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THIS EQUIPMENT COMPLIES WITH FCC REQUIREMENTS  

PURSUANT SUBPART J OF PART-15 

 

This device complies with Part 15 of the FCC Rules. 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. 

 

WARNING: Changes or modifications to this product not expressly approved by the party responsible 
for compliance could void the user’s authority to operate this equipment. 
 
NOTE: This equipment has been tested and found to comply with the limits for a  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. This equipment generates, uses, and can 
radiate radio frequency energy and, if not installed and used in accordance with the instructions, may 
cause harmful interference to radio communications. However, there is no guarantee that 
interference will not occur in a particular installation. If this equipment does cause harmful 
interference to radio or television reception, which can be determined by turning the equipment off 
and on, the user is encouraged to try to correct the interference by one or more of the following 
measures: 
    - Reorient or relocate the receiving antenna. 
    - Increase the separation between the equipment and receiver. 
    - Connect the equipment into an outlet on a circuit different from that to which the receiver is 
connected. 
    - 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 installed and operated with minimum distance 20cm between 
the radiator and your body. This Transceiver must not be co-located or operating in conjunction with 
any other antenna or Transceiver. 

 

Disclaimer 

The information within this document has been carefully checked and is believed to be entirely 
reliable. However, no responsibility is assumed for inaccuracies. Lathem Time Corp. reserves the 
right to make changes to any products herein to improve reliability, function, or design. 

 

All manuals and user guides at all-guides.com

Summary of Contents for Airtime AT-DDC4

Page 1: ...Wireless Digital Wall Clock Model AT DDC4 Installation User s Guide All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 2: ...not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encou...

Page 3: ...cord will not be in conduit secure the power cord with a cable clamp into the selected vent cap Remove the two phillips head screws from the left or the right end cap and remove Slide the circuit boa...

Page 4: ...hours When in 24 Hour format the hours are displays in Military style Front Panel To set the display format use the jumper J1 located on the back of the circuit board which can be accessed by removing...

Page 5: ...Page 3 12 Hour Format AM PM 24 Hour Format AM PM All manuals and user guides at all guides com...

Page 6: ...u have at least 16 of side clearance on one side in order to remove the front panel Drill a 5 16 hole at each mark Insert a wall anchor and tap it flush to the wall with the hammer Insert a screw into...

Page 7: ...ke sure you have at least 16 of side clearance on one side in order to remove the front panel Remove the two phillips head screws from the left or the right end cap and remove Slide the front panel as...

Page 8: ...e perpendicular to the ground to assure proper alignment of wall clocks Mounting Wall Remove the two phillips head screws from the left and the right end caps of the two DDC4 clocks and remove Slide t...

Page 9: ...nel assemblies in partially Secure the required wiring and install the battery if used Slide the front panel assemblies in fully Install the end caps and secure each with its two screws Discard or sto...

Page 10: ...ips head screws from the left and the right end caps of the two DDC4 clocks and remove Slide the front panel assemblies out of the cases and set aside Place the two DDC4 clocks back to back and secure...

Page 11: ...Page 9 chase nipple chase nipple 10 screws 10 lock washers 10 hex nuts mounting plate DDC4 cases All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 12: ...ty non condensing Mounting Wall surface Single Gang Box surface Double Face wall or ceiling optional Trademark Copyright AirTime Lathem and the Lathem logo are registered trademarks of Lathem Time Cor...

Page 13: ...red 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 expres...

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