
It incorporates a 10 W x 2 power amplifier and outputs signals from the inter-  
nal speakers (or from the headphones output jack). You can check the input  
level via the 26-dot LED meters.  
Read this owner's manual thoroughly before using. We hope you will use the  
RM-2 for a long time.  
Table of contents  
Safety instruction .....................................................................................................2  
Names and functions ...............................................................................................4  
After turning on the power ..........................................................................4  
Indication of channel selection ...................................................................6  
"System mute" and "user mute" .................................................................6  
Main specifications ..................................................................................................7  
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Model RM-2 Owner’s Manual  
Important Safety Instructions  
1)  
2)  
3)  
4)  
5)  
6)  
7)  
Read these instructions.  
Keep these instructions.  
Heed all warnings.  
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.  
Follow all instructions.  
Do not use this apparatus near water.  
Clean only with dry cloth.  
Do not block any ventilation openings.  
Install in accordance with the  
manufacturer's instructions.  
8)  
9)  
Do not install near any heat sources such  
as radiators, heat registers, stoves, or  
other apparatus (including amplifiers) that  
produce heat.  
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.  
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.  
3
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Model RM-2 Owner’s Manual  
Names and functions  
After turning on the power  
Each time you turn on the power, the RM-2 is muted and the "MUTE" indicator flashes. (Figure 1 below  
shows the condition of the status information section when you first turn on the power after purchas-  
ing the RM-2.)  
To use the RM-2, therefore, press the [CH SEL] key to unmute the RM-2 (see Figure 2 below).  
The "MUTE" indicator turns off. In particular conditions, the system mute function works and the RM-  
2 is automatically muted, while you can manually mute it whenever you want. See page 6 for details.  
Figure 1  
Figure 2  
MONO  
L
MUTE  
MONO  
L
MUTE  
VU  
0
6
2
4
4
2
6
0
+
R
-
-
28 20 16  
10  
7
5
3
0
6
2
4
4
2
6
0
+
-
-
28 20 16  
10  
7
5
3
R
PEAK  
[dBFS]  
60 52 44 36 28  
20 16 12  
OL  
60 52 44 36 28  
20 16 12  
OL  
DIGITAL  
CH SEL  
INPUT  
RM-2  
ANALOG  
DIGITAL  
STEREO RACK MONITOR  
L
R
PHONES  
MIN  
MAX  
DIGITAL  
Press the [CH SEL] key.  
Lighting  
Lighting  
Flashing  
1
1
<Front panel>  
MONO  
L
MUTE  
VU  
0
2
4
6
+
R
-
-
28 20 16  
10  
7
5
3
0
6
2
4
4
2
6
0
+
-
-
28 20 16  
10  
7
5
3
PEAK  
[dBFS]  
60 52 44 36 28  
20 16 12  
6
4
2
0
OL  
60 52 44 36 28  
20 16 12  
OL  
DIGITAL  
CH SEL  
INPUT  
RM-2  
ANALOG  
DIGITAL  
STEREO RACK MONITOR  
L
R
PHONES  
MIN  
MAX  
3
2
2
MONO  
L
MUTE  
VU  
0
6
2
4
4
2
6
+
R
-
-
28 20 16  
10  
7
5
3
0
6
2
4
4
2
6
0
+
-
-
28 20 16  
10  
7
5
3
PEAK  
60 52 44 36 28  
20 16 12  
0
OL  
60 52 44 36 28  
20 16 12  
OL  
[dBFS]  
DIGITAL  
CH SEL  
INPUT  
RM-2  
ANALOG  
DIGITAL  
STEREO RACK MONITOR  
L
R
PHONES  
MIN  
MAX  
6
7
5
4
1) Internal speakers  
2) LED level meters  
4) [INPUT] (input select) switch  
This switch selects the input signal between  
analog and digital.  
These meters show the input levels of digital or  
analog input signals.  
You can monitor the analog signals re-  
ANALOG  
ceived via the [ANALOG INPUT] connec-  
tors.  
(
)
The levels of digital input signals  
are shown by peak metering.  
The peak value is hold for three  
When the [INPUT]  
switch is set to  
DIGITAL  
seconds.  
You can monitor the digital signal received  
via the [DIGITAL INPUT] connectors.  
When the unit receives a correct digital  
signal and works correctly, the "DIGITAL"  
indicator in the status information section  
lights. When the unit does not receive a  
correct digital signal or does not work cor-  
rectly, the "DIGITAL" indicator flashes.  
DIGITAL  
The levels of analog input signals  
are shown by VU metering.  
The peak value is hold.  
When the [INPUT]  
switch is set to  
ANALOG  
(
)
When digital input is selected:  
Peak metering, 0 dB: 0dBFS  
When analog input is selected:  
VU metering, 0dB: +4 dBu/-10 dBV  
<Notes>: When switching the input signal (be-  
tween analog and digital), the system mute  
function works and unit is automatically  
muted for a while (the [MUTE] indicator  
lights). This prevents the noise from being  
generated from the speaker units when  
switching the signal. Muting is automatically  
released after a few seconds.  
3) Status information section  
This section indicates the status of the [CH SEL]  
key and [INPUT] switch, as well as mute on/off  
status. See page 6 for details.  
See page 6 for details about the system mute  
function.  
4
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Model RM-2 Owner’s Manual  
The following shows which signal is output from  
each internal speaker unit for each channel se-  
lection.  
5) [CH SEL] (channel select) key  
This key switches the channel(s) to be  
monitored.  
Each press of the key switches the channel(s)  
in the following order (by default when  
turning on the power, "stereo" is selected).  
The current selection is shown by the  
indicators in the status information section (see  
page 6 for the indication of channel selection).  
When "Stereo" is selected  
MONO  
L
MUTE  
VU  
-
2
8
2
0
1
6
10  
7
5
3
0
2
4
6
+
R
-
2
8
2
0
1
6
10  
7
5
3
0
2
4
6
+
PEAK  
[dBFS]  
6
0
5
2
4
4
3
6
2
8
2
0
1
6
1
2
6
4
2
0
OL  
-
-
6
0
5
2
4
4
3
6
2
8
2
0
1
6
1
2
6
4
2
0
OL  
DIGITAL  
CH SEL  
INPUT  
RM-2  
ANALOG  
DIGITAL  
R
STEREO RACK MONITOR  
L
L
R
PHONES  
MIN  
MAX  
When "Mono (L+R)" is selected  
MONO  
L
MUTE  
VU  
-
2
8
2
0
1
6
10  
7
5
3
0
2
4
6
+
R
-
2
8
2
0
1
6
10  
7
5
3
0
2
4
6
+
PEAK  
[dBFS]  
6
0
5
2
4
4
3
6
2
8
2
0
1
6
1
2
6
4
2
0
OL  
-
-
6
0
5
2
4
4
3
6
2
8
2
0
1
6
1
2
6
4
2
0
OL  
DIGITAL  
CH SEL  
INPUT  
RM-2  
STEREO RACK MONITOR  
ANALOG  
DIGITAL  
L+R  
L+R  
L
R
PHONES  
MIN  
MAX  
Stereo  
When "Mono (L only)" is selected  
MONO  
L
MUTE  
VU  
-
2
8
2
0
1
6
10  
7
5
3
0
2
4
6
+
R
-
2
8
2
0
1
6
10  
7
5
3
0
2
4
6
+
PEAK  
[dBFS]  
6
0
5
2
4
4
3
6
2
8
2
0
1
6
1
2
6
4
2
0
OL  
-
-
6
0
5
2
4
4
3
6
2
8
2
0
1
6
1
2
6
4
2
0
OL  
DIGITAL  
CH SEL  
INPUT  
RM-2  
STEREO RACK MONITOR  
ANALOG  
DIGITAL  
L
L
Mono (L+R)  
Mono (L only)  
Mono (R only)  
L
R
PHONES  
MIN  
MAX  
When "Mono (R only)" is selected  
MONO  
MUTE  
VU  
-
2
8
2
0
1
6
10  
7
5
3
0
2
4
6
+
L
R
-
2
8
2
0
1
6
10  
7
5
3
0
2
4
6
+
PEAK  
[dBFS]  
6
0
5
2
4
4
3
6
2
8
2
0
1
6
1
2
6
4
2
0
OL  
-
-
6
0
5
2
4
4
3
6
2
8
2
0
1
6
1
2
6
4
2
0
OL  
DIGITAL  
CH SEL  
INPUT  
RM-2  
STEREO RACK MONITOR  
ANALOG  
DIGITAL  
R
R
L
R
PHONES  
MIN  
MAX  
6) Monitor output level controls  
These dual concentric controls adjust the  
speaker output (or headphones output) levels.  
The outer control adjusts the left channel level,  
while the inner control adjusts the right  
channel level.  
By long press of the [CH SEL] key, you can mute  
the unit, while the [MUTE] indicator flashes (this  
is called "user mute"). Pressing the [CH SEL] key  
again release muting and the [MUTE] indicator  
turns off. See page 6 for the user mute func-  
tion.  
7) PHONES jack  
This jack is used for connecting headphones.  
When a plug is inserted, the internal speakers  
are cut.  
<Rear panel>  
CAUTION  
ON  
RISQUE DE CHOC ELECTRIQUE  
NE PAS OUVRIR  
AVIS:  
OFF  
WARNING:  
TO REDUCE THE RISK OF FIRE OR ELECTRIC  
SHOCK, DO NOT EXPOSE THIS EQUIPMENT  
TO RAIN OR MOISTURE.  
R
L
ANALOG INPUT  
DIGITAL INPUT  
POWER  
AC IN  
9
8
10 11  
10) [POWER] switch  
8) [ANALOG INPUT] connectors (XLR / 1/4" combi-  
This switch turns the power on or off.  
Each time you turn on the power, the RM-2 is  
muted for preventing the noise from being  
generated from the speaker units (the "MUTE"  
indicator flashes).  
jacks)  
You can connect an XLR-3-12C connector or  
1/4" plug to each of these combi-jack type  
[ANALOG INPUT] connectors (you cannot  
insert both together). Each connector accepts a  
+4 dBu analog signal via XLR connection or a  
-10 dBV analog signal via 1/4" connection.  
11) [AC IN] connector  
Connect to the AC outlet using the supplied  
power cord.  
Make sure that the AC outlet voltage matches  
the unit.  
Ground  
Pin 1  
HOT (+) COLD (-)  
Pin 2  
2
1
3
XLR  
Pin 3  
9) [DIGITAL INPUT] connector (XLR connector)  
This connector accepts an AES/EBU digital  
signal at the sampling frequency within the 44.1  
kHz to 96 kHz range. You can connect an XLR-  
3-12C connector.  
Ground  
Pin 1  
HOT (+) COLD (-)  
Pin 2  
2
1
XLR  
Pin 3  
3
5
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Model RM-2 Owner’s Manual  
Indication of channel selection  
You can see which channel(s) is/are now selected by the [CH SEL] key via the status information  
section, as below.  
• When the [INPUT] switch is set to "Analog"  
Stereo  
Mono (L+R)  
Mono (L only)  
Mono (R only)  
MONO  
L
MUTE  
MONO  
MUTE  
MONO  
MUTE  
MONO  
MUTE  
R
L
R
L
R
L
R
DIGITAL  
DIGITAL  
DIGITAL  
DIGITAL  
Illuminated  
Illuminated  
Illuminated  
Illuminated  
Illuminated  
• When the [INPUT] switch is set to "Digital"  
Mono (R only)  
Stereo  
Mono (L+R)  
Mono (L only)  
MONO  
L
MUTE  
MONO  
MUTE  
MONO  
MUTE  
MONO  
L
MUTE  
R
R
L
R
L
R
DIGITAL  
DIGITAL  
DIGITAL  
DIGITAL  
Illuminated  
Illuminated Illuminated  
Illuminated Illuminated Illuminated  
Illuminated  
Illuminated  
Illuminated  
"System mute" and "user mute"  
The RM-2 has two mute functions. One is the "user mute" function which allows you to manually  
mute the unit whenever you want, while the other is the "system mute" function which automatically  
mute the unit in particular conditions.  
User mute: The user mute function allows you to mute the unit manually by pressing and hold-  
ing down the [CH SEL] key until the [MUTE] indicator lights up (the level meters show the input  
levels regardless of the mute condition). You can release muting by pressing the [CH SEL] key  
briefly.  
System mute: The RM-2 is automatically muted in any of conditions (1) through (3) below (un-  
like the user mute, the level meters do not show the input levels in this case). The system mute  
function is activated to prevent the noise from being generated from the speaker units. In the  
cases of (1) and (2) below, muting is released after a few seconds. In the case of (3), muting is  
released when the unit locks to the external digital signal.  
(1) When you turn on the power.  
(2) When you press the [INPUT] switch to switch the input.  
(3) When the unit does not lock to the external digital clock while selecting the digital input.  
<Note>: When you turn on the power, both the user mute and system mute functions are  
activated. Therefore, system muting is automatically released after a few seconds but user  
muting is not released automatically. So you have to press the [CH SEL] key to release user  
muting.  
The MUTE indicator shows mute status. When the system mute is active, the MUTE indicator is lit.  
When the user mute is active, the MUTE indicator flashes. As the user mute status takes priority to  
the system mute status, the MUTE indicator shows the status as follows.  
System mute  
MONO  
L
MUTE  
R
OFF  
Unlit  
ON  
Lit  
OFF  
ON  
User mute  
DIGITAL  
Flashing  
Flashing  
MUTE LED  
6
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Model RM-2 Owner’s Manual  
Main Specifications  
<Speaker section>  
• Unit:  
110 x 40 mm, cone type, magnetically shielded type x 2  
• Impedance:  
8 ohms  
• Output sound pressure level:  
• Frequency response:  
84 dB/W (1m)  
200 Hz to 20 kHz  
<Power amplifier section>  
• Rated output power:  
• Residual noise:  
• Distortion:  
10 W or more (8 ohms, 1 kHz)  
-60 dBV or less (DIN AUDIO)  
0.5 % or less (10 W/4ohms, 1 kHz)  
• Digital input  
Connector:  
XLR-3-31 type  
Format:  
Sampling frequency:  
• Analog input  
IEC 60958 (AES/EBU)  
44.1 kHz to 96 kHz  
Connector:  
XLR/ 1/4 combi-jack  
Nominal input level:  
Input impedance:  
• PHONES  
+4 dBu (XLR), -10 dBV (1/4")  
10 kohms or more  
Connector:  
1/4-inch stereo jack  
Applicable load impedance:  
Rated output power:  
• Level meters:  
8 ohms or more  
20 mW + 20 mW (32 ohms, 1 kHz)  
26-dot LED meter x 2  
When digital input is selected: Peak metering, 0 dB: 0dBFS  
When analog input is selected: VU metering, 0dB: +4 dBu/-10 dBV  
<General>  
• External dimensions:  
• Weight:  
430 (W) x 44 (H) x 260 (D) mm  
Approximately 3.5 kg  
• Power requirement:  
120VAC 60Hz (for US and CANADA version)  
230VAC~240VAC 50/60Hz (for Europe version)  
10 W  
• Power consumption:  
• Supplied accessories:  
Power cord, Owner's manual, Rack mount adaptor x 2, Rubber foot x 4  
* Specifications and appearance are subject to change without notice for product improvement.  
430  
482  
MONO  
L
MUTE  
VU  
0
6
2
4
4
2
6
0
+
R
-
-
28 20 16  
10  
7
5
3
0
6
2
4
4
2
6
0
+
-
-
28 20 16  
10  
7
5
3
PEAK  
[dBFS]  
60 52 44 36 28  
20 16 12  
OL  
60 52 44 36 28  
20 16 12  
OL  
DIGITAL  
CH SEL  
INPUT  
RM-2  
ANALOG  
DIGITAL  
STEREO RACK MONITOR  
L
R
PHONES  
MIN  
MAX  
7
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FOSTEX CO.  
3-2-35, Musashino, Akishima-shi, Tokyo, Japan, 196-0021  
FOSTEX AMERICA  
13701 Cimarron Avenue Gardena, CA 90249 U.S.A.  
© PRINTED IN JAPAN OCT. 2005 FX (436827)  
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