User manual INTERMATIC 158DT11724

[. . . ] 13 BACK OF TIMER AND PROPER BATTERY SEATING). DT27 DIGITAL TIMER INSTRUCTIONS Introduction Thank you for purchasing Intermatic's DT27C Lamp Timer with Astronomic feature. This timer can control most 120 VAC loads up to the maximum rating on the timer label. The timer can control incandescent lights and compact fluorescent lights, stereos and appliances such as an air conditioner. · · · · · · Easy-to-use controls and set-up operation Automatic or manual operation (Push the door cover for manual override). [. . . ] Daylight Savings Time (DST) - The DT27 timer has an automatic Daylight Savings Time feature. Astro Zone - (See map on page 3) The Astronomic program divides the United States into 3 zones. The CENTRAL zone refers to locations between Chicago, IL and southern Missouri. The SOUTH zone refers to locations south of Missouri. Glossary of Terms (Cont. ) SUNUP - When using the Astronomic feature, the morning sunrise is automatically calculated by the timer. The sunrise setting can be manually adjusted to match your exact sunrise time. SUNSET - When using the Astronomic feature, the evening sunset time is automatically calculated by the timer. Programming and Operating Instructions Batteries -DT27 comes with 2 LR44 batteries. -To start the timer, pull the tab out from the battery holder on the back of the timer (See Fig. Once the tab is removed the readout will flash 12:00 AM and look like Fig. For your convenience the DT27 may be set while it is unplugged from the wall outlet. If not plugged in, the timer display will go blank after a few minutes with no pushbutton activity. If this happens, simply push any button once to turn on the display, then resume setting the timer. When programming is complete, you may connect the device to the timer and plug the timer into your wall outlet. Before setting your timer for the first time, clear the memory by momentarily pressing RESET while holding ENTER/NEXT button down (See Fig. Press the MODE + button to step through the various programming and operating modes. If you wish to skip a programming step such as SUNUP and SUNSET settings, press the MODE + button to pass any section of the program. When you complete a step in setting the DATE or each FIXED EVENT times, Fig. In order for the Astronomic Feature and automatic DST settings to function properly, the DATE settings must be entered correctly. In the event that the batteries are allowed to run down, or are removed for more than 15 seconds, the timer will maintain the year, month, day and all prior programming settings. If the batteries are replaced on the same day, only the time of day would have to be reset. [. . . ] If you do not want the automatic DST feature, press SET + or ENTER/NEXT and the display will read MANUAL. Press MODE + to go set the ASTRO feature. To set specific days, press DAY. This is a blank screen - IF YOU DO NOT WANT TO USE THE ASTRO FUNCTION, see "PROGRAMMING ON/OFF Times Without ASTRO". 9. If you do not wish to set the timer for all days, press DAY to show MON - FRI. [. . . ]