User Manual

Table Of Contents

ZKAM20 & ZKAM20A User Manual

System Detection Sensitivity Is Reduced

Under normal circumstances, due to the failure of components and components, the detection sensitivity

of the system is reduced. Most of these types of failures are caused by interference between systems and

interference, and the detection of interference caused by metal objects or electrical equipment near the

antenna. For the detection of metal objects, electrical equipment, etc. near the antenna should take

measures to remove, and try to keep it away from the detection antenna system.

System Does Not Alarm

If the alarm light is not flashing and there is no alarm sound when detecting the tag.

1. Check whether the frequency of the tag is the same as that of the transmitting center.

2. Confirm that the transmit switch is turned ON.

3. Whether all the digital tubes on the circuit board are displayed.

4. Check whether the connecting wire plug on the circuit board is disconnected.

5. Whether the warning light or the buzzer itself is damaged.

If the alarm still cannot be confirmed after checking, some circuit faults (component failure or damage)

should be considered at this time.

System False Negatives

Verify that the boards of the two devices per channel are installed "face to face" or "back to back".

 Less interference

Master board:

Less interference: letters are displayed in b, c or d, numbers are displayed within 5.

1. Adjust the numbers appropriately, such as (2, 2), (1, 3), etc. Press the reset key to take effect.

2. Confirm that the transmit switch is turned ON.

Slave board:

1. Confirm that the transmit switch is turned ON.

2. Confirm that the cable is connected properly.

 Larger interference:

Master board:

Larger interference: letters are displayed in E or F, numbers are displayed above 5.

1. Unplug the slave receiver line.

2. Plug in the slave to receiver, unplug the master to receiver.