Page 2 - Disclaimer
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, includi...
Page 3 - Page 1; Introduction
Page 1 Introduction The AirTime AT-DDC Wireless Digital Display Wall Clock is designed with a 4-inch red LED display that can be viewed from distances over 100 feet. The bright red display shows the hour and minutes and can be configured for a 12 or 24 Hour format. The AT-DDC Wall Clock is synchroni...
Page 4 - Page 2; Time Formats; Front Panel
Page 2 Time Formats The AT-DDC4 Series Wall Clocks can be set to display in 12 Hour or 24 Hour format. When in 12 Hour format, a red LED in the upper left corner of the display indicates PM hours. When in 24 Hour format, the hours are displays in Military style. Front Panel To set the display format...
Page 5 - Page 3; 2 Hour Format; AM PM
Page 6 - Mounting; Mounting to a Wall
Page 4 Mounting The AT-DDC Wall Clock can be mounted directly to a wall, to a single gang outlet box, double hung from the wall or double hung from the ceiling. When deciding where the clock will be mounted, keep in mind that 115VAC power is required. Mounting to a Wall Tools required for mounting t...
Page 7 - Page 5
Page 5 Mounting to a Single Gang Box Two mounting holes have been located in the center of the case 2 1/4" apart for mounting to a single gang wall box. A 7/8" hole has been placed between the mounting holes that will accept conduit if desired. Note: If mounting near a ceiling, make sure the...
Page 8 - Page 6; Double Mount – Wall; Remove the two chase nipples from the mounting plate posts.
Page 6 Double Mount – Wall The AT-DDC requires optional mounting kit (SAM0625) Tools required for mounting the clock: Flat blade screwdriver Phillips head screwdriver 15/16" open end wrench The double wall mount plate attaches to a double or single gang box installed securely in the wall. Requir...
Page 9 - Page 7
Page 7 » Line the two posts from the mounting plate up with the two holes of the modified end cap. Insert the chase nipples through the holes of the modified end cap and secure to the mounting plate with a 15/16" wrench. » Slide the front panel assemblies in partially. Secure the required wiring...
Page 10 - Page 8; Double Mount - Ceiling; Note: At this point, if the DDC4 clocks will be
Page 8 Double Mount - Ceiling Requires optional mounting kit (SAM0626) Tools required for mounting the clock: Flat blade screwdriver Phillips head screwdriver 15/16" open end wrench The double ceiling mount plate attaches to a double or single gang box installed securely in the ceiling. Required...
Page 11 - Page 9
Page 9 chase nipple chase nipple #10 s crews #10 loc k washers #10 hex nuts mounting plat e D DC4 cases
Page 12 - Specifications; Trademark / Copyright
Page 10 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 lbs. (4.086 kg) Display 3 3/4-Inch Red 4 Segment LED Housing Extruded aluminum main case with black textured paint, molded plastic end caps with black texture. Line Power 115VAC, 80m...
Page 13 - One Year Limited Warranty
Page 11 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...