The countdown timer can be set to turn the plugged in light(s) on or off after 75, 60, 45, 30 or 15 minutes. That lets you, for example, set the timer to turn the plugged in light(s) off an hour after you have left the room. The flash-ing alarm clock symbol indicates the DT17 is in countdown timer mode. To set the countdown timer:. Setting Up an Intermatic Timer. Setting up an Intermatic timer is a straightforward process. Here's a step-by-step guide to help you get started: Step 1: Identify the Intermatic Timer Type. Before you start setting up your timer, make sure you've identified the type of Intermatic timer you have. This will help you understand the specific.

How To Set Intermatic Light Switch Timer Manual Shelly Lighting
How To Set Intermatic Light Switch Timer Manual Shelly Lighting
How To Set Malibu Outdoor Timer Outdoor Lighting Ideas
How To Set Malibu Outdoor Timer Outdoor Lighting Ideas
How To Set Intermatic Light Switch Timer Shelly Lighting
How To Set Intermatic Light Switch Timer Shelly Lighting
INTERMATIC, 24 hr Nominal Max. Time Setting, Steel, Electromechanical
INTERMATIC, 24 hr Nominal Max. Time Setting, Steel, Electromechanical
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INTERMATIC Plug In Timer 30 min Min. Time Setting, 23
INTERMATIC Electromechanical Timer, 120V AC Voltage, 20 A Amps, Steel
INTERMATIC Electromechanical Timer, 120V AC Voltage, 20 A Amps, Steel
Intermatic Light Timer St01c Instructions Shelly Lighting
Intermatic Light Timer St01c Instructions Shelly Lighting
Intermatic Lighting Timer Instructions Shelly Lighting
Intermatic Lighting Timer Instructions Shelly Lighting
How to Set an Intermatic Timer 12 Steps (with Pictures)
How to Set an Intermatic Timer 12 Steps (with Pictures)
Intermatic Switch Timer Manual
Intermatic Switch Timer Manual
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Intermatic Digital Light Timer Instructions Shelly Lighting
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How to Set Up & Program the Intermatic ET2100 Series
INTERMATIC, 24 hr Nominal Max. Time Setting, Steel, Electromechanical
INTERMATIC, 24 hr Nominal Max. Time Setting, Steel, Electromechanical
Intermatic Light Timer St01c Instructions Shelly Lighting
Intermatic Light Timer St01c Instructions Shelly Lighting
Intermatic Indoor Timer instructions YouTube
Intermatic Indoor Timer instructions YouTube
How To Set Intermatic Outdoor Light Timer Outdoor Lighting Ideas
How To Set Intermatic Outdoor Light Timer Outdoor Lighting Ideas
INTERMATIC, 24 hr Nominal Max. Time Setting, Steel, Electromechanical
INTERMATIC, 24 hr Nominal Max. Time Setting, Steel, Electromechanical
How To Set Intermatic Timer Switch
How To Set Intermatic Timer Switch
INTERMATIC, 24 hr Nominal Max. Time Setting, Steel, Electromechanical
INTERMATIC, 24 hr Nominal Max. Time Setting, Steel, Electromechanical
How to Set an Intermatic Timer 12 Steps (with Pictures)
How to Set an Intermatic Timer 12 Steps (with Pictures)
Setting Intermatic Timer Switch at Dana Brant blog
Setting Intermatic Timer Switch at Dana Brant blog
Intermatic Fixed ON/OFF Programming for ST01C Timer YouTube
Intermatic Fixed ON/OFF Programming for ST01C Timer YouTube
How To Set Intermatic Outdoor Light Timer Shelly Lighting
How To Set Intermatic Outdoor Light Timer Shelly Lighting
Intermatic IW600K Astronomic Digital InWall Timer, New, Free Shipping
Intermatic IW600K Astronomic Digital InWall Timer, New, Free Shipping
How to Adjust Your Timer for Daylight Savings (Spring) Lexington
How to Adjust Your Timer for Daylight Savings (Spring) Lexington
How to set Intermatic FM1 timers
How to set Intermatic FM1 timers
INTERMATIC, 1 sec Min. Time Setting, 3 hr 52 min
INTERMATIC, 1 sec Min. Time Setting, 3 hr 52 min
Intermatic Timer How To Set
Intermatic Timer How To Set
INTERMATIC, 24 hr Nominal Max. Time Setting, Steel, Electromechanical
INTERMATIC, 24 hr Nominal Max. Time Setting, Steel, Electromechanical
Intermatic EJ351 24 Hr. InWall Security Timer
Intermatic EJ351 24 Hr. InWall Security Timer

-To set the CLOCK, press SET +or -to get to your time. If you hold the SET button down, the time will scroll faster than individual "hits". Also, if you hold the SET button down until the time reaches 10:00, the time will scroll in hour increments only.-Once the CLOCK is set, press MODE + to go to DST. Setting DST-See Fig. 6. (dST SCREEN). This video shows how to set / program a intermatic timer for you aquarium lights.