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ATDDC4 Series Installation & User’s Guide 

Page 12 

 

One Year Limited Warranty 

 

Lathem warrants the hardware products described in this guide against 

defects in material and workmanship for a period of one year from date 
of original purchase from Lathem or from an authorized Lathem 

reseller. The conditions of this warranty and the extent of the 
responsibility of Lathem Time Corporation (“Lathem”) under this 

warranty are listed below. 
1.

 

This warranty will become void when service performed by anyone other than an 

approved Lathem warranty service dealer results in damage to the product. 

2.

 

This warranty does not apply to any product which has been subject to abuse, 

neglect, or accident, or which has had the serial number altered or removed, or 
which has been connected, installed, adjusted, or repaired other than in accordance 
with instructions furnished by Lathem. 

3.

 

This warranty does not cover dealer labor cost for removing and reinstalling the 

machine for repair, or any expendable parts that are readily replaced due to normal 
use. 

4.

 

The sole responsibility of Lathem under this warranty shall be limited to repair of 

this product, or replacement thereof, at the sole discretion of Lathem. 

5.

 

If it becomes necessary to send the product or any defective part to Lathem or any 

authorized service dealer, the product must be shipped in its original carton or 
equivalent, fully insured with shipping charges prepaid. Lathem will not assume any 
responsibility for any loss or damage incurred in shipping. 

6.

 

WARRANTY DISCLAIMER AND LIMITATION OF LIABILITY: Except only the limited 

express warranty set forth above, the products are sold with no expressed or 
implied warranties of any kind, and the implied warranties of merchantability and 

fitness for a particular purpose are hereby expressly disclaimed.   No warranties are 
given with respect to products purchased other than from Lathem or an authorized 
Lathem reseller and any such products are purchased "as is, with all faults."  In no 
event will Lathem be liable for any direct, indirect, special, incidental or 
consequential damages arising out of or in connection with the delivery, use or 

inability to use, or performance of this product.  In the event any limited remedy 
given herein shall be deemed to have failed of its essential purpose, Lathem's 
maximum liability shall be to refund the purchase price upon return of the product. 

7.

 

Proof of date of purchase from Lathem or an authorized Lathem reseller is required 

for warranty service on this product. 

8.

 

This Warranty grants specific legal rights. Additional legal rights, which may vary by 

locale, may also apply. 

9.

 

Should any difficulties arise with the performance of this product during warranty, 
or with any Lathem authorized service centers, contact Lathem Time

 at the 

address below: 

 

Lathem Inc 

200 Selig Drive SW 

Atlanta, GA 30336 

www.lathem.com

 

Form USG0084 

ATDDC4 Series Installation & User’s Guide 

 

 

Introduction 

The AirTime ATDDC4 Wireless Digital Display Wall Clock is designed 
with a 4-inch red LED display that can be viewed from distances over 

100 feet. The optional 6 digit version provides 2 additional 2-inch 
digits. The bright red display shows the hour and minutes or as an 

option the hour, minutes and seconds; can be configured for a 12 or 24 
Hour format; and keep time synchronized to a Lathem ATX series 

transceiver’s wireless correction signal.  The ATDDC4 series Wall Clocks 
can be mounted directly to a wall, to a single gang outlet box or, with 

optional mounting kits, as double-faced units from the wall or ceiling. 

Clock Operation 

When the ATDDC4 series Wall Clock is connected to 120vAC (24vAC 

optional) power, it displays the firmware version for 3 seconds and 
then changes to 12:00 AM. A flashing LED in the lower right indicates 

that it is listening to acquire its initial synchronization signal. When a 
signal is received the LED will extinguish and the internal clock will be 

set. 

Note: 

It may take up to several minutes for the clock to initially 

synchronize. After initial reception, the LED will only flash when future 

sync signals are received. The clock will continuously listen and correct 
itself as needed. 

 

Front Panel 

 

 

Front Panel with optional 6 digit display 

 

Summary of Contents for ATDDC4

Page 1: ...Wireless Digital Wall Clock Model ATDDC4 Installation User s Guide...

Page 2: ...nected Consult the dealer or an experienced radio TV technician for help This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment This equipment should be i...

Page 3: ...athem be liable for any direct indirect special incidental or consequential damages arising out of or in connection with the delivery use or inability to use or performance of this product In the even...

Page 4: ...Military style 12 Hour Format AM PM 24 Hour Format AM PM ATDDC4 Series Installation User s Guide Page 11 Specifications Dimensions 6 3 4 H X 15 1 2 W X 3 1 8 D 17 1 cm H X 39 cm W X 7 9 cm D Weight 9...

Page 5: ...ion User s Guide Page 3 To set the display format use the jumper J1 located on the back of the circuit board which can be accessed by removing the right side end cap and sliding the circuit board out...

Page 6: ...ommodate conduit if desired Note If mounting near a ceiling make sure the holes are at least 2 1 4 away from the ceiling Also provide at least 16 of side clearance on one side in order to remove the f...

Page 7: ...ble from the bottom Note Optional plastic end panels may be ordered left VIS1551 L right VIS1551 R that have access holes pre drilled for side access Power Cord Installation The optional AC Power Cord...

Page 8: ...wo Phillips head screws 3 When the clock is energized it will set itself upon receiving the AirTime radio signal ATDDC4 Series Installation User s Guide Page 7 Double Mount Wall The ATDDC4 SERIES requ...

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