Jkd-512com User Manual 💯 Full
Backlit LCD screen showing CO levels (000–999 ppm) and smoke concentration.
Press the central "TEST" button once. The unit will cycle through its alarm patterns and display current sensor readings. LCD Display: jkd-512com user manual
Twist the unit counter-clockwise to remove the mounting bracket. Backlit LCD screen showing CO levels (000–999 ppm)
Drill holes 5.5cm apart for the wall plugs and secure the bracket with screws. Clip the alarm back into the bracket with a clockwise twist. Operation & Testing jkd-512com user manual
Insert three AA batteries into the rear compartment, observing correct polarity. The device should beep once to indicate it is powered on. Placement:

