2
Reference Monitor Meters User Handbook
1
INTRODUC
TION
INTRODUCTION
audio source to be monitored, from either of the 2 stereo inputs, or from a mono mix of
each channel with channel 1 shown on the left meter and channel 2 shown on the right
meter.
The Reference Monitor Meters are available in 1U rack mount versions:
RM-M1R53
Rack mount version of RM-M1F53.
RM-M2R53
Rack mount version of RM-M2F53.
RM-M4R53
Dual rack mount version combining 2xRM-M2R53 units providing 4 stereo
inputs.
RM-M1R106
Rack mount version of RM-M1F106.
RM-M2R106
Dual rack mount version combining 2xRM-M1R106 units providing
4 stereo inputs.
In this document, generic model references are used to refer to features that are relevant to
all versions of that particular model, for example:
RM-M1-53 refers to the RM-M1F53 and the RM-M1R53,
RM-M2-53 refers to the RM-M2F53 and the RM-M2R53 and
RM-M1-106 refers to the RM-M1F106 and the RM-M1R106.
All Reference Monitor Meters products operate from global mains voltages (85-264V AC,
47-63Hz) without adjustment.
System Block Diagram
Analogue
or Digital
Input
AES/EBU
Receiver
AES/EBUTermination
A/D
Converter
A/D Auto
Switch
Analogue
or Digital
Input
(Select Switch
on RM-M1F06,
RM-M1R106 &
RM-M2R106 Only)
Global
Mains
Power
Global
Mains
Power
AES/EBU
Receiver
Display
Driver
Phase
Metering
Level
Metering
AES/EBUTermination
A/D
Converter
A/D Auto
Switch
RS232
Remote Control
Alarms &
Logic I/O
Configuration
Switches
Indicators
Metering Display
Input 1
Input 2 (Input 2 not on RM-M1F53 or RM-M1R53)
Micro Controller
I/P Gain
Front Panel
