General Tools and Instruments CDM7722 - Manual (Page 7)

6
LED alarm keeps blinking when beeps
are manually shut. It stops only when
readings fall under the lower limit.
ALARM OUTPUT
The meter is designed with a relay
to send output for further connection.
When CO readings go over the upper
2
limit and cause alarming. The relay
picks up automatically and send output.
It can be connected to a ventilation
system or activator for conditioning the
air quality. The relay will drop out when
CO readings fall under the lower limit.
2
It emits beeps(Abt.80dB) with blinking
LED when CO level goes over the upper
2
limit. Beeps can be stopped by pressing
any key or automatically stops when
CO reading falls below lower limit.
2
If the beeper is temporarily shut, it will
sound again when readings fall below
lower limit and then go over the upper
limit again, or users press for more
than 1 second to activate it.
RESET RESET
Alarm
Output
RS232
Adaptor