8.8“ Touchscreen Colour Display AHD 880 TC
Operation
46
V5
alarm.
Key
“Optical Acknowledgement“
Key press acknowledges all pending alarms optically. A blinking
LED/display changes to a continuously lit display.
Key “Next Alarm Page“
Key press pulls up the next existing alarm page. Unless another page
exists, the key press is ignored.
Key
“Previous Alarm Page “
Key press pulls up the previous alarm page. If the first page is already
up, the key press has no function.
7.4.3 Alarm Acknowledgement
Process Alarm Acknowledgement
Every error message, alarm, or warning must be noted and fully
acknowledged, before the system returns to its normal operating
condition.
Please observe the following sequence when acknowledging an
alarm:
1. Acoustic alarm acknowledgement
2. Optical alarm acknowledgement
3. Verify and correct the alarm cause, if possible
TIP!
Full alarm acknowledgement can only be performed
via the acknowledge keys on the alarm page.
Only acoustic acknowledgement is possible from the
instrument pages.
CAUTION!
Alarms that have not received the proper atten-
tion can impair the ship
systems’ functionality
and operational safety!
Any error message’s, alarm’s, or warning’s cause
should be resolved as quickly as possible.
7.5
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