Nauticam NA-D7500, Инструкция по эксплуатации

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Optional vacuum valve:
Vacuum valve can be attached to the housing via one of the accessory port for conducting a
vacuum seal test. Please refer to the manual of the vacuum valve for details of the operation.
LED status identification:
On start up
LED indicator Status
Flash “Blue” light once Indicates a 2nd generation PCB
Steady "Blue" light
Battery is normal, goes into flashing "Blue"
light standby mode after 5 seconds.
"Blue" and "Red" lights
alternating
Battery low. Replace battery as soon as
possible. Goes into standby mode after 5
seconds.
Steady "Red" light Battery empty, replace battery.