Table of Contents
Advertisement
sounder is used for depth information.
Potentiometer R27 cancels the white line pulse for about 10 ms after transmission to avoid false
depth indication caused by unwanted noise in short ranges.
No readjustment of R27 is required as long as the CSH-73 indicates the correct depth. If the
depth is wrong, turn R27 clockwise.
Adjustment of white line output level (potentiometer R55)
Improper setting of R55 causes the seabed line to be painted in deep blue due to the white line
pulse. Adjust R55 so that the seabed is painted in reddish brown.
33
Advertisement
Table of Contents
