Sensaphone 1800 - Manual (Page 44)

Sensaphone 1800 Manual
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3. Press the corresponding Zone key (1–8), Power(0), or Sound(9).
The 1800 will say “Enter minutes.”
4. Using the number keys, enter minutes. Then press ENTER.
The 1800 will say “Enter seconds.”
5. Using the number keys, enter seconds. Then press ENTER.
The 1800 will say “OK.”