AdvancedController - BUTTONS AND FUNCTIONS
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WINDOW
  Tabs CONTROLLER 1 / 2 / 3 at the top: up to three controllers, each with
  its own serial port, OPEN / CLOSE and everything below the tabs. The dot
  next to the tab name: grey = port closed, red = port open but the
  controller does not answer (no power, cable, wrong port), green =
  connected. IDENTIFY: the gear led of that controller blinks fast for 3 s
  so you can see which device the tab is talking to. HELP opens this file.

GENERAL
  All adjustments act on the CURRENT camera (see CAMERA SELECT).
  Mode buttons (BRIGHT, AGC, ZOOM, LED ON/OFF, crosshair edit, OSD menu)
  enter a mode in which the arrow buttons act. One adjust mode is active at
  a time; entering another mode leaves the previous one.
  Virtual panel: click = press, hold 1.5 s = long press. The leds in the
  window mirror the leds of the device (polled 5 times per second).

TOP ROW
  LED ON/OFF (headlight)   Manual lighting of the current camera. Press to
                           enter the mode, then UP/DOWN select the level:
                           off / 25 % / 75 % / 100 %. Press again to leave.
  LED AUTO (headlight A)   Automatic lighting of ALL channels from the
                           external 0-10 V input. Press again to disable.
                           Setting a manual level disables AUTO.
  AGC (two rectangles)     Gain mode: UP/DOWN = 0..20.
  BRIGHT (sun)             Brightness mode: UP/DOWN = 0..20.
  ZOOM (magnifier)         Digital zoom mode: UP/DOWN = 0..16.
  MIRROR                   Toggle horizontal mirror.
  FLIP                     Toggle vertical flip.
  FOCUS (target)           Crosshair initialisation of the current camera:
                           both crosshairs to the default position, all
                           masks off. Takes about 5 s. Press once per camera
                           after power-on, otherwise the crosshairs stay
                           invisible.

SECOND ROW
  CAMERA RESET (3 sliders) All cameras to factory settings (preset 1).
                           Takes about 6 s; the button led blinks meanwhile.
  LOAD 1 / LOAD 2          Load user preset 1 / 2 from the camera memory.
  SAVE 1 / SAVE 2          Save the current camera settings to preset 1 / 2.

THIRD ROW
  CROSSHAIR 1 / 2          Show / hide the crosshair on the current camera.
                           Long press: edit mode (button led blinks):
                           UP/DOWN move the horizontal line, LEFT/RIGHT the
                           vertical line; at a limit the arrow led blinks.
                           Long press again: leave edit mode. One crosshair
                           is edited at a time; a long press on the other
                           crosshair switches editing to it.
  TEMPERATURE              Show / hide the camera temperature on its OSD.

BOTTOM ROW
  CAMERA SELECT (2 cams)   Next camera: 1 -> 2 -> 3 -> 4 -> 1. Two leds show
                           the selection: cam 1 = on/off, cam 2 = off/on,
                           cam 3 = on/on, cam 4 = off/off.
  GEAR                     Leave all adjust modes (arrow leds go off).
                           The gear led blinks twice with a 2 s pause while
                           the device is under remote control from a PC.

CROSS PAD
  UP DOWN LEFT RIGHT       Act in the active mode (see above) and in the
                           camera OSD menu.
  ENTER                    In the OSD menu: select.
  ENTER long (1.5 s)       Open the camera OSD menu: arrows navigate, ENTER
                           selects. Long ENTER again leaves the mode on the
                           panel; the camera closes its menu by its own
                           rules.

HOW TO
  Change the lighting of channel N: press CAMERA SELECT until the leds show
      camera N, press LED ON/OFF, then UP/DOWN. From the PC: "CAM N",
      "LED level".
  Open the camera OSD: hold ENTER for 1.5 s, then use the arrows and ENTER.
  Reset all cameras: press CAMERA RESET (3 sliders) or send RESET from the PC.
  Light tower: green = normal; red + beeper = a camera at 65 C or above;
      fan = controller CPU at 50 C or above.
