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'Energy saving mode on'
'Energy saving mode off'
[1] Set energy saving period
This option allows you to specify the time period after which your Braille
System should switch into energy saving mode. The message 'Default time:
xxx min' will appear on the display, where xxx indicates the number of
minutes before energy saving mode is turned on. By pressing the [1] key
again, you can increase this setting in increments of three minutes. If a value
higher than 120 is entered a period of 3 minutes will automatically be set.
[4] Low battery warning on/off (not for Braille Star 80)
Whenever battery voltage falls below ca. 4.7 V, a short signal tone will sound
every 18 seconds to alert the user to the low voltage in the batteries. The user
may then connect the power supply to begin recharging. By pressing [4], this
function can be enabled or disabled by toggling the setting on or off every time
the key is pressed. If the device was already in warning mode (signal tone on)
the signal tone will be disabled. The following messages will appear on the
display:
'Low battery warning on'
'Low battery warning off'
[5] Battery status display (not for Braille Star 80)
It is always possible to recharge the batteries while the Braille System is
turned on. With the [5] key, the status of the charging circuitry can be
detected. In quick charge mode, the empty batteries will be recharged to a
level of 90% in ca. 2.5 hours. The following messages will appear on the
display:
'Battery charging' The batteries are receiving a conditioning, final, or
maintenance charge.
'Running on battery' The batteries are currently not recharging.
'Battery quick charging' Quick charge mode.
'No batteries!' There are no batteries installed.
[6] Battery capacity display (not for Braille Star 80)
The available battery capacity is displayed in %. Battery capacity is
determined by the intelligent monitoring circuitry based on a self-training
process. The batteries must have discharged, recharged and discharged
again completely at least once to provide sufficient data to accurately calculate
battery capacity. As long as the data is insufficient for capacity calculation, a
[?] will be displayed following the value.
[8] Battery voltage display (not for Braille Star 80)
Remaining battery voltage is displayed in Volt.
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