Chapter 5
CVS-841/851
Basic Operation
5.2.5 The 3-Divion screen and its gain control
Setting the MODE switch to “3” (CVS-841) or USER 3 (CVS-851) allows the 3-Division screen to be
displayed. In this mode, two HIGH Frequency screens (H1 and H2 for convenience) and one LOW
Frequency screen are displayed. The unique feature of this mode is an independent gain control of
each HIGH Frequency screen.
To vary the gain of L screen:
Turn the L GAIN control on the control panel. Turning the control to the right increases the gain and to
the left decreases the gain.
To vary the gain of H1 screen:
Turn the H GAIN control on the control panel.
To vary the gain of H2 screen:
Press the UP or DOWN arrow key first. A small pop up window will be displayed. While the window is
shown, press the UP or DOWN key to decrease the gain. (UP for increasing the gain, DOWN for
decreasing the gain) About 5 seconds after the key is pressed, the window will disappear.
Press the Up or DOWN
arrow key to change the
setting.
Press Up or DOWN
arrow key to show the
popup window
2.6
High (2) Gain
Gain control index is
shown here that can be
varied from 0.0 to 10.0.
NOTE:
When the screen is set to SHIFT mode, the UP and DOWN arrow keys are dedicated for the
depth shift setting. To recover the H2 gain control, escape the SHIFT mode first and then press the UP
or DOWN arrow key to show the “High (2) Gain” popup window.
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