Teleflex TFX320, Руководство по эксплуатации

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4
USING THE 320 SERIES
CONTROL FUNCTIONS
When operating with the Simulator on and the transducer connected changes
made to Chart Speed, RTS Window, Surface Clutter, White Line, Contrast, and
the Units Control Panels are permanently remembered. When a transducer is
not connected, no changes are remembered.
CONTROL FUNCTIONS
Four knobs on the 320 control all user settings: M
ODE
, G
AIN
,
C
ONTROL
P
ANEL
and R
ANGE
.
M
ODE
K
NOB
The M
ODE
knob selects how the 320 locates the bottom
and graphs the information on the display. Turn the knob
until the pointer aligns with the desired mode of operation.
See Modes of Operation for more information.
G
AIN
K
NOB
The G
AIN
knob controls the gain (sometimes called
sensitivity) of the sonar receiver. G
AIN
also powers the unit
on or off. When the 320 is off, press G
AIN
to turn the unit
on. Press and hold G
AIN
to turn the unit off.
Increasing the gain shows faint sonar returns from
small bait fish and suspended debris in the water,
however the display may become too cluttered in
some water conditions. Increased gain is also
beneficial at deeper depths to maintain a good
bottom image and adequately show sonar returns
from deep objects. Decreasing the Gain eliminates
the clutter from the display, however if adjusted
too low may not show many faint sonar returns
that could be fish.
Turn the G
AIN
knob clockwise to increase the gain;
turn counterclockwise to decrease the gain. As you
turn the knob, only new sonar information being
graphed shows the affect of the gain change.
High Gain
Medium Gain Low Gain