Silent Alarm For Mac
Bamboo mte 450a driver for mac. Nov 15, 2008 Hey guys. So, I had started to fuss around with the alarm on my iPhone 3g hoping I could get it to go off for a silent alarm. Like a 'To Do' and just vibrate with no sound.
Issue: What do the Smart-UPS audible alarms (beeping) indicate? Product Line: Smart-UPS Environment: All models, all serial numbers Cause: The various models in the Smart-UPS product line all have the same audible alarms, and these audible alarms will be accompanied by a visual alarm (LED) as well. Please see your Smart-UPS User's Manual for information on the UPS's visual indicators (LEDs). Resolution: There are four main reasons the Smart-UPS will emit an audible alarm; they are: 1. UPS is on battery 2.
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UPS capacity is overloaded 3. UPS has failed the battery self-test 4.
UPS is on battery, and in a low-battery state (battery is almost discharged). These four different conditions each will produce a different audible and visual alarm. The alarms are as follows: 1. UPS is on battery - unit will beep 4 times every 30 seconds, and the amber 'on-battery' LED will be illuminated, until normal power is restored, and unit transfers back to on-line power. Note: This alarm can be disabled by pressing the 'I/Test' button on the front of the Smart-UPS. Doing this will disable the audible alarm for this on-battery event only; the next time the UPS transfers to battery power, it will beep, and the alarm will again need to be disabled.
UPS capacity is overloaded - unit will emit a loud solid tone, and the red 'overload' LED will be illuminated, until the load is sufficiently reduced. UPS has failed the battery self-test - unit will beep continuously for 1 minute, every 5 hours, and the red 'replace-battery' LED will be illuminated, until the condition is cleared.
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UPS is on battery, and in a low-battery state - the unit will beep continuously for the duration of the low-battery-signal time (default of 2 minutes). In this condition, the amber on-battery LED will be on, and the bottom battery-charge LED will be flashing. This alarm is to alert you to the fact that the UPS is about to shut off due to a discharged battery. Later 'SU' units, as well as all SUA, SUM, SURT, SMC, SMT, and SMX units will alert a user if the battery is not connected. If the internal battery in these units is not connected, the unit will chirp every 4 seconds, and the red 'Replace Battery' LED will flash. The internal battery connection should be checked.
An additional sound that the Smart-UPS may produce is a clicking sound. The Smart-UPS will make a clicking sound when the UPS is enabling AVR Boost or AVR Trim. AVR Boost is when the UPS uses the internal transformer to increase input voltage which may be too low; AVR Trim is when the UPS uses the internal transformer to decrease input voltage which may be too high.
When the UPS switches to use this transformer, an internal relay makes a clicking sound. This is normal operation of the UPS reacting to too-high, or too-low voltage. The above alarms are the normal, expected alarms of the Smart-UPS. If your Smart-UPS is emitting an audible or visual alarm which does not fit into the above explanations, please contact APC technical support for further troubleshooting as this may be indicative of an internal fault.
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