2. MAIN PARAMETERS AND DISPLAY FUNCTIONS
2.1 Control Buttons
Control buttones allow to choose display functions and access the required specific
information. They are also used to enter display settings.
Two piezoceramic buttons are used to manage AV1 modes and settings. The buttons are
located on both (left and right) sides of the computer. Both sequential and simultaneous
pressing of the buttons are used. Current buttons’ settings are displayed as context-sensitive
hint in the bottom bar of the screen.
Symbol >xxxx< in the middle of the bottom bar means «simultaneous pressing of 2 buttons».
When you are in any MENU item in Surface mode and don’t press any buttons for more than
60 seconds, the computer will leave the MENU item to the Main screen. In Dive mode
buttons’ timeout will take 15 seconds. The only exclusion is Dive Planner mode when
automatic switching to the Main screen will happen in 5 minutes.
In Surface mode buttons are set to maximum sensitivity. You can set AV1 in such a way that
AV1 could automatically decrease buttons’ sensitivity in Dive mode in order to avoid
occasional buttons’ pressing. Sensitivity range is 0… -14. Do not set buttons’ sensitivity too
low. It can complicate managing AV1 in Dive mode. Range -5 … -7 would be a good
compromise for the majority of cases. You can test buttons’ operation in the Simulator mode.
2.2 Power Supply
Li-Ion accumulator battery is used in AV1. Accumulator charging is automatic when the
computer is linked to any device with power supply more than 500mA via USB port.
Green-color indicator will flash when you switch on the computer. The charging process will
be marked with a red-color indicator. When charging is finished, the red-color indicator will
disappear. It's recommended to leave AV1 connected to a power supply source for 30
minutes after charging process is finished (when the red indicator disappears). Battery
charging will be better.
Dive computer re-charging can be done at any level of accumulator charging – it does not
affect the accumulator capacity.
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