Marcum Technologies Underwater Viewing System VS820 - Manual (Page 8)

gently tighten the knobs until they are snug. The battery, camera
and cable are now accessible behind the monitor. It’s easiest to
remove the Velcro straps and unzip the soft pack case. The battery
cable connectors can now be connected to the battery by attaching
the corresponding wire colors to the correct terminal. The positive
(red) wire from the monitor can be connected to the positive (red)
terminal on the battery. The negative (black) wire coming from the
monitor can be connected to the negative (black) terminal on the
battery. After the terminals have been connected, the VS820 is ready
for use. (Note: The battery leads should stay connected at all
times other than while charging. This will be covered later in the
charging process.)
To turn ON the VS820, press the power key which is located on the
keypad on lower left side on the front of the monitor. After pressing
the power key, a small red LED indicator light – located next to the
power button - will turn ON. The monitor should now be displaying
the image being transmitted from the camera. The camera can now
be unwrapped from the cable spool and deployed into the water to
the desired depth.
The depth of field (distance the camera can see underwater)
depends on the clarity of the water and available light at the depth
the camera is used. In clear water, the depth of field can be many
feet but in cloudy or muddy water the depth of view can be reduced
to only a few inches due to particles suspended in the water.
ADJUSTING THE MONITOR SETTINGS
The VS820 monitor has four different adjustments that can be
made by utilizing the on-screen display. These adjustments can
be made to enhance the image on the monitor to the user’s
preference. (note: The VS820 has been pre-set with factory
defaults for normal viewing.) To access the settings menu,
press the menu key on the digital keypad. The settings menu will
be displayed on the screen (note: if you wait too long before
selecting an adjustment, the menu screen will time out and
disappear). To change between on-screen adjustment choices
(brightness, contrast, color, sharpness), continue to press the
menu key. The selected on-screen adjustment will be highlighted
on the LCD screen. To change the settings within a selected
menu, use the UP and DOWN arrows located on the far right
of the digital keypad. You will see the numbers of the selected
adjustment increase or decrease depending on the arrow
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