Chapter 5
CVS-833/833C
Basic Operation
5.10 Changing image scroll speed
Scroll speed is correlated with the number of transmission. To change the speed:
1. Press the IMAGE SPEED key to show the speed selecting menu.
2. Press the UP or DOWN key to select the speed. The image speed display changes as follows: 1/32,
1/16, 1/8, 1/4, 1/2, 1/1, 2/1
NOTE:
Meaning of the scroll speed indication is as follows:
1/32: Sounder display is drawn every 32 transmissions.
1/16: Sounder display is drawn every 16 transmissions
1/8: Sounder display is drawn every 8 transmissions
….
2/1: Sounder display is drawn twice every transmission
2/1
1/1
1/2
1/4
1/8
1/16
1/32
5.11 Setting up the alarm
This function is used to detect the sea bottom or a school of fish that touches or enter a preset alarm
bar. To use this function:
1. Open Sub Menu 2 and set up Alarm Range. Refer to Para. 6.5.1 for setting detail.
2. Press the ALARM key to activate the alarm function.
3. Press the VRM UP or DOWN key to select Upper Alarm Depth.
As a result of this setting, an audio depth alarm sounds when the sea bottom or a school of fish enters
the alarm area. Take the following notes in setting each alarm function.
Alarm Range
Upper Alarm Depth
Alarm area
School of fish
Sea bottom
Figure 5.17 Alarm range display
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