The Crestron® C2N-TTVFM is a Crestron-controlled, cable-ready television tuner
and FM radio tuner (TV/FM Tuner). Designed to provide superior performance and
flexibility, the unit works stand-alone or with the companion AM/Weather band
tuner, the C2N-TAMWX (AMWX Tuner). The TV/FM Tuner adds television and
high-quality FM radio programming to your whole-house audio/video distribution
system or boardroom AV system.
The TV/FM Tuner is designed to work in a Crestron 2-Series or X-Generation
control system (Cresnet
to search through the stations and control tuner functions. User-programmable
presets let you quickly select your favorite station. Audio output from the TV/FM
Tuner can be routed to a CNX-PAD8A or local preamplifier or to a surround sound
decoder such as the C2N-DAP8 or C2N-DAP8RC. Output can also be routed to a
CNX-BIPAD8 for distribution to other rooms via CAT5 cabling.
Functional Summary
• Headphone connector for local monitoring of audio output
• Up to 20 station presets (for TV and for FM) via local
buttons—virtually unlimited number via software—enable
fast program selection
• Five-pin mini terminal block for line-level FM stereo
output
• RJ-45 connector provides proprietary noise-free link (up to
500 feet) to C2N-TAMWX AM/Weather band tuner
• Integrated configuration lets local TV/FM Tuner buttons
control AM/WX Tuner
• On power up, returns to last station selected before power
down
• Can switch tuner modes (Off-Air, Standard, IRC, and
HRC) on the fly
• Scans channels for valid signals; builds next-channel table
®
system). You can use any Crestron multi-mode touchpanel
Operations Guide - DOC. 6266A TV & FM Radio Tuner: C2N-TTVFM • 1
TV & FM Radio Tuner Crestron C2N-TTVFM
Mute and Mono Functions
The TV/FM Tuner incorporates automatic as well as manual selection of mute and
mono mode functions.
• The tuner can be put into mono/stereo mode or mute mode via the
touchpanel.
• The tuner cannot be put into mono/stereo mode or mute mode via the tuner
controls.
• After tuning to a station, the tuner will automatically switch to mono mode
if the signal level is low and auto mono/mute is off.
• The tuner automatically mutes the output during rapid scan functions.
• After tuning to a station, the radio will automatically mute if the signal level
is too low and the radio-forced mono mode is off.
• The auto mono/mute feature can be disabled via program or touchpanel
program.
SAP Feature
The TV/FM Tuner supports the SAP (Secondary Audio Program) feature utilized by
many television broadcast stations. This feature is commonly used in the U.S. to
provide Spanish-language audio for English-language television programming.
TV Modes
The TV/FM Tuner will power-on to its last programmed reception mode. Off-Air
mode is factory set; all other modes are accessed through the control system
software. Channel reception is standard NTSC format for all modes:
Off-Air Channels 2 to 69
Standard (CATV) Channels 2 to 125
IRC Channels 1 to 125
HRC Channels 1 to 125
2 • TV & FM Radio Tuner: C2N-TTVFM Operations Guide - DOC. 6266A
Crestron C2N-TTVFM TV & FM Radio Tuner
Specifications
The following table summarizes the specifications for the C2N-TTVFM Tuner.
Specifications of the C2N-
TTVFM
SPECIFICATION DETAILS
Power Requirements
TV/FM Tuner only
TV/FM Tuner plus AMWX Tuner
Default Net ID 47
Control System Update Files
2-Series Control System
CNMSX-AV/PRO
CNRACKX/-DP
CEN/CN-TVAV
C2N-
TTVFM
Firmware C2N-
TV Tuner
Frequency Range
Off-air TV channels
CATV cable channels
Stereo separation
THD
Sensitivity
Video output level
SAP
FM Tuner
Frequency range
Usable sensitivity
S/N ratio
IF rejection
AM rejection
Stereo separation
Audio Output
Maximum output
Output impedance
Minimum load
Ports/Connectors
NET
AM RADIO
AUDIO OUT
VIDEO OUT
FM ANT
TV ANT
Environmental temperature 32° to 122°F (0° to 50°C)
Humidity 10% to 90% RH (non-condensing)
Dimensions Height: 1.80 in (4.57 cm)
Weight 1.86 lb (0.84 kg)
1 The latest versions can be obtained from the Downloads | Software Updates section of the Crestron
website (www.crestron.com)
2 Crestron 2-Series control systems include the AV2 and PRO2. Consult the latest Crestron Product
Catalog for a complete list of 2-Series control systems.
3 Filenames for CNX and ST-CP update files have a UPZ extension. Files on the website may be .zip
or self-extracting .exe files containing the .cuz or .upz file. All can be obtained from the Downloads
1, 2, 3
. Refer to following NOTE.
8.0 Watts (0.3 Amp @ 24 VDC)
16.0 Watts (0.66 Amp @ 24 VDC)
Version 2.004.CUZ or later
Version 5.12.63X.UPZ or later
Version 5.12.63W.UPZ or later
Version 5.12.63V.UPZ or later
TTVFM
.1.12.upg or later
55 MHz to 802 MHz
2 to 69
2 to 125
35 dB
0.2% @ 1 kHz
-20 dBmV to +20 dBmV
@ 75 Ohms
1 Vp-p
Secondary Audio Program
87.5 MHz to 108 MHz
11 dBf mono; 60 dBf stereo
64 dB @ 65 dBf mono; 56 dB @ 65 dBf stereo
100 dB
55 dB
27 dB
1 V
balanced
rms
200 Ohms balanced, <100 Ohms single ended
600 Ohms balanced
Four-pin mini-terminal block connector for
Cresnet® interface (24, Y, Z, G)
RJ-45 for link (up to 500 feet) to AM/Weather
band tuner
Five-pin mini-terminal block for balanced linelevel stereo
BNC Female for composite video
F-Type coaxial connector for FM antenna input
F-Type coaxial connector for TV antenna input
Width: 7.07 in (17.96 cm)
Depth: 6.85 in (17.40 cm)
Operations Guide - DOC. 6266A TV & FM Radio Tuner: C2N-TTVFM • 3
TV & FM Radio Tuner Crestron C2N-TTVFM
section of the Crestron website. To avoid program problems, make sure you are using the update
with the correct suffix letter (e.g., S, V, W, X).
NOTE: Crestron software and any files on the website are for Authorized Crestron
dealers and Crestron Authorized Independent Programmers (CAIP) only. New users
may be required to register to obtain access to certain areas of the site (including the
FTP site).
Physical Description
The C2N-
TTVFM
is housed in a black enclosure with labeling on the front and rear
panels. The front of the unit includes ten LEDs that indicate the unit’s status, and all
local controls. All connections, except for headphones, are made on the back of the
unit. Four rubber feet on the bottom of the unit provide stability and prevent
slippage
C2N-
. Refer to the figures below and on the following page.
TTVFM
Physical Views
4 • TV & FM Radio Tuner: C2N-TTVFM Operations Guide - DOC. 6266A
Crestron C2N-TTVFM TV & FM Radio Tuner
C2N-
TTVFM
Overall Dimensions
6.32 in
(16.05 cm)
6.85 in
(17.40 cm)
7.07 in
(17.96 cm)
TV TUNER
PWR
NET
CRESTRON
NET
24YZG
CRESTRON
SETUP
ELECTRONICS INC., ROCKLEIGH, NJ 07647
AM FM WX TV VOL
AUDIO OUT
AM RADIO
+ – + –
1.70 in
C2N-TTVFM
TV
G
BAND
MODE
SAVE
(4.32 cm)
1.80 in
(4.57 cm)
SCAN
TUNE
PRE
VIDEO OUT
R
L
G
VIDEO
ANTENNA
FM
USA
6.94 in
(17.63 cm)
C2N-
TTVFM
All connections to the C2N-
Ports
TTVFM
, except headphones, are made through the ports
on the rear panel. Refer to the illustrations and descriptions, which follow.
C2N-TTVFM Ports
NET
24YZG
SETUP
AM RADIO
AUDIO OUT
R
L
G
+ –+ –
VIDEO OUT
ANTENNA
G
TV
CRESTRON
ELECTRONIC S INC., RO CKLEIGH, N J 07647
VIDEO
USA
FM
Operations Guide - DOC. 6266A TV & FM Radio Tuner: C2N-TTVFM • 5
TV & FM Radio Tuner Crestron C2N-TTVFM
NET
This four-pin mini-terminal block connector is used to connect the C2N-TTVFM
module to the Cresnet system. Data and power for the C2N-TTVFM are provided
via the connection. Refer to “Network Wiring” on page 8. (Mating connector
supplied.)
AM RADIO (RJ-45)
The RJ-45 AM RADIO port provides CAT5 interface (up to 500 feet of straightthru cable) to the companion Crestron AMWX Tuner. Wiring for the connector is
shown in the following diagrams.
PIN # SIGNAL
1 +24V
2 +24V
3 COM+
4 Audio+
5 Audio-
6 COM-
7 Ground
8 Ground
Pin 1
RECEPTACLE, REAR VIEW
(TAB POSITION DOWN)
8-PIN, RJ-45 PINOUT
Pin 1
CONNECTOR
(TAB FACING AWAY)
NOTE: This connector is to be used only to provide interface to Crestron products
specifically designed to work with this unit. It cannot be used for connections to
Cresnet or Crestron audio distribution devices.
AUDIO OUT L, R
This five-pin mini-terminal block connector provides balanced line-level audio
output for local preamp/processors. (Mating connector supplied.)
VIDEO OUT
This BNC female connector provides composite video output.
FM ANT
This Type F coaxial connector is for an FM antenna cable (not supplied).
TV ANT
This Type F coaxial connector is for a TV antenna cable (not supplied).
G (Chassis Ground)
Use this chassis screw to ground the unit to the amplifier and audio source common
grounds.
(Headphone)
The only connection on the front panel of the TV/FM Tuner is the mini-phone jack,
which permits the use of headphones to monitor the audio signal (stereo). The
volume mode, selected by the MODE switch, allows adjustment of the volume to the
headphones only. Note that plugging in headphones does not interrupt the unit’s
other audio output. The headphone output can also be adjusted via programming.
6 • TV & FM Radio Tuner: C2N-TTVFM Operations Guide - DOC. 6266A
Crestron C2N-TTVFM TV & FM Radio Tuner
Front Panel Controls and Indicators
Ten LED indicators, a five-digit display, and three pushbutton switches are located
on the front panel of the TV/FM Tuner. Refer to the illustration and descriptions that
follow.
C2N-TTVFM Front Panel Controls and Indicators
PWR (Power)
This green LED illuminates when power is supplied to the TV/FM Tuner.
NET
This yellow LED illuminates when communication between the control system and
the TV/FM Tuner is established (the unit is polled on the network). Illumination
indicates that the program currently loaded has a network device defined at the same
ID as the TV/FM Tuner. The LED flashes or remains on when communication with
the processor occurs.
BAND Switch
Use the BAND switch to select between the AM, FM, WX (weather), and TV bands.
The corresponding red LEDs (AM, FM, WX, TV) illuminate as each band is selected,
and the five-digit display shows the appropriate values. The AM and WX modes
cannot be selected if the AMWX Tuner is excluded from your configuration.
MODE Switch,
Use the MODE switch to select between the volume, preset, tune, and scan modes.
The corresponding red LEDs (VOL, PRE, TUNE, and SCAN) illuminate as each
mode is selected. In each mode, the five-digit display shows the appropriate values.
In the volume mode, the up/down buttons select ten volume levels (0 through 9) for the
signal supplied to the headphone jack.
In the preset mode, the up/down buttons let you sequence through the preset numbers
(1-20) to select a station or to save a new station in a preset location.
In the tune mode, the up/down buttons let you sequence through the FM band
frequencies in 100 kHz increments. (The frequency scan and step rate can be changed
via the program from 100 kHz to 50 kHz, the rate needed in European radios.) For
the TV band, the buttons let you sequence through all available channels.
In the scan mode for all bands, the up/down buttons initiate the scan and direction of
the search for the next station with a signal strong enough for good reception. Pressing
either button will halt the scan.
KJ
(Up/Down) Buttons, and Display
Operations Guide - DOC. 6266A TV & FM Radio Tuner: C2N-TTVFM • 7
TV & FM Radio Tuner Crestron C2N-TTVFM
SAVE Button
Use the SAVE button to save a station frequency in a preset location. To save a preset,
select the desired station, use the MODE switch to select the preset mode, use the
up/down buttons to select the preset location, and then press SAVE. The display will
briefly show “SAVE” as the preset is saved.
SETUP LED and Pushbutton
The TV/FM Tuner is Touch Settable ID (TSID) ready. The SETUP pushbutton and
its associated LED are located on the rear panel and are used for setup of the unit’s
network ID during the initial configuration of a Cresnet system or when the device is
being added/replaced. Refer to “Method B (Touch Settable IDs)” on page 10for
detailed information.
Industry Compliance
As of the date of manufacture, the TV/FM Tuner has been tested and found to
comply with specifications for CE marking and standards per EMC and
Radiocommunications Compliance Labelling.
Setup
NOTE: This device complies with part 15 of the FCC rules. Operation is subject to
the following two conditions: (1) these devices may not cause harmful interference,
and (2) these devices must accept any interference received, including interference
that may cause undesired operation.
Network Wiring
CAUTION: In order to ensure optimum performance over the full range of your
installation topology, Crestron Certified Wire, and only Crestron Certified Wire,
should be used. Failure to do so, may incur additional charges if support is required
to identify performance deficiencies as a result of using improper wire.
CAUTION: Use only Crestron power supplies for Crestron equipment. Failure to
do so could cause equipment damage or void the Crestron warranty.
CAUTION: Provide sufficient power to the system. Insufficient power can lead to
unpredictable results or damage to the equipment. Please use the Crestron Power
Calculator to help calculate how much power is needed for the system.
NOTE: When installing network wiring, refer to the latest revision of the wiring
diagram(s) appropriate for your specific system configuration, available from the
Downloads | Product Manuals | Wiring Diagrams section of the Crestron website
(www.crestron.com)
When calculating the wire gauge for a particular Cresnet run, the length of the run
and the power factor of each network unit to be connected must be taken into
8 • TV & FM Radio Tuner: C2N-TTVFM Operations Guide - DOC. 6266A
.
Crestron C2N-TTVFMTV & FM Radio Tuner
consideration. If Cresnet units are to be daisy-chained on the run, the power factor of
each unit to be daisy-chained must be added together to determine the power factor
of the entire chain. If the unit is a home-run from a Crestron system power supply
network port, the power factor of that unit is the power factor of the entire run. The
length of the run in feet and the power factor of the run should be used in the
resistance equation below to calculate the value on the right side of the equation.
Resistance Equation
R <
The required wire gauge should be chosen such that the resistance value is less than
the value calculated in the resistance equation. Refer to the following table.
Wire Gauge Values
RESISTANCE WIRE GAUGE
4 16
6 18
10 20
15 22
13 Doubled CAT5
8.7 Tripled CAT5
NOTE: All Cresnet wiring must consist of two twisted pairs. One twisted pair is the
+24V conductor and the GND conductor, and the other twisted pair is the Y
conductor and the Z conductor.
NOTE: When daisy-chaining Cresnet units, strip the ends of the wires carefully to
avoid nicking the conductors. Twist together the ends of the wires that share a pin on
the network connector, and tin the twisted connection. Apply solder only to the ends
of the twisted wires. Avoid tinning too far up the wires or the end becomes brittle.
Insert the tinned connection into the Cresnet connector and tighten the retaining
screw. Repeat the procedure for the other three conductors.
40,000
L x PF
Where:
R = Resistance (refer to table below).
L = Length of run (or chain) in feet.
PF = Power factor of entire run (or chain).
Identity Code
Every equipment and user interface within the network requires a unique identity
code (Net ID). These codes are two-digit hexadecimal numbers from 03 to FE. The
Net ID of each unit must match an ID code specified in the SIMPL Windows
program. Refer to “Setting the Net ID in Device Settings” on page 15 for details of
the SIMPL Windows procedure.
Refer to the note on page 32 for
a definition of Viewport.
Operations Guide - DOC. 6266A TV & FM Radio Tuner: C2N-TTVFM • 9
The Net ID of the TV/FM Tuner has been factory set to 47. The Net IDs of multiple
TV/FM Tuners in the same system must be unique. Net IDs are changed from a
personal computer (PC) via the Crestron Viewport.
NOTE: For detailed information on establishing communication between the PC and
control system, refer to “Communication Settings” on page 32. If communication
cannot be established, refer to the “Troubleshooting Communications” section in the
respective Operations Guide for the control system.
TV & FM Radio Tuner Crestron C2N-TTVFM
There are two different methods—Method A or Method B—for setting the
C2N-TTVFM Net IDs:
Method A (Cresnet address-settable ID), described below, applies to C2N-TTVFMs
in a Cresnet system with a CNX control system or with a 2-Series control system
upgrade file (CUZ) version prior to 3.008, but can be used with later versions of
firmware and requires that a single unit be the only network device connected to the
control system.
Method B (Touch Settable IDs), which begins on this page, applies to
C2N-TTVFMs in a Cresnet system with 2-Series control system upgrade file (CUZ)
version 3.029 or later. These upgrades enable Touch Settable ID (TSID)
functionality, which makes it possible for the control system to recognize a network
device via its serial number, which is stored in the device’s memory. This method
does not require that any devices be disconnected from the network; Net IDs may be
set with the entire Cresnet system intact. This method requires the use of the
Crestron Viewport version 3.35 or later.
Use the appropriate method to set the C2N-TTVFM Net ID.
Method A (Cresnet address-settable ID)
1. Ensure that the C2N-TTVFM is the only device connected to the
control system.
2. Open the Crestron Viewport.
3. From the Viewport menu, select Functions | Set Network ID. The
software checks the baud rate and then opens the "Set Network ID"
window.
4. In the "Set Network ID" window, select the TV/FM Tuner from the
Current Network Devices text window.
5. Select the new Net ID for the TV/FM Tuner from the Choose the new network ID for the selected device (Hex): text box.
6. Click Set ID to initiate the change. This will display the "ID command
has been sent" window.
7. In the "Command Complete" window, click OK.
8. In the Current Network Devices text window, verify the new Net ID
code.
9. In the "Set Network ID" window, click Close.
NOTE: The new Net ID code may also be verified by selecting Diagnostic |
Report Network Devices in the Viewport (alternately, select F4).
10. Repeat this procedure for each TV/FM Tuner to be added to the
system.
Method B (Touch Settable IDs)
Before using this method, you should have a list of all current network devices and
their Net IDs, to avoid assigning duplicate IDs.
Set Net ID by TSID
These procedures are for TSID-enabled network devices during the initial
configuration of a Cresnet system or when such devices are being added/replaced.
10 • TV & FM Radio Tuner: C2N-TTVFM Operations Guide - DOC. 6266A
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