Wohler RM-2350W-HD User manual

RM-2350W-HD
HD/SD-SDI 3-Screen Audio/Video
Monitor
User Guide
Part Number 821193, Revision C

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© 2013 Wohler Technologies, Inc. All rights reserved.
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Wohler Technologies, Inc.
31055 Huntwood Avenue
Hayward, CA 94544
www.wohler.com
Phone: [phone]
FAX: [phone]
US Toll Free: 1-888-596-4537
(1-888-5-WOHLER)
Web: www.wohler.com
Sales: [e-mail]
Support: [e-mail]
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the documentation, Wohler Technologies, Inc makes no warranty or representation, either
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Last Up ate
June 20, 2013

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RM-2350 -HD
User Guide
Introduction
Overview
The 2U rack-mounted RM-2350W-HD sets a new standard in LCD
monitors for broadcast and professional video applications. It provides
800 x 480 resolution, TFT screens, and supports full digital signal
processing: HD/SD-SDI and analog composite video standards. All
video formats are scaled to fit on screen in the highest quality using
precision scaling and gamma correction to produce the best images
available.
Topics
Topics Page
Introduction 1
Installation Recommendations 3
Compliance 3
Features 4
Specifications 6
Front Panel Controls 7
Rear Panel Connectors 9
On-Screen Display Features 11
Using the OSD Menu 11
Programming the Hot Key Buttons 17
Technical Functional Overview 18

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Saf et y In st ru c ti on s
Safety Instructions
1. Read, keep, and follow all of these instructions; heed all warnings.
2. Do not use this equipment near water.
3. Use only a dry cloth to clean the equipment.
4. Do not block any ventilation openings. Install only in accordance
with the instructions in the section entitled, “Installation
Recommendations” on page 3.
5. Do not install near any heat source such as a radiator, heat register,
amplifier, or stove.
6. Do not expose the equipment to rain or moisture.
7. Do not attempt to plug the unit into a two-blade outlet (with only
two prongs of equal width).
8. Protect the power cord from being walked on or pinched,
particularly at plug’s source on the equipment and at the socket.
9. Use only the attachments/accessories specified by the
manufacturer.
10. Unplug the equipment during lightning storms or when unused
for long periods of time.
11. Refer all servicing to qualified service personnel. Servicing will be
required under all of the following conditions:
•The equipment has been damaged in any way, such as when
the power-supply cord or plug is damaged.
•Liquid had been spilled or objects have fallen onto the
equipment.
•The equipment has been exposed to rain or moisture.
•The equipment does not operate normally.
•The equipment has been dropped.
IMPORTANT: By design, these monitors will only plug into a three-prong outlet for
your safety. If the plug does not fit into your outlet, contact an
electrician to replace the obsolete outlet.

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In st al la t io n R e com me n a tio n s
Installation Recommendations
Mounting
The unit is designed to install into a standard 19” rack. The unit should
be mounted at approximately ear level for optimum frequency
response and at eye level for optimum visual observation. The rack ears
allow tilting for best viewing from higher or lower positions.
Heat Dissipation
No special physical mounting considerations are necessary regarding
heat dissipation except under adverse conditions, provided the
ambient temperature inside the mounting enclosure does not exceed
40°C (104°F). Adjacent devices can be rack mounted (or stacked)
in proximity to the unit. If the temperature is above 40°C, allow
a 1RU (1.75”/44.45mm) space above and below the unit for air
circulation.
Power
Connect the power adapter output plug (12VDC) to the DC IN jack.
Secure it to the cable retention bracket with a twist tie for support.
Connect the IEC320-C13 AC inlet of power adapter to your AC mains
receptacle using an approved grounded cord.
The power buttons for each screen on the front panel light continuously
when ready. The buttons flash when saving power in stand-by mode.
Compliance
FCC
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 Rules. These
limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial

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Fe atu r es
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.
ICES-003
This Class A digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe A est conforme à la norme
NMB-003 du Canada.
Features
The RM-2350W-HD audio/video monitor is designed for confidence
monitoring of HD/SD-SDI and composite video broadcast signal
(CVBS) video sources. Input signals are automatically detected and
accommodated. Up to eight of the sixteen audio channels embedded in
an HD/SD-SDI bit stream or external analog audio may be selected for
visual monitoring on eight on-screen bar graph style level meters. Left
and right speakers and headphone jack allow audible stereo
monitoring of the left/right channels.
Each of the three high-resolution LCD screens display high definition at
16:9 aspect ratio or standard definition video at either 4:3 or 16:9 aspect
ratio. Parameters are selected and adjusted using an On Screen Display
(OSD) MENU. One function button may be programmed as a hot key
for quick parameter settings. A DB9 connector serves as the interface to
the three tally lights on the front panel.
Additional overlays can be added by the operator for Safe Area and
Safe title markers, center mark, time code, and display name (for 16:9
aspect only). Time code is derived from embedded HD/SD-SDI source.
The slim and light weight design provides three screens in a very
compact rack-size (2RU) while the chassis only has 2.25 inches of depth.
The feature-rich RM-2350W-HD provides all of the following:

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F ea t ur es
•Three LCDs, 5.0” diagonal each
•Selectable 16:9 or 4:3 screen aspects for on screen video
•Rack mount mechanical design with vertical tilt
•Three multi-rate inputs (one per screen) accepting composite
(CVBS) or HD/SD-SDI video with re-clocked outputs of the HD/
SD-SDI input on BNC connectors
•Audio demux and display for up to eight channels from the sixteen
embedded in the HD/SDI-SDI source
•Monitoring of embedded audio through stereo front panel speakers
or stereo headphones
•Visually monitor audio levels on meters assignable to any channel
•Level meters can display VU, PPM (PK) or both with assignable
-20db to -18db reference level
•Two RS-485 I/O on RJ-45 connectors
•Local control (via menu operation) for all functions including:
•Blue gun as mono
•Safe area
•Safe title
•Center markers
•H/V delay
•Monochrome display mode
•Over/underscan
•Display of input format
•Display of input time code and up to 10 characters of
user-defined text
•Time code and text position in top or bottom of screen
•Red/green/yellow/white text color
•Built in color bars 75% full field

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Sp e ci fi c a t io n s
•User defined configuration
•Auto sets at power up
•Waveform monitor/vectorscope monitor
•User defined hot key functionality provides any of the following:
•H/V delay toggle through functions
•Underscan toggle on/off
•On Screen Display (OSD) on/off
•Color bar on/off
•Audio monitor display on/off
•Area marker toggle
Specifications
The specifications of the RM-2350W-HD are listed below.
Table 1–1 RM-2350W-HD Specifications
Specification Domain Range
Number of Screens 3
Display 5.0” diagonal
Aspect Ratios 4:3 or 16:9
Viewing Angles 170°H x 170°V
Screen Colors 16.7M
Resolution (Dots, H x V) 800 x 480
Dot Pitch (H x V, mm) 0.135 x 0.135
Contrast Ratio 600:1
Pixel Response (ms) <25ms typical
Dimensions (W x H x D) 19” x 3.5” x 2.7” (482 x 88 x 69 mm)
Power Consumption 12VDC/10 watts (3.8 Amps max)
CE & UL power supply
Operating Temperature 0°C (32°F) to 40°C (104°F)
Video Format NTSC/PAL auto recognition

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F ron t Pan e l Co nt r o ls
Front Panel Controls
The front panel feature descriptions refer to the image below.
•Tally Lights: These tri-color (red/green/amber) lights are
controlled through a DB9 connector on the rear of the panel. For
more information about the DB9 connector, refer to “Rear Panel
Connectors” on page 10.
•LCD Screen: The LCD screens display the video image, overlays
and menus.
•Speakers: Eight of 16 channels of de-embedded audio or one pair of
analog inputs per screen may be selected for monitoring through
the right speaker or stereo headphones.
•Headphone Jack: Monitor the assigned left/right stereo audio
channels with stereo headphones from this mini-stereo connector.
The speaker will mute when the headphones are plugged in.
Inputs
•HD/SD-SDI, Analog Composite
(1 BNC per LCD Screen)
•Analog Audio
(2 RCA per LCD screen)
•1 RS-485 on RJ-45
Outputs
•HD/SD-SDI Re-clocked output
(1 BNC per LCD Screen)
•Analog Audio
(2 RCA per LCD screen)
•1 RS-485 on RJ-45
Space Required 2 rack units of an EIA-19 standard
equipment rack
Supplied Accessories AC power adapter
Table 1–1 RM-2350W-HD Specifications
Specification Domain Range
Note: All of the specifications listed above are subject to change
without notice.

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Fro nt P an el Co nt ro ls
Figure 1–1 RM-2350W-HD Front Panel
•Enter: When the OSD MENU is displayed, pressing this button
enters items and accepts selections in the OSD MENU. Otherwise, it
acts as a quick menu for VOLUME and screen adjustments in
conjunction with the ∧ and ∨ buttons.
•Mute or ∧:When the OSD MENU is not active, this button is used to
select the audio source for monitoring through the headphones.
Press this button on whichever LCD section you wish to audibly
monitor, and the green LED will light to indicate your selection.
Pressing it a second time will mute the audio. Subsequent presses
will toggle the mute off and on. The green LED flickers to indicate
the mute is on. When the OSD MENU is active, this button serves as
the up (∧)navigation button in the menu.
•Blue or ∨:When the OSD MENU is not active, pressing this button
toggles between three settings: blue monochromatic, grey scale
monochromatic, and full color. When the OSD MENU is active, this
button serves as the down (∨)navigation button in the menu.
•Menu: Pressing the Menu button displays the OSD (On-Screen
Display) MENU. Refer to “Using the OSD Menu” on page 11 for
more information.
•User: The User button is programmable as a hot key for parameter
adjustments. Refer to “Programming the Hot Key Buttons” on page
17 for more information.
Tally Lights headphone Jack
Power
Aspect
User
Menu
Enter
∧/Mute
∨/Blue

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Re a r P a ne l Co n n e cto rs
•Aspect: The Aspect button toggles the aspect ratio between 4:3
and 16:9 for the associated LCD screen when the input signal is SD-
SDI. HD-SDI images are always 16:9 and are not be affected by the
Aspect switch.
•Power: Each of the three Power buttons turn the associated LCD
screen on and off; the LED glows green to indicate on. When the
indicator above the power switch is green then the unit is receiving
power. When the indicator is flashing, the unit is in stand-by mode.
Rear Panel Connectors
The rear panel feature descriptions refer to the following image.
Figure 1–2 RM-2350W-HD Rear Panel
(Ignore all RMD Markings)
•Video Input Connector: This auto-detecting, input connector
accepts HD/SD-SDI or analog CVBS video signals. The inputs
comply with SMPTE259M, SMPTE292M/ITU-R BT601. Composite
video inputs comply with SMPTE-170M.
•HD/SD-SDI Output Connector: The system re-shapes and
re-clocks an HD/SD-SDI signal before outputting it to this female
BNC connector.
•RS-485 I/O (on RJ-45): These two ports are used for system
software upgrades and dynamic UMD controls.
Video I/O Connectors DC Power
Tally Lights
Audio I/O (L & R)
RS-485 I/O
Connectors

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Figure 1–3 RS-485 I/O Pin Out
• Analog AudioInput: Input terminal for the analog audio signal.
L: left audio channel; R: right audio channel.
• Analog AudioOutput: Input terminal for the analog audio signal.
L: left audio channel; R: right audio channel.
•Tally Interface Connector: This DB9 connector controls the tally
lights on the front panel. Refer to Figure 1–4 below for the pin out.
Figure 1–4 Rear Panel DB9 Connector Pin Out
•Power Connector: To provide power to the unit, attach the supplied
12VDC power supply to this connector.
Table 1–2 RS-485 Pin Out
Pin RS485 In terminal RS485 Out Terminal
1, 2 GND GND
3 Tx- Tx-
4 Rx+ Rx+
5 Rx- Rx-
6 Tx+ Tx+
7, 8 NC NC

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RM-2350W-HD User Gui e
O n- Scr ee n D i s pl a y F eat ur e s
On-Screen Display Features
Some of the buttons and OSD Menu control the display of features on
the screen as shown in Figure 1–5 below.
Figure 1–5 Display Features
•Input Signal: STD DISP in the OSD Menu determines when the
video signal type is displayed. AUTO displays briefly after changes
occur.
•Audio Levels: Levels for the selected eight of 16 audio channels
de-embedded from an HD/SD or analog pair source are displayed
on eight meters (four pair). Four meters on the left side and four on
the right.
•UMD: The OSD Menu provides settings to customize the UMD
(User-Modifiable Data) text area to show a line of characters,
numbers, and some symbols.
•Time Code: The de-embedded time code from the HD/SD-SDI
source displays in the bottom right corner.
Using the OSD Menu
A description of how to use the OSD MENU follows. Also refer to Table
1–3 on page 13 below for typical values and domain ranges.
1. Press the Menu button to display the menu.
Marker
UMD
Audio Levels
Input Signal
Vectorscope/
Waveform
Time Code
Note: If you do not press another button for approximately 60
seconds, the menu will disappear from the screen.

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Us ing the OS D M e nu
2. Us the Up and Down buttons to navigate through the seven sub-
menu icons. The sub-menus are:
A. STATUS (No configurable options)
A. VIDEO
B. AUDIO
C. MARKER
D. OSD
E. USER CONTROL
F. USER CONFIG
3. Press the Enter button to enter the parameter selections in the
chosen sub-menu.
4. Use the Up or Down buttons to cycle through the sub-menu
selections.
5. When the desired option is highlighted, press the Enter button to
select it.
6. Use the Up or Down buttons to adjust the parameter value up or
down, make a selection, or turn a function on or off.
7. Press the Menu button to back out of a parameter or sub-menu.
Press the Menu button again to remove the menu from the screen.

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Us i ng th e O S D Me n u
Table 1–3 OSD Menu Structure
Menu Parameters Default
Value Domain Range
STATUS
FORMAT N/A
Not configurable, signal
dependent
COLOR TEMP D65
MON SOURCE N/A
SCAN UNDER
SCAN
SD ASPECT 4:3
MODEL
RM-
2350 -
HD
VIDEO
BRIGHTNESS
000
-116 to 139
CONTRAST -128 TO 127
SATURATION -128 TO 127
SHARPNESS 0 TO 15
HUE -32 TO 31
RESET YES Loads system defaults
COLOR TEMP D65 D65, D56, OR D93
R GAIN
128 0 to 255
G GAIN
B GAIN
R OFFSET
G OFFSET
B OFFSET
RESET YES Loads system defaults
AUDIO
AUDIO MON OFF
ON or OFF; toggles audio enable
between the two monitors, (i.e.,
enabling the ON selection on one
turns the other OFF).
MON SOURCE MET 1
Metered pair for speakers/
headphones
•MET 1,
•MET 2,
•MET 3, OR
•MET 4
VOLUME -30db -30 db to 0 db

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AUDIO
(Continued)
METER SIZE SMALL Not configurable, signal
dependent
METER H POS L 000 000 to 255, number of pixels in
from the edge
METER H POS R
TEST LEV -20 DB -20DB or -18DB
IN A:MET 1
VU+PK
•VU,
•PK,
•VU+PK, OR
•NONE
IN A:MET 2
IN A:MET 3
IN A:MET 4
IN A:MET 1-L CH 1 •EDB1 through EDB16,
•EXT1L,
•EXT1R through EXT4L,
•EXT4R
IN A:MET 1-R CH 2
IN A:MET 2-L CH 3
IN A:MET 2-R CH 4
IN A:MET 3-L CH 5
IN A:MET 3-R CH 6
IN A:MET 4-L CH 7
IN A:MET 4-R CH 8
MARKER
SAFE MARKER
OFF
ON or OFF; If SAFE MARKER is
set to OFF, none of the other
options on this menu are
configurable.
CENTER
ON or OFF
90%
80%
AREA
•2.35:1,
•1.85:1,
•15:9,
•14:9,
•13:9,
•4:3, or
•OFF
OSD STD DISP OFF
•AUTO OFF,
•ON, or
•OFF
Table 1–3 OSD Menu Structure (Continue )
Menu Parameters Default
Value Domain Range

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Us i ng th e O S D Me n u
OSD
(Continued)
FM/VT DISP
•VECTOR,
•FM, or
•OFF
TC DISP
ON or OFFUMD DISP
OSD TLY DISP On
OSD TLY MODE RGY
•RG,
•GR, or
•RGY
LED TLY DISP On ON or OFF
UMD FIXED SET UP
—N/A
A user-definable input string of
up to 16 alphanumeric characters
(also includes some symbols)
COLOR HITE
•RED,
•GREEN,
•YELLO , or
•HITE
ALIGN CENTER LEFT, CENTER, or RIGHT
UMD PROTOCOL
—
•LOCAL,
•IMAGE VIDEO,
•TSL V4.0, or
•TSL V3.1,
UMD ID 000 000 through 255 (TSL uses 128 to
255)
UMD NAME (S/N)
— N/A
A user-definable input string of
up to 16 alphanumeric characters
(also includes some symbols)
UMD TLY MODE T1T2
•T2,
•T1,
•T2T1-, or
•T1T2-
Table 1–3 OSD Menu Structure (Continue )
Menu Parameters Default
Value Domain Range

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OSD
(Continued)
UMD BAUD RATE
— N/A
•2400,
•4800,
•9600,
•19200,
•38400,
•57600, or
•115200
TALLY SOURCE
— N/A
•STANDARD,
•TSL,
•STANDARD+IV422,
•IMAGE VIDEO 422, or
•IMAGE VIDEO H
USER
CONTROL
SCAN NORMAL NORMAL or UNDER SCAN
SD ASPECT 4:3 4:3 or 16:9
H/V DELAY OFF
•OFF,
•H,
•V, or
•H/V
COLOR BAR DISABLE DISABLE or “ON”
USER
CONFIG
VECTOR REF 75% CB 75% CB or 100% CB
OSD CONTROL ON ON or OFF
FM/VT MODE SOLID
•SOLID,
•75%,
•50%, or
•25%
Table 1–3 OSD Menu Structure (Continue )
Menu Parameters Default
Value Domain Range

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Pr o gr a m mi ng th e H o t Ke y B ut to ns
Programming the Hot Key Buttons
The Enter Button
When the OSD Menu is not displayed, you can press the Enter button
to quickly adjust the following parameters:
1. VOLUME: This option regulates the volume from -30db to 0db.
2. BRIGHTNESS: This option regulates the video brightness from
-116 to 139, where 0 is the typical value.
3. CONTRAST:This option regulates the image contrast from -128 to
127, where 0 is the typical value.
4. SATURATION:This option regulates the color saturation of the
image from -128 to 127, where 0 is the typical value.
5. SHARPNESS:This option regulates the sharpness of the image
from 0 to 15, where 0 is the typical value.
6. HUE:This option regulates the hue of the image from -32 to 31,
where 0 is the typical value.
USER
CONFIG
(Continued)
USER SCAN
•SCAN,
•HD ZOOM
•MON SOURCE,
•OSD CONTROL,
•AREA MARKER,
•SAFE MARKER,
•FM DISPLAY, or
•H/V DELAY
Table 1–3 OSD Menu Structure (Continue )
Menu Parameters Default
Value Domain Range
Note: By selecting the DEFAULT option in the CONFIG sub-menu,
you can reset the parameters of the BRIGHTNESS,
CONTRAST, SATURATION, SHARPNESS, and HUE options
to zero (0).

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Tec h nic al F unc tio n al Ov er v iew
The User Button
You can use the User as a hot key. Assigning a parameter to this button
allows that parameter to be displayed and adjusted on-screen at the
press of the button without displaying and navigating through the OSD
MENU. To program the hot key:
1. Press the Menu button.
2. Use the Up and Down buttons to find the USER CONFIG
sub-menu and press the Enter button to select it.
3. Use the Up and Down buttons to cycle to the USER selection and
press the Enter button to select it.
4. Use the Up and Down buttons to select the following eight
parameters. Press the Menu button to exit the sub-menu. (Refer to
Table 1–3 starting on page 13 for the domain range for each of
these parameters.)
•SCAN
•HD ZOOM
•AUDIO SOURCE
•OSD CONTROL
•AREA MARKER
•SAFE MARKER
•FM DISPLAY/VECT DISPLAY
•H/V DELAY
Technical Functional Overview
Figure 1–6 on page 19 illustrates the overall functionality of the
RM-2350W-HD.