Masterclock CLKTCD18, CLKTCD15, CLKTCD12 User Manual

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Masterclock CLKTCD Series Analog Clocks – User Manual – January 2013

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The CLKTCD series of analog clocks

are designed to display precise time
referenced from a Time Code source,
like SMPTE or IRIG-B.

The CLKTCD clock contains a
stepper motor drive with an advanced
microprocessor and electronics to
rapidly and automatically synchronize
the hands on the face of the clock.

Thank you for your purchase of a new
TCD analog clock from Masterclock

Here you’ll find instructions for

unpacking and installing your clock,
proper care and configuration.

We are here to help.

You can reach us using various contact
methods (phone, email, etc.) found at
our website: www.masterclock.com

Before calling, please attempt to find
the answer to your situation in this user

manual. You’ll find it will handle

virtually all of your questions.

Disclaimer - The material in this
document is for information only and
subject to change without notice. While
reasonable efforts have been made in
the preparation of this document to
assure its accuracy, Masterclock, Inc.
assumes no liability resulting from
errors or omissions in this document, or
from the use of the information
contained herein. Masterclock, Inc.
reserves the right to make changes or
revisions in the product design or the
product manual without reservation
and without obligation to notify any
person of such revisions and changes.

There are no user serviceable parts inside CLKTCD analog
clocks. Please contact Masterclock, Inc. (back page) if you
require servicing or repair.

Do not expose this clock to temperatures outside the range
of 32˚ to 140°F (0˚ to 60˚C). Placing it in an environment
that is too cold or humid may damage the unit. Do not
place heavy objects on top of this clock or use excessive
force on it. Never use benzene, paint thinners, detergent or
other chemical products to clean the outside of this clock.
Such products will disfigure and discolor the casing.

See radio frequency emissions precautions (page 10).

Only qualified persons are authorized to carry out

maintenance on this device. Read this User’s Manual

carefully, and follow the correct procedure when setting up
the device. Do not open your Masterclock product or
attempt to disassemble or modify it.

Table of Contents

Introduction ............................................................................... 3

Features ...................................................................................... 4

Unpacking and Installation .......................................................... 5

Back of Your Clock ....................................................................... 5

Mounting Bracket ........................................................................ 6

Radio Frequency Emissions ........................................................ 9

Operation ................................................................................... 10

Configuration ............................................................................. 12

TCD-Set Configuration ............................................................... 17

USB Device Driver ...................................................................... 20

Using TCD-Set............................................................................. 21

Specifications ............................................................................. 23

Troubleshooting ......................................................................... 25

Compliance ................................................................................ 28

Care and Cleaning ...................................................................... 30

Masterclock CLKTCD Series Analog Clocks – User Manual – January 2013

Limited Warranty ....................................................................... 32

Service Information ................................................................... 33

Contact Us .................................................................................. 34

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Please refer to the “Specifications”
section of this document (page 23) for
additional details on each clock model.

Introduction

The CLKTCD series of Masterclock Time Code analog clocks

take their signal from a Time Code servers, like SMPTE or IRIG­B. They are fully configurable using TCD-Set software (page 17).

They contain a stepper motor drive and advanced
microprocessor controlled electronics to rapidly and
automatically synchronize the hands to adjust for Leap Second
and Daylight Savings Time in a maintenance-free, reliable and
quiet operation.

Clock options include rim lighting for nighttime visibility and a
variety of clock faces including 12- and 24-hour, plus tic marks
(no numerals, page 4).

The second hand may be preset to “tick” or “sweep.”

These clocks are designed for indoor use only.

Time Code

There are several forms of Time Code with EBU, IRIG-B
and SMPTE the most commonly used in Masterclock
devices.

IRIG-B

Defined by the Range Commanders Council, U.S. Army White
Sands Missile Range. IRIG (Inter-range Instrumentation Group)
is used by military, government, power industry and many
other commercial and industrial applications. The CLKTCD
decodes IRIG-B in both a 1 kHz modulated (IRIG-B1) and un­modulated/pulse width coded/DC level shifted (IRIG-B0)
format. All formats of IRIG-B Time Code decoded by the
CLKTCD use the time of year information BCD (Binary Coded
Decimal). All formats of IRIG-B Time Code decoded by the
CLKTCD also use the extended year/date and Time Zone
information in the control functions as defined by the IEEE
1344 specification. SBS (Straight Binary Seconds) information is
not decoded. Manchester format/encoding is not supported.

The CLKTCD can be configured for world-wide Time Zone offset
and automatic DST (Daylight Saving Time) adjustment and
allows for reliable, accurate and maintenance free operation.
Use of the automatic DST feature requires that the clock be
enabled to accept the Time Code date encoding, using the USB
port and TCD-Set (Clock Time Code Display) USB Configuration
Utility (i.e. Windows software application). The Time Code
reference must provide date encoding in the control bits/fields
to the Masterclock/Leitch date encoding standard for SMPTE
or the IEEE-1344 year encoding for IRIG-B.

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Masterclock CLKTCD Series Analog Clocks – User Manual – January 2013

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Please refer to the “Specifications”
section of this document (page 34) for
additional details on each clock model.

The CLKTCD does not support decoding
of SMPTE drop-frame, reverse running,
VITC, NTSC, color frame, blackburst or
other video time code formats and
synchronization options.

Below:

CLKTCD12 – 12” (30cm) TCD clock

Powder coated steel case
12-hour faceplate.

CLKTCD15 – 15” (38cm) TCD clock

Stainless steel case
12-hour faceplate

CLKTCD18 – 18” (45cm) TCD clock

Stainless steel case
Tick mark faceplate (option)
Illumination (option)

Features

SMPTE

This Society of Motion Picture and Television Engineers format
is available in frame rates of 24, 25, and 30 frames second. The
CLKTCD Time Code clock supports all three formats. All formats
of SMPTE Time Code decoded by the CLKTCD use the full date
information in the user bits as defined by Leitch, Inc.

 RTC (Real Time Clock) backup retains time during loss

of power or reference

 Self-correcting hands once power and/or Time Code

reference is re-established

 Time Zone offsets (to one second resolution)

supports any biasing requirements

 DST configuration
 TCXO (Temperature Compensated Crystal
 Oscillator) for ± 1 minute per year accuracy without a

reference signal (freewheeling)

 All configuration settings retained in

non-volatile flash memory

 Second hand with sweep or step option
 Status LED (Light Emitting Diode) on clock face,

located at the 6 o’clock position

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CD- ROM

IEC power cord

(select power option when ordering)

Unpacking and Installation

YOUR CLKTCD CLOCK PACKAGE INCLUDES:

The list below is for illustration purposes.
Refer to your sales order for actual items shipped.

 CLKTCD analog clock
 Mounting bracket with retaining screw
 CD-ROM (TCD-Set, USB Configuration

Utility and User Manual)

 Power cord

The Back of Your Clock

AC POWER

The AC models are supplied with an IEC power cord (above).

SIGNAL

Connect the 50 ohm (Ω) RG59 coaxial cable (not supplied) to
the BNC connector, located on the back panel.

MOUNTING

The CLKTCD analog clock is designed for both wall and ceiling
mount (model dependent). Power and low voltage signal
wiring should be installed according to local electrical codes, so
to access the back of the clock. See page 6.

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Do not route power or
signal cables between

the case and the wall
(along the exterior of

the wall)

Mounting Bracket

DIP SWITCHES, USB PORT, CALIBRATION BUTTONS

For DIP switch information see page xx. For USB port
information see page 12. For information on the hand
calibration buttons, see page 15.

The CLKTCD series of analog clocks is designed for both wall
and ceiling mounts (model dependent). Power and low voltage
signal wiring should be installed according to local electrical
codes to access the back of the clock.

12” AND 15” MODEL WALL MOUNT

On the 12” and 15” models a mounting bracket is supplied to
fit on either a standard 2”x 4” or 4” x 4” conduit box.

1. Mount the bracket on the wall/conduit box.

2. Attach the RG59 coaxial cable and AC power cord

3. Secure the clock to the bracket using the supplied

retaining screws.

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12” DUAL FACE CEILING MOUNT

The dual face mounting bracket supplied, allows the 12” dual

face clock to be mounted on the wall or from the ceiling,
depending on the specific version.

1. Attach the Time Code cable and power.

2. Secure the clock to the bracket using the supplied screws.

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18” WALL MOUNT BRACKET

The 18” model has two (2) keyhole slots in the back panel that
are placed 7” (17.78 cm) apart. Use an appropriate anchoring
method to hang the clock on the wall.

Keyhole slot measurements

Diameter .209” (5.31 mm)

Keyhole to keyhole 7” (17.78 cm)

Clock center to keyhole 5.693” (14.46 cm)

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This CLKTCD analog clock has been tested

and found to comply with the limits for a

Class B digital device, pursuant to Part 15

of the FCC Rules. These limits are

designed to provide reasonable

protection against harmful interference in

a residential installation.

Only qualified persons are authorized to

carry out maintenance on this device.

Read this User’s Manual carefully, and

follow the correct procedure when setting

up the device. Do not open your

Masterclock product or attempt to

disassemble or modify it.

Never insert any metallic object into the
clocks case, doing so increases the risk of

electrical shock, short circuiting, fire or

personal injury.

Never expose your clock to rain, or use it
near water or in damp or wet conditions.
Never place objects containing liquids on

or near this clock, as they may spill into its

openings increasing the risk of electrical

shock, short circuiting, fire or personal

injury

Radio Frequency Emissions and Operating Environment

RADIO FREQUENCY EMISSIONS

The CLKTCD series of clocks generate, use and can radiate radio
frequency energy. If not installed and used in accordance with
the instructions, this RF energy may cause harmful interference
to nearby radio communications. There is no guarantee that
interference will not occur in a particular installation. If this
clock does cause harmful interference to radio or television
reception, which can be determined by removing power from
the clock, the user is encouraged to try to correct the
interference by one or more of the following measures:

1. Connect the clock’s AC power cord into an outlet on a

different circuit than other devices.

2. Increase the physical distance between the clock and

other devices.

3. Contact technical support.

Operation

After applying power, the CLKTCD will go through an internal
checkout. UTC (Universal Coordinated Time) from the RTC
(Real Time Clock) backup will then be displayed plus any Time
Zone and/or DST offsets, until a Time Code signal is acquired. If
Time Code is not “locked”, the red status LED will be on solid
until Time Code is acquired.

STATUS LED

The red LED on the CLKTCD clock face, located at the 6:00
indicates;

OFF

The clock acquired valid Time Code and has synchronized its
internal RTC to the Time Code reference. The internal clock
time is considered accurate. The clock hands may be
adjusting/correcting rapidly either clockwise or counter­clockwise during a correction.

ON SOLID

The clock is not able to decode the Time Code reference or a
reference is not present. Time displayed on the face of the
clock is based upon internal and TCXO and should not be
considered accurate.

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The hands of the CLKTCD cannot be set

manually. Do not attempt to open the

clock to access the hands. This action will

void your warranty. This device has no

user serviceable parts inside.

CORRECTION BEHAVIOR

The correction cycle engages when there’s a change to the

internal RTC reference as compared to the Time Code
reference.

1. While acquiring Time Code

 Initial startup
 After loss of power
 After loss of Time Code

2. Changes to the clock’s configuration

 DIP switch settings
 TCD-Set configuration utility
 Reset device

HAND POSITION

Once configured and powered, the hands will automatically set
adjust to the Time Code reference, plus any Time Zone and/or
DST offsets.

If for any reason the clock hands become slightly out of
alignment, a calibration setting function has been provided in
TCD-Set Configuration Utility (page 17) or using the buttons
located on the back.

The CLKTCD series can be configured using one of the following
methods:

1. DIP Switches and buttons

If the configuration software is used to configure the clock,
the DIP switch settings will be ignored or over-ridden. In
order to restore the configuration mode to the use of the
DIP switches, the unit must be reset to the factory default
mode.

2. TCD-Set Configuration Utility via the USB port.

TIME ZONE OFFSETS

All Time Code analog clocks maintain time as UTC.

A Time Zone offset or bias can be used to adjust the time for
display purposes. A bias can be set as a positive (+) offset
indicating that the unit leads the UTC time or negative (-) offset
value indicating the unit lags behind UTC time. An offset with a
resolution of one half hour (via DIP switches) or 1 second (via
TCD-Set configuration utility) can be achieved.

If the Time Code input to the analog clock is not UTC, do not
adjust the Time Zone and/or DST offset.

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DAYLIGHT SAVINGS TIME

An automatic DST setting can be configured separately and in
addition to a Time Zone offset.

For SMPTE Time Codes, date must be encoded to the Leitch
specification. IRIG-B date decoding is supported for the IEEE
1344 standard.

The incoming Time Code must have the date encoded in a
format recognized by the CLKTCD for DST adjustments to be
performed. For best reliability Masterclock recommends a
Time Code reference that encodes full date information, such
as the Masterclock GPS200A Time Code generator.

DST now begins on the second Sunday of March at 2:00 AM
(Local Time) and end the first Sunday of November at 2:00 AM
(Local Time).

EU STANDARD – EUROPEAN UNION

In the European Union, daylight change times are defined
relative to the UTC time of day instead of local time of day (like
in the U.S.). For the European Union, Summertime Period
begins at 1:00 AM UTC on the last Sunday of March and ends at
1:00 AM UTC on the last Sunday of October. European
customers, please page 14 for details on setting Summertime
Period.

To ensure proper hands-free year-around operation, DST
adjustments must be configured using the daylight time option
and not with the Time Zone offset option.

FREEWHEELING ACCURACY

The CLKTCD has built-in provisions to allow the clock to
freewheel and maintain accuracy for extended periods in the
absence of Time Code. These features also allow the unit to be
set manually and operate without Time Code.

TCXO AND RTC CIRCUIT

The CLKTCD contains a precision TCXO and RTC circuit allowing
the clock to maintain an accuracy of ±1 minute per year to the
last known Time Code input (± 165 mS per day) when Time
Code is not preset or cannot be decoded (i.e. freewheeling
mode).

MAINTENANCE-FREE RECHARGEABLE BATTERY

The RTC and TCXO are maintained continuously from a
rechargeable battery circuit during periods of power outage.
Minimum holdover period is two weeks once the battery is
charged. The battery will automatically charge when the unit is
next powered and requires no maintenance.

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Setting

Configuration Selection

Disabled

Time Zone Offset

Disabled

Time Code Date/Year Encoding

Configuration

NON-VOLATILE CONFIGURATION

The clock configurations are maintained in non-volatile
memory allowing the current settings to be retained during
power outages.

The CLKTCD may be configured using DIP switches or by the Windows
software application TCD-Set Configuration Utility via the USB port.

Masterclock TCD analog clocks ship from the factory with all
DIP switch and software configuration offset options set to
[OFF] in order to display UTC time.

This is the factory default configuration is defined as:

DIP SWITCHES

Basic operation of the TCD analog clock is configured via
the DIP switch banks accessible on the left hand side of
the rear electronics cover.

The TCD analog clock will accept switch changes
dynamically. It is not necessary to restart or cycle the
power for the device to accept the new settings.

DIP switch bank 1 (S1) configures Time Zone Offset and
Daylight Savings Time

S1.1, S1.2, S1.3, and S1.4 Time Zone hour offset:

Hour offset S1.1 S1.2 S1.3 S1.4

0 hour (default) OFF OFF OFF OFF
1 hour offset ON OFF OFF OFF
2 hour offset OFF ON OFF OFF
3 hour offset ON ON OFF OFF
4 hour offset OFF OFF ON OFF
5 hour offset ON OFF ON OFF
6 hour offset OFF ON ON OFF
7 hour offset ON ON ON OFF
8 hour offset OFF OFF OFF ON
9 hour offset ON OFF OFF ON
10 hour offset OFF ON OFF ON
11 hour offset ON ON OFF ON
12 hour offset OFF OFF ON ON

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Quick Reference Guide

Time Zone & DST Switch Settings for US/Canada

US/Canada Standard Pre 2007

US Standard Post 2006

S1.5

Additional ½ hour time offset
(as set by switch positions 1-4).

Function S1.5

Time offset is negative (default) OFF
Time offset is positive ON

S1.6

Negative/Positive Time Zone offset
(as set by switch positions 1-5).

Function S1.6

No ½ hour offset (default) OFF
Enable ½ hour offset ON

S1.7 and S1.8

Daylight Savings Time adjustment

Function S1.7 S1.8

Disabled OFF OFF
(default)

US/Canada DST enabled ON OFF
(US standard up to Fall 2006)

US DST enabled OFF ON
(US standard since Spring 2007)

EU DST enabled ON ON

(European Union)

The incoming Time Code must have a date encoded in a
format recognized by the TCD analog clock for daylight
savings time adjustments to be performed. The Time
Code date encoding Switches S2.1 and S2.2 must be set
to enable the decoding of these control bits/fields.

DIP switch bank 2 (S2) configures how Time Code Control
Bits/Fields are handled.

S2.1 and S2.2

Time Code Control Bits or Control Fields

Hour offset S2.1 S2.2

No additional encoding (default) OFF OFF
IRIG 1344 & SMPTE Leitch ON OFF

Reserved for future use OFF ON
Reserved for future use ON ON

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S2.3 and S2.4

Controls the face plate illumination level,
if your clock has this option installed.

Illumination Level (Brightness) S2.3 S2.4
0% (default) OFF OFF
35% ON OFF
70% OFF ON
100% ON ON

S2.5

Reserved for future use.

Function S2.5

Reserved (default) OFF
Reserved ON

S2.6

Sets the second hand motion mode

Function S2.6

Sweep or continuous (default) OFF
Step (pulse) ON

S2.7

Calibrate hands to position. Used in conjunction with S2.8
“ON” to set the clock hands

Function ` S2.7

Set to 12:00:00 (default) OFF
Set to 6:00:00 ON

S2.8

Used in conjunction with S2.7 to set the clock hands

Function S2.8

Run (default) OFF
Set ON

Once the clock has been configured with the TCD-Set
app, the switch settings will be overridden and the unit
will ignore all settings until reset to factory default

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HAND CALIBRATION

The CLKTCD analog clock hands have been pre-set and aligned
at the factory. This hand location and alignment information is
retained in non-volatile flash.

The visual determination of the accuracy of the hand display
should be done by comparing the clock hands only after the
TCD analog clock indicates that it is synchronized to Time Code
and then only to a digital display or other reference that has
also been locked, preferably to the same Time Code reference .
The reference display should be set adjacent to the TCD analog
clock and eye movements should be minimized when doing
comparisons.

To adjust the hands

1. Select “Set” using switch S2.8 [ON}.

2. Select either the 12:00:00 [OFF] or 6:00:00

[ON] position using switch S2.7.

3. Depress and release either button [B1] or [B2] to move the

hands in the desired direction for either 12:00:00 o’clock
or 6:00:00 o’clock. After releasing the button, the hands

will rotate in the desired direction until any button is
pressed. This feature allows for easier setting of the hands.

4. Depress and hold [B1] or [B3] down for 10 seconds to

advance rapidly, then release.

5. The hands will rotate rapidly until any button is pressed.

6. Stop the hands a few seconds before the desired position.

7. Fine-tune the second hand position to the center of the 12-

indicator mark by pressing [B3] to move the second hand in the
forward direction incrementally.

8. Verify the final hand positions.

All hands (hour, minute and second) point to center of 12 tic
mark

– or –

Hour hand points to center of 6, minute and second point to
center of 12 tic mark.

9. Change S2.8 to “Run” mode [off].

The new hand alignment settings are stored in non-volatile flash. The
clock hands will adjust to the new settings and display the time after
several moments.

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DEFAULT CONFIGURATION

The TCD analog clock ships from the factory with all S1
DIP switches in the [off] position. This default
configuration results in the time displayed as:

Time Zone Offset: None

Daylight Savings Time: Disabled

Time Code Date Encoding: Disabled

RESET FACTORY DEFAULT
CONFIGURATION

In some situations (e.g. a lost password) it may be necessary to return
the clock to its factory default configuration.

1. Remove AC power from the device.

2. Press and hold both [B1] and [B3] simultaneously.

3. After applying power, continue holding both buttons for

10 seconds and then release.

4. The Time Code clock configuration will now be reset and

the unit will default to using the current DIP switch
positions.

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SETTING

CONFIGURATION SELECTION

Disabled

Time Zone offset

Disabled

Daylight Savings Time

Enabled

Time Code client with DHCP

Enabled

24 Hour format

TCD-Set Configuration

Masterclock TCDS clocks are configured on screen using
the Windows software app, TCD-Set Configuration
Utility. (See Installation details on page 17.)

The TCD analog clock ships from the factory with “Time
Zone/Time Offset” options set to OFF in order to display
UTC time. The TCDS interprets the incoming Time Code as
UTC.

DEFAULT CONFIGURATION RESTORATION

The factory defaults may be restored by using the TCD­Set program, Telnet, or by using the reset button at the

rear of each clock. On dual face clocks, the reset button is
located on top.

Your TCDS clock/device ships from the factory with the
following configuration (at left). The firmware interprets
the incoming time as UTC.

Masterclock TCDS clocks maintain their configuration
data in non-volatile flash memory, even when the power
is off.

DEVICE NAME/DHCP NAME REGISTRATION

As mentioned earlier, all network devices should be

provided with a custom name (e.g. “reception-north-
wall”). By default, device names are the product name
abbreviation followed by the last octet of the device’s

MAC (Media Access Control) address (e.g. TCDS12-04:F7).

If a DHCP server is networked when the Time Code device
is installed, the unit will be auto-registered with the DHCP
server. The network system administrator can then view
this DHCP name registration and the currently assigned IP
address at the DHCP server.

DEFAULT PASSWORD

The factory-default password for the network device is:

“public.” Please use lower case.

RESET FACTORY DEFAULT CONFIGURATION

In some situations (such as a lost password) it may be
necessary to return your device to its factory default
configuration. A [RESET] button is located either on the
clock’s rear cover (on single-face clocks) or on top (on
dual-face clocks).

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TCD-Set Installation

TO RESET THE CONFIGURATION
TO FACTORY DEFAULT:

Press and hold the reset button for 10 seconds (until

dashes appear on the digits) and then release. The
configuration will now be reset, including the password.
The unit will need to be reconfigured to your custom
settings.

To install the TCD-Set complete the following steps:

Insert the CD that shipped with your network device.

1. Run the “RunShellExecute.exe” application from the CD.

2. Approve all subsequent queries.

3. Your browser window opens to the Time Code Products

webpage of www.Masterclock.com.

4. Click on a TCDS product to bring you to the products page.

5. Click [Installer].

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6. Click [Next] on the “Install Wizard.”

7. Accept the “Software License Agreement” and click

[Next].

8. Type in your user name and organization and click [Next].

9. When you are ready to install, click Install.

10. On the “Custom Setup” page, click [Next].

11. Installation is complete. Click [Finish].

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USB A cable

(to computer)

USB B cable

(to clock)

USB B port on clock

(back panel view)

Device Manager

Device Manager with correct USB Device Driver

USB Device Driver

A USB type B port has been included on the rear cover of
the clock to configure the clock to allow for firmware
upgrades, corrections and enhancements.

INSTALLING THE DEVICE DRIVER

First, power-on the clock. Next, use a USB cable (not
supplied) and connect the clock to your PC. The Windows
Plug and Play manager will detect a new USB device and
request device drivers. If Windows is unable to install the
USB device drivers, the system will send an alert.

Open “Device Manager” and locate [Time Code Display]
listed under “Other devices.” Right click the device and
click on [Update Driver Software.] This will need to be
performed for both USB device drivers (i.e. COM and
BUS).

There are two locations for the USB Device Driver:

1. C:\ Program Files\Masterclock\TCD-Set \Drivers\

2. CD labeled, “Time Code Products”

X:\Products\TCDS\Drivers\

Note: “X” is the CD/DVD drive letter of your Windows PC.

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Using TCD-Set

HOW TO OPEN TCD-SET

Open the configuration app, TCD-Set, from the “Start
Menu” (perhaps under the “Masterclock” category or by

double-clicking the shortcut icon on the desktop). If you
have your clock and Time Code device hooked up by USB
cables to your computer, the Local Time showing up on

your device and clock should also appear on your “TCDS
Digital Clock - Set” window (at left).

On the left you’ll see windows for the status of your

current [Local Time], [UTC Time] and [Time Code Status.]
This information is continually updated. The [Local Time]
field is displayed in the 24-hour format, even if the clock’s
display is set to the 12-hour format. This display update is
not precise, but is meant to give you a view of the clock
display time for basic troubleshooting and maintenance
purposes. The TCDS can be configured to display local
time using the [Time Zone] and [Daylight Savings Time]
settings. These offset changes are made relative to UTC
time. The clock always interprets the incoming Time Code
as UTC.

On the right you’ll see seven buttons:

1. [Time Zone]

2. [Daylight Savings Time]

3. [Time Code Settings]

4. [Display Properties]

5. [Apply]

6. [Set To Default Configuration]

7. [Set Date Time]

TIME ZONE

Modify the Time Zone offset by clicking the [Time Zone]
button. This opens a new window that gives you a list of
Time Zones, including descriptions to help with the
selection. Select the desired Time Zone and click [OK] to
close the window. Changes are applied as you click [OK].

DAYLIGHT SAVINGS TIME

Configure and/or enable the “Daylight Savings Time”

function by clicking the [Daylight Saving Time] button.
North American and European Union DST settings are
entered by clicking the appropriate button: [US Standard]
or [EU Standard]. Daylight Savings Time configurations
will be applied when you click [OK]. Here (at left) the
US/Canada standards have been selected.

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TIME CODE SETTINGS

This product contains an automatic detection and gain
control circuit for the incoming SMPTE 30/25/24 fps
longitudinal/linear Time Code or for IRIG-B(0) pulse width
modulated or IRIG-B(1) amplitude modulated Time Code.

To support common SMPTE/IRIG-B standard Time Codes
without date/year encoding to the aforementioned
standards, an option to ignore the date information
encoded in the Time Code is provided.

DISPLAY PROPERTIES

The settings on this window (at left) control how the clock
displays time, date and level of display digit brightness.

Display Properties configurations will be applied after you
click [OK] and then click [Apply] from the main window,

“TCD Digital Clock - Set”.

SET DATE TIME

The “Set Date Time” window lets you manually set the

time and date for the clock. This may be most useful for
lab situations. The clock keeps time via its internal
precision oscillator and RTC when Time Code is not
present. The time can be set either to the time of the
Windows PC or a manual time and date can be entered.

Practical use of this feature requires the clock to be
removed from any and every Time Code source. When
the clock has access to a valid Time Code source,
information obtained via Time Code will immediately
overwrite any manually established time/date.

SET TO DEFAULT CONFIGURATION

The user may set the configuration to the factory default
settings. The user will be prompted with the message
window at left.

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Communications I/O

USB ........................................................... B type connect

Format ...................................................................... .v1.1

Time Code Formats

SMPTE 30 fps ............. Masterclock/Leitch Date Encoding

SMPTE 25 fps (EBU) ... Masterclock/Leitch Date Encoding
SMPTE 24 fps (FILM) Masterclock/Leitch Date Encoding
IRIG-B pulse width modulated

IEEE – 1344 Year Encoding

IRIG-B(1) amplitude modulated

IEEE – 1344 Year Encoding

Time Code Type

LTC (Longitudinal/Linear Time Code), forward running,

automaticdetection and automatic gain adjustment

Time Code Formats (extended)

SMPTE 24(Film), 25(EBU) or 30fps non-drop frame

IRIG-B(1) 1kHz amplitude modulated 3:1 ratio

IRIG-B(0) DC offset/level shifted

/un-modulated/pulsewidth modulated/TTL level

Specifications

Masterclock CLKTCD Series Analog Clocks – User Manual – January 2013

Nominal Level ............................. 1.Vpp (0dB/600dB)

Level Range ............ 0.175-12 Vpp (-15dBV to 20dBV)

Impedance ..................................................... > 50 KΩ

Connector .... BNC female, Single Ended, unbalanced

Center pin ............................................ Time Code In

Outer Conductor .......................... Time Code Return

POWER REQUIREMENTS

AC OPTION

AC input voltage ... 100-240 VAC ±10% (90-264VAC)

AC input frequency ...................................... 47-63 Hz

AC input connector ...................... Universal IEC input

AC power consumption ..................................... 10 W

25

Physical Size
Diameter

Depth

Dual Face
Depth

Clock Face

Diameter

Weight
Round

Stainless
Dual Face

Material
Case

Lens

CLKTCD12

CLKTCD15

CLKTCD18

CLKTCD30

preliminary product

12.5” (31.8 cm)

4.25” (10.8 cm)

12.5” (31.8 cm)
6” (15.2 cm)

14.9” (37.85 cm)

4.08” (10.35 cm)

NA
NA

18” (45.7 cm)

5” (12.7 cm)

NA
NA

30” (76.2 cm)

3.31” (8.4 cm)

NA
NA

12” (30.5 cm)

14.9” (37.85 cm)

16” (40.6 cm)

30” (76.2 cm)

7.6 lb (3.5 kg)

7.6 lb (3.5 kg)
11 lb (5 kg)

7.0 lb (3.18 kg)

7.0 lb (3.18 kg)
NA

NA

11.4 lb (5.1 kg)
NA

31.28 lb (14.19 kg)

31.28 lb (14.19 kg)
NA

Powder Coated Steel

Polycarbonate

Powder Coated Steel

Polycarbonate

Stainless Steel

Polycarbonate

Stainless Steel

Acrylic

SIZE AND WEIGHT

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26

Clock hand alignment settings are

maintained in non-volatile flash and

are not affected by either loss of power

or internal battery voltage.

MAINTENANCE FREE RECHARGEABLE BATTERY

3V, 17 mAh, coin cell

Rechargeable manganese lithium

Panasonic ML1220/V1A

Rechargeable manganese lithium coin cell (Panasonic ML1220)
and recharging circuit requires no maintenance and retains all
configuration settings for two weeks (minimum holdover)
without applied external power.

OPERATING PARAMETERS

Operating Temperature 32˚ to 140°F (0˚ to 60˚C)

Relative Humidity 0 to 90%, non-condensing

Storage Temperature -40° to 185°F (-40° to 85°C)

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Troubleshooting

PROBLEM:

The time is incorrect.

Red status LED is always on.

Possible reasons/solutions:

The TCD analog clock is not currently connected to a valid Time
Code reference.

There is a problem with the cabling between the TCD analog
clock and the Time Code reference. Verify that all cables and
connectors are in good condition.

There is a ground loop or other type of interference between
the TCD analog clock and the Time Code reference. Verify that
a common ground exists between the TCD analog clock and the
Time Code reference. If the cabling distance between the Time
Code reference and the TCD analog clock is large you might
consider inserting an audio distribution amplifier or a
Masterclock TCA100 Time Code amplifier in-line.

The signal level of the incoming Time Code is out of the range
of the CLKTCD’s Time Code decoder’s circuitry. See the CLKTCD
specification section for acceptable signal level ranges.

The Time Code reference, to the CLKTCD is not a recognized
format. Verify that your Time Code reference is providing one
of the Time Code formats that the CLKTCD can decode.

PROBLEM:

Not displaying the correct [local] time.

Possible reasons/solutions:

1. The unit is not receiving Time Code. Verify that the front

LED status indicator is off.

2. The Time Code reference is referenced to UTC but your

local Time Zone has not been configured.

3. Your DIP switch settings for DST may have been

overridden by TCD-Set configuration utility.

4. You may be seeing the result of a double offset. Determine

the Time Zone reference of your Time Code reference and
then set the CLKTCD’s Time Zone offset to arrive at a
correct local time.

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 If the Time Code reference is already providing Time

Code with local Time Zone and/or DST offsets, then
set the Time Zone and/or DST offset of the clock to
UTC.

 If the Time Code reference is providing UTC Time

Code, then configure your clock to have a local Time
Zone and/or DST offset.

5. Your Time Code reference is not providing the time/date

that you expect. Contact the individual responsible for the
Time Code reference for more information.

PROBLEM:

Displayed time [local] is off a small amount.

Possible reasons/solutions:

1. Perception/recognition response time. The average human

ability to visually perceive and recognize time
synchronization and/or instantaneous change between
two visually separated systems is limited due to the
movement of the eyes and the delayed response to
process the data. To reduce this effect:

 Place a digital display adjacent to the clock you are

trying to verify the time on.

 View the clocks from a position that will avoid eye

movements.

 Ensure that both clocks are locked to an accurate

Time Code reference.

 Ensure that both units have the same offset settings

for Time Zone and/or DST.

2. TCD-Set configuration utility’s screen display is a GUI

(Graphical User Interface) that is not being run at the
highest priority level for the system. There will likely be a
delay in processing the data and updating the screen,
therefore it should not be considered an accurate
reference.

3. Ensure that you are not using Drop-Frame SMPTE Time

Code. Drop-Frame Time Code is not supported. Accurate
time cannot be guaranteed with drop-frame Time Code.

4. The clock hands have been incorrectly calibrated with

either the calibration buttons or TCD-Set configuration
utility. See the calibration procedure for details on how to
recalibrate the hands.

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PROBLEM:

DST is not properly negotiated.

The date shown in the status window of TCD-Set configuration
utility is always 01/01/2000.

Possible reasons/solutions:

1. Your Time Code reference is not providing date/year

information. The DST adjustment will not work unless valid
date information is provided. Verify that your Time Code
reference has either date encoding to the Leitch standard
for SMPTE Time Code or year/date encoding to the IEEE
1344 specification for IRIG-B/B1 Time Code.

2. The TC control DIP switches S2-1 and S2-2 have both been

set to off and/or the Time Code date encoding has been
disabled in the TCD-Set configuration utility.

3. Your Time Code reference already provides the DST

adjustment. The DST adjustment in the CLKTCD should be
disabled.

4. You have disabled the DST setting or the incorrect DST

setting was enabled. The CLKTCD has DIP switches for
enabling various modes of DST or disabling the DST option.
In addition to the DIP switches, the TCD-Set configuration
utility may be used to set the DST settings as well as all
configuration settings of the clock. If the TCD-Set
configuration utility is used, it will over-ride the DIP switch
settings.

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Compliance Certification

CE Marking

Electromagnetic Compatibility
89/336/EEC ; 92/31/EC ; 93/68/EEC ; 2004/108/EC

Tested and Conforms to the following EMC standards:

EN61000-6-1:2001 (EMC Immunity Generic Commercial)

EN61000-4-2:2000 (Electrostatic Discharge)

EN61000-4-3 (RF Immunity)

EN61000-4-4 (Fast Transient Common Mode)

EN61000-4-5 (Surge) EN61000-4-6
(RF Injection Common Mode)

EN61000-4-8: 1993 (Power Frequency Magnetic Field)

EN61000-4-11 (Voltage Dips)

EN61000-6-3:2001 (EMC Emissions Generic Commercial)

EN55022:1998+A1:2000 +A2:2003

CISPR22

EN61000-3-2:2000 (Harmonic Current Emission)

EN61000-3-3:1995 + A1:2001
(Voltage Fluctuations and Flicker)

Low voltage directive 2006/95/EC

Tested and Conforms to the following Safety standards

EN60950-1:2001 (Safety of Information Technology
Equipment) Certificated By CELAB

www.celab.com
UCN = 900547007279

®

FCC STATEMENT

This device complies with Part 15 of the FCC Rules and found to
comply with the limits for a Class B digital device. These limits
are designed to provide reasonable protection against harmful
interference in a commercial/residential installation.

Operation is subject to the following two conditions: (1) This
device may not cause harmful interference, and (2) this device
must accept any interference received, including interference
that may cause undesired operation

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Compliant by

Exemption

WEEE

Waste Electrical and Electronic

Equipment Directive (WEEE)
2002/95/EC

The CLKNTD models are considered WEEE

Category 9 (Monitoring and Control
Instruments Equipment) as defined by the
WEEE Directive and therefore fall within the
scope of the WEEE Directive.

For more information about Masterclock’s WEEE compliance
and recycle program, please visit:

http://www.masterclock.com/rohs_compliance.php

Restriction of the Use of
Certain Hazardous Substances
Directive 2002/95/EC

The RoHS directive covers the same scope of electrical and
electronic equipment that are under the WEEE directive,
except that Category 8, Medical Devices, and Category 9,
Monitoring and Control Instruments, which are under WEEE,
are excluded from the RoHS directive.

The time display product CLKNTD fall under the category of
Monitoring and Control Instruments Equipment (Category 9 as
defined in Annex 1A of WEEE 2002/96/EC Directive) which is
excluded from the RoHS directive 2002/95/EC (reference
Article 2, paragraph 1) requirements.

These products are manufactured using lead in the soldering
process as allowed for items excluded from the RoHS directive.
These units are RoHS Compliant only in that they are excluded
from the RoHS directive under Category 9, Monitoring and
Control Instruments

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Care and Cleaning

Adherence to proper cleaning procedures is recommended to
preserve the “like new” appearance of your CLKNTD analog
clock. Scratched and damaged lenses caused by misuse,
mishandling, improper storage, or improper cleaning are not
covered under the limited warranty (page 47)

MINIMIZE HAIRLINE SCRATCHES

Always store the clock face-up in the protective plastic shipping
bag until ready for installation and during transporting to the
installation site. Do not place the clock face (lens surface)
down on any surface as this may scratch or mar the lens.

Scratches and minor abrasions can be minimized by using a
mild automobile polish. Three such products that tend to
polish and fill scratches are Johnson Paste Wax, Novus Plastic
Polish #1 and #2 (Novus, Inc., Minneapolis) and Mirror Glaze
plastic polish (MG M10, Mirror Bright Polish Co., Pasadena). It
is suggested that a test be made on a very small section of the
polycarbonate lens with the product selected and that the
polish manufacturer's instructions be followed.

"DON'T" - VERY IMPORTANT

 Don't store the clock without the protective plastic

shipment bag.

 Don't store or place the clock face down on any surface, as

this may scratch the lens.

 Don't use abrasive or highly alkaline cleaners.
 Don't use paper towels, paper products, rayon, or

polyester cloths to clean or dry the lens.

 Don't scrape the lens with squeegees, razor blades or

other sharp instruments.

 Don't ever use benzene, gasoline, acetone, methyl ethyl

ketone (MEK), muriatic acid, or carbon tetrachloride on
the lens.

 Don't clean lenses in hot sun or on very hot days.

CLEANING THE LENS

The following cleaning agents have been found to be
compatible with the Polycarbonate and Acrylic lens.

Manufacturer's instructions should be followed. Formula 409™
(Clorox Co.), Top Job™ (Proctor and Gamble), VM and P grade
Naphtha Joy™ (Proctor and Gamble), Windex w/Ammonia D™,
Drackett Products), Palmolive Liquid™ (Colgate Palmolive).

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COMPATIBLE CLEANERS AND POLISH

Use these cleaning and polish agents.
Manufacturer's instructions should be followed.

 Magic® Complete™ Stainless Steel Cleaner
 Polish Spray (Magic American Products.

FOREIGN SUBSTANCE REMOVAL

 Use Butyl Cellosolve

(For removal of paints, marking pens, lipstick, etc.)

 Use of adhesive tape or lint removal tools for lifting off old

weathered paints.

 To remove labels, stickers, etc., the use of kerosene,

naphtha, or petroleum spirits is generally effective. When
the solvent will not penetrate sticker material, apply heat
(hair dryer) to soften the adhesive and promote removal.
Gasoline should never be used.

JOB SITE PRECAUTIONS

Remove the clock from the wall and stored face up in its
protective shipment bag during painting and construction.

Contact with harsh solvents such as methyl ethyl ketone (MEK)
or muriatic acid can result in surface degradation and possible
crazing of the polycarbonate.

When the clock is first installed, glazing compound and
masking tape adhesive can be easily removed from the lens by
applying naphtha (VMandP) or kerosene with a soft cloth,
followed immediately with a soap and water cleaning.

STAINLESS STEEL CASE

A cleaner and polish designed for use on stainless steel is
recommended. Use a recommended product to maintain and
protect the stainless steel finish while resisting water spots and
fingerprints.

WASHING TO MINIMIZE SCRATCHING

Wash with a mild soap or detergent (such as 409™ (Clorox Co.)
cleaner) and lukewarm water, using a clean sponge or a soft
lint free cloth. DO NOT USE PAPER TOWELS OR PAPER
PRODUCTS TO CLEAN OR DRY THE LENS. Rinse well with clean
water. Dry thoroughly with a chamois or moist cellulose
sponge to prevent water spots. Do not scrub or use brushes or
abrasives on these products; the UV coating is not mar
resistant. Also do not use butyl cellosolve in direct sunlight.

Fresh paint splashes, grease and smeared glazing compounds
can be removed easily before drying by rubbing lightly with a
good grade of naphtha or isopropyl alcohol. Follow the alcohol
rub with a mild detergent wash with warm water and end with
a thorough rinsing with clean water.

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Limited Warranty

THIS MASTERCLOCK, INC. PRODUCT WARRANTY
EXTENDS TO THE ORIGINAL PURCHASER

Masterclock warrants this product against defects in materials
and workmanship for a period of one year from date of sale. If
Masterclock receives notice of such defects during the warranty
period, Masterclock will, at its option, either repair or replace
products that prove to be defective.

Should Masterclock be unable to repair or replace the product
within a reasonable amount of time, the customer's alternate
remedy shall be a refund of the purchase price upon return of the
product to Masterclock. This warranty gives the customer specific
legal rights. Other rights, which vary from state to state or
province to province, may be available.

EXCLUSIONS

The above warranty shall not apply to defects resulting from
improper or inadequate installation or maintenance by the
customer, customer-supplied software or interfacing,
unauthorized modification or misuse, operation outside of the
environmental specifications for the product or improper site
preparation and maintenance (if applicable).

LIMITATIONS

Masterclock makes no other warranty, either expressed or
implied, with respect to this product. Masterclock specifically
disclaims the implied warranties of merchantability of fitness for a
particular purpose.

In any state or province which does not allow the foregoing
disclaimer, any implied warranty of merchantability or fitness for
a particular purpose imposed by law in those states or provinces
is limited to the one-year duration of the written warranty.

EXCLUSIVE REMEDIES

The remedies provided herein are the customer’s sole and
exclusive remedies. In no event shall Masterclock be liable for any
direct, indirect, special, incidental, or consequential damages,
whether based on contract, tort or any other legal theory.

In any state or province that does not allow the foregoing
exclusion or limitation of incidental or consequential damages,
the customer may have other remedies.

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Service Information

We sincerely hope that you never experience a problem with
any Masterclock product. If you do need service, contact
Masterclock’s Technical Support team. A trained specialist will
help you to quickly determine the source of the problem. Many
problems are easily resolved with a single phone call or email.
If it is necessary to return a unit to us, an RMA (Return
Material Authorization) number will be given to you.

Visit our website to download a current RMA request form.

http://www.masterclock.com/rma.php

Masterclock tracks the flow of returned material with our RMA
system to ensure speedy service. You must include this RMA
number on the outside of the box so that your return can be
processed immediately.

RETURNED MERCHANDISE - RMA POLICY

Our RMA policy is straight forward and is based on
several basic premises

 An item can be returned, subject to several basic

requirements, under our 30-day Satisfaction Guarantee.

 If an item fails within the Warranty Period we will repair and

return it freight prepaid.

 If an item is outside the warranty period and requires repair we

will inspect, repair and return the item to you for a reasonable
charge for the work and the cost for freight.

 If you think an item or system is not working properly we

expect you to read the instruction manual, talk with our
technical support department and make a reasonable effort to
resolve the issue.

 If you return an item to us for repair and the item is found to

work properly then we will charge you an "Analysis and
Inspection" charge plus the return freight.

Please supply us with as many details about the problem as
you can. The information you supply will be supplied to the
repair department before your unit arrives. This helps us to
provide you with the best service, in the fastest manner.

We apologize for any inconvenience that the need for repair
may cause you. We hope that our rapid service meets your
needs. If you have any suggestions to help us improve our
service, please give us a call. We appreciate your ideas and will
respond to them.

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Contact Us

Masterclock, Inc.

2484 West Clay Street

St. Charles, MO 63301 USA

website

www.masterclock.com

USA and Canada

1-800-940-2248
1-636-724-3666

1-636-724-3776 (fax)

International

1-636-724-3666

1-636-724-3776 (fax)

Sales

[e-mail]

Technical Support

[e-mail]

Masterclock CLKTCD Series Analog Clocks – User Manual – January 2013