Data View - Interphase Twinscope Operation Manual

Data View

From the Control Center, press the soft key labeled
"DATA" to see a split screen display with large
digits on the left and a forward scanning view on the
right. The large numbers show the digital depth
and, if your Twinscope is equipped with the
optional speed/temperature transducer, the boat
speed, surface water temperature, and distance
traveled log.
Range Adjustment
Press the button labeled "RANGE" to bring up the
Range Adjustment soft key menu. Press the button
labeled "AUTO" if you would like the Twinscope's
internal microprocessor to automatically select and
adjust the depth range as bottom conditions change.
To manually adjust the depth, press either the range
buttons labeled " " or " " or rotate the front panel
knob. If you make a manual depth adjustment, the
AUTO range mode is turned off and will remain
off until the button labeled AUTO is again selected.
Note: when in the AUTO mode, the soft key
labeled "AUTO" will be shown in reverse video
(white on black). To return to the main forward
looking menu, press the soft key labeled "LAST".
Log Res. (Distance log reset)
If your Twinscope is equipped with the optional
speed/temperature transducer, the Twinscope will
automatically keep a distance traveled log. You can
reset this log to zero by pressing the "Log Res." soft
key.
Note: The Twinscope internal memory keeps the
Twinscope's distance log data, even when power
is removed. To zero out the distance log, press
the softkey labeled "Log Res.".
Sensitivity Adjustment
Press the soft key labeled "SENS." (for sensitivity)
to bring up the choices available for adjusting the
Twinscope's receiver sensitivity. Press the button
labeled "AUTO" so that the word AUTO is shown
in reverse video (white letters on a black
background) if you would like the Twinscope to
automatically adjust its sensitivity for changing
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