Klaxon 18-980181 Tone and Sound Level Adjustment, Connecting External Manual Call Points

4. Tone and Sound Level Adjustment

The Terrier model incorporates 3 user selectable tones. In order to change the tone setting the front cover of the electronic sounder within the Klaxalarm must be removed by undoing the two fixing screws. The tones are selected as follows:

Tone	Black Lead	Jumper
Continuous	Cont (-) Terminal	Leave in factory setting
Warble	Tone (-) Terminal	Leave in factory setting
Alternating	Tone (-) Terminal	Change position

The sound level can be reduced by changing the setting of the potentiometer on the siren PCB.

5. Connecting External Manual Call Points

NOTE: For correct operation with external manual call points it is essential to use a call point with a NORMALLY CLOSED CONTACT (i.e. an opening contact or changeover contact). We strongly recommend the use of Klaxon Manual Call Point Model No. 17-970073 to ensure correct operation.

The normally closed terminals of the call point should be connected to terminals A and B in the Klaxalarm using two core cable. The factory fitted link between the terminals A and B in the Klaxalarm must be removed. Several normally closed manual call points can be connected in a series loop between these terminals if desired.