Emu push-button leds, Audible alarm operations, Audible alarm sound patterns – HP 3000 Enterprise Virtual Array User Manual
Page 77

NOTE:
Any time you press and release the bottom push-button (see 3,
), the display will change to
En, Li, rG, Au, or Er.
A flashing alphanumeric display indicates that you can edit an address, state, or view a condition report.
EMU push-button LEDs
The push-button LEDs display error conditions and the state of the
audible alarm
.
•
When an error condition exists, the top push-button LED is On.
• For a single error condition, the LED is On until the error condition is viewed.
• For multiple errors, the LED is On until the last error condition is viewed.
•
The bottom push-button LED is On only when the alarm is muted or disabled.
Audible alarm operations
Whenever an error condition exists, the
audible alarm
automatically sounds until all errors are corrected.
You have the option of either muting or disabling the alarm. Using these options results in the following
conditions:
•
A disabled
audible alarm
cannot sound.
•
Even when muted, any new error condition causes the alarm to sound.
Audible alarm patterns
The duration and number of times the
audible alarm
sounds, the sound pattern, is a function of the error
condition type. See
for the duration and the approximate relationship of these alarms. The most
severe, active error condition controls the alarm pattern.
Table 20 Audible alarm sound patterns
Condition Type
Cycle 1
Cycle 2
UNRECOVERABLE
CRITICAL
NONCRITICAL
INFORMATION
Legend
Alarm On
Alarm Off
Controlling the audible alarm
You can control the alarm with the push-buttons. This process includes muting, enabling, and disabling.
When an error condition exists, the alphanumeric display reads Er, the alarm sounds, and you can:
Enterprise Virtual Array 3000/5000 user guide (VCS 3.110)
77