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Controls and Functions-Cont'd
~ 9. Display Sweep Speed Key with Freeze mode - The
Sweep button is used to control the speed at which the display
moves across the screen to compensate for boat speed. You can also
freeze the display for closer examination of interesting underwater
features. To set the display sweep speed, first press the Sweep key
(which will freeze the display), and then use the 1\ and V keys to
adjust the sweep to the desired speed. The sweep speed is displayed
on the Sweep Bar Graph at the bottom of the display. There are
eight possible settings for the Sweep speed.
~ 10. Shallow Alarm Set - This control is used with the 1\
and V keys to set the depth above which the audible alarm will
sound; i. e. if the shallow alarm depth is set to 20 feet, and you take
your boat into water 19 feet deep, the alarm will sound. To set the
shallow alarm, first press the Aim S key, then use the 1\ and V keys
to set the alarm to the desired depth. The depth that the alarm is set
to is displayed on the bar graph at the right side of the display. When
the alarm is set, a black bar will extend down from the top of the
display.
EmI!J 11. Deep Alarm Set - This control is used with the 1\ and
V keys to set the depth below which the audible alarm will sound;
i. e. if the deep alarm is set to 20 feet, and you take your boat into
water 21 feet deep, the alarm will sound. To set the deep alarm, first
press the Aim D key, and then use the Up and Down keys to set the
alarm to the desired depth. The depth that the alarm is set to is dis-
played on the bar graph at the right side of the display. When the
alarm is set, a black bar will extend up from the bottom of the dis-
play.
E::I 12. FishAlarm- This control is used to turn the audible
Fish Alarm on or off. Press once to turn on, and press again to turn
off. When the Fish Alarm is turned on, the audible alarm will sound
anytime an echo above the bottom is detected.
~ 13. Flash Key - This control is used to turn the echo flash
mode on or off. Press once to turn on, and press again to turn off.
When the flash mode is on, all echoes above the bottom will flash on
and off, to call attention to them.
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