PRESIDIUM Synthetic Ruby Identifier User Handbook Manual page 14

1.3 Switching off your device and
Power-Saving Auto-Off
To switch off your Synthetic Ruby Identifier, press and hold the Power
button for approximately 2 seconds until the light goes off.
To ensure that your Synthetic Ruby Identifier conserves power, the
unit will automatically switch off 10 minutes after the last activity.
1.4 Low Battery Indicator
When the battery is too low for the device to function, the Power
button light will turn red (Fig 1.4).
Low High Start T est
UV T ransmittance
Fig.1.4 Low Battery Indicator in Red Light on Power Button
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