Heath Consultants GT Series - Manual (Page 109)

11-5
ALARMS
Example 3 (Fig. 11.3) shows an instrument in Leak Test
Mode with a Carbon Monoxide warning alarm. There is no
audible alarm and the LED’s do not ramp. The gas range
(ppm CO in this example) will flash.
Example 3:
Toggles to
Fig. 11.3 CO Warning Alarm