Furuno TZT9 Operator's Manual page 162

[High Resolution]: When you select [OFF], smoothed echoes are displayed, however,
the screen resolution is lower. To get higher screen resolution and greater detail, se-
lect [ON].
[Bottom Range Shift Area]: Select the area where to show the bottom echo, when [Au-
to Range] is active. For example, setting 75% would place the bottom echo at a posi-
tion equivalent to 75% from the top of the screen.
[Heaving Correction]: When the ship is in rough seas, the bottom echo and the echoes
from fish are not stable, because the distance to the bottom changes. To remove this
problem, the satellite compass sends pitch and roll data to the fish finder to adjust the
TX and RX beams. This function requires a FURUNO Satellite Compass.
[Transmit Rate Auto]: Automatically set the transmit rate according to ship's speed,
and is inoperative when there is no speed data.
[Transmit Rate Manual]: Change the TX pulse repetition rate in 21 levels (21 is highest
power.). Use 20 in normal use. Lower the TX rate in shallow waters to prevent the sec-
ond reflection echo.
[Sounder Transmit]: Turn on or off the sounder transmission.
Sounder Initial Setup
Zero line Rejection
Zero line Range
2.0
Transducer Draft
Salt Water
Fish Finder Source
Transducer Setup
Transmission Power
External KP
Bottom Level HF
0
Bottom Level LF
0
Gain Offset HF
0
Gain Offset LF
0
[Zero Line Rejection]: Turn the zero line (transmission line) on or off. When turned on,
the transmission line disappears, which allows you to better watch fish echoes near
the surface. The length of the transmission line changes with transducer used and in-
stallation characteristics. If the width of the transmission line is 2.0 or more, set the
transmission line width with [Zero Line Range], as shown on the next page.
Auto Gain Offset HF
3.0 ft
Auto Gain Offset LF
XXXXX
STC HF
Setup
0
STC LF
10
0
Frequency Adjust HF
Frequency Adjust LF
TX Pulse HF
TX Pulse LF
RX Band HF
RX Band LF
Temperature Port
Sounder Demo Mode
Hardware Factory Default
Reset Default Settings
7. FISH FINDER
0
0
0
0
Std
Std
Std
Std
Std
Off
Reset
Reset
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