2. HORIZONTAL MODE
2-3
2.3 Mix Display (CH-600 only)
The mix display compares echo intensity between low and high frequencies, and dis-
plays echoes from tiny fish in discriminative colors. This is done by utilizing the fact
that tiny fish return a stronger echo against a high frequency rather than a low frequen-
cy. The equipment accomplishes this as follows:
• If a high frequency echo is stronger than the corresponding echo on the low fre-
quency, the high frequency echo is displayed.
• If the low frequency echo is stronger than or equal to the high frequency echo, it is
less likely to be a tiny fish and therefore is displayed in blue.
In other words, the echoes displayed in orange through light-blue may be considered
to be tiny fish such as whitebait. When the mix display is active the indication MX ap-
pears at the top of the display.
To use the mix display effectively, it is important that the gain for both the low and high-
frequencies is set properly. When searching for young fish such as whitebait, follow
the procedure below. For detailed information about gain adjustment, see the next
section.
[Tracking Key] Set the function for the tracking key. See
section 1.16.1.
Position, Echo, Reverse; default: Echo
[Tracking Mode] Selects the tracking mode for [Echo]
tracking. See section 1.16.3.
Auto, Manual; default: Auto
[Auto Tilt] Enables/disables automatic tilt and tilt
angle. For example, if the tilt is set to 30°
and [Auto Tilt] is set to 4°, the tile chang-
es as follows:
30°o26°o30°o34°o30°...
Off, ±2°, ±4°, ±6°, ±10°; default: Off
[A-Scope] Enables/disables the A-Scope for Hori-
zontal mode.
Off, On; default: Off
Menu item Description Settings/Ranges
Mix
display
High-frequency
display
How the mix display works
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