CVS-833/833C
Chapter 5
Basic Operation
VRM UP/DOWN keys
Image scroll key / Left arrow key
Displays Variable Range Marker as a green line,
allowing the operator to precisely measure the
depth of fish school and sea bottom. To use VRM:
(1) Press the UP or DOWN arrow key to display
VRM.
(2) To move VRM, press UP or DOWN arrow key.
Digital depth display will be shown in the left
bottom corner of the screen.
This key selects the image scroll speed. This key also doubles as a
left arrow key, used in sub menus to select the items. To select the
scroll speed:
IMAGE SPEED
VRM
NOTE:
In dual display mode, VRM moves one display to the other as long as either the UP or
DOWN arrow key is pressed.
(1) Press the key to stop the sounder image.
(2) Press the key again to display the image scroll speed set up
screen.
(3) Press the VRM up arrow or down arrow key to set up the speed.
Default: 1/1
Alarm key / Right arrow key
Scroll speed: (Slow) 1/32 1/16 1/8 1/4 1/2 1/1 2/1 (Fast)
Each press of this key toggles the alarm ON and OFF. This key
also doubles as a right arrow key, used in sub menus to select the
items.
ALARM
To set up the alarm, refer to Para. 6.5 (Menu 2)
Default: OFF
Alarm setting: OFF or ON
Auto key
Turns ON and OFF the auto functions that include AUTO range,
AUTO shift and AUTO gain.
AUTO
To set up the AUTO, refer to Para. 6.9 (Menu 6)
Default: OFF
AUTO setting: OFF or ON
0093132902-03
5-5
