1. g) Audible Alarms
2. i) Audible alarms should be distinct and easily identified.
3. ii) Audible alarms should be enabled when the unit is turned on (i.e., the default volume should not be set to OFF)

and should be clearly audible at any volume setting.

iii) If the alarm volume is adjustable, it should not be possible to turn the volume down so low that it is not likely

to be heard.

1. iv) Although an audible-alarm silence is acceptable, the alarm must recur automatically if the condition is not

corrected.

1. v) If an alarm is silenced, a visual display should clearly indicate which alarm is disabled.

1. h) Visual Alarms
2. i) Visual alarms should be easy to identify.

2-85       Section VI. Requirements