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GT3A Series
Step 1.
For Timers
GT3A-1
GT3A-2
GT3A-3
GT3A-4
Select the desired mode
of operation.
GT3A-5
GT3A-6
Step 2.
0.05 seconds to 1 second
0.1 seconds to 3 seconds
0.1 seconds to 6 seconds
0.15 seconds to 18 seconds
0.1 seconds to 10 seconds
0.3 seconds to 30 seconds
0.6 seconds to 60 seconds
Select the time range
that contains the desired
1.8 seconds to 180 seconds
time period.
6 seconds to 10 minutes
18 seconds to 30 minutes
36 seconds to 60 minutes
108 seconds to 180 minutes
6 minutes to 10 hours
18 minutes to 30 hours
36 minutes to 60 hours
108 minutes to 180 hours
Step 3.
Set the precise period of time desired by using the m Setting Knob.
For information, call 800-221-0487
812
Instructions: Setting GT3A Series Timers
Timed OUT Indicator
j Operator Mode Selector
A, B, C, D
Desired Mode of Operation
Mode of Operation
ON-delay 1
Interval 1
Cycle 1
Cycle 3
ON-delay 2
Cycle 2
Signal ON/OFF-delay 1
Signal OFF-delay 1
Interval 2
One-shot cycle
Signal ON/OFF-delay 2
Signal OFF-delay 2
One-shot 1
One-shot ON-delay
One-shot 2
Signal ON/OFF-delay 3
Desired Time Range
Time Ranges
k Dial Selector
Switches Unlimited
tech@switchesunlimited.com
POWER Indicator (fl ashes
during time-delay period)
m Setting Knob
l Time Range Selector
1S, 10S, 10M, 10H
k Dial Selector
0-1, 0-3, 0-6, 0-18
Selection
j Operation Mode Selector
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
Selection
l Time Range Selector
0-1
0-3
1S
0-6
0-18
0-1
0-3
10S
0-6
0-18
0-1
0-3
10M
0-6
0-18
0-1
0-3
10H
0-6
0-18
Selection
Fax 718-672-6370
www.idec.com
sales@switchesunlimited.com
Remarks
The desired operation mode can be selected from
the A, B, C, and D modes using the Operation Mode
Selector. Change the operation mode from A to B, C,
and D in turn by turning the operation mode selector
clockwise using a fl at screwdriver which is a maximum
of 0.156" (4mm) wide. The selected mode is displayed
in the window.
Remarks
The desired time range is selected by setting both
k Dial Selector and
l Time Range Selector.
www.switchesunlimited.com
Timers
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