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3–14
6) Press the [MENU ESC] key.
When echo corresponding to active alarm enters alarm range, au-
ral and visual alarms are released.
Alarm
range
Aural and visual alarms
are released when fish
echo or bottom echo
enters this zone.
Figure 3-19 How the fish and bottom alarms work
The bottom alarm is useful
for alerting you to depth
changes. However, always
maintain a watch to prevent
grounding.
CAUTION
Removing the aural and visual alarms
Press the [CLR] key. The aural alarm is silenced and the visual
alarm disappears. The alarms will be released the next time the
alarm setting is violated.
3.14 Correcting Water Temperature Readout
In some instances the water temperature readout may be off by a
few degrees. You can correct it as follows.
1) Press the [MENU ESC] key.
2) Press the [0] key to select the SYSTEM SETUP menu.
3) Press the [5] key to select SENSOR SETUP.
4) Press the [Arrow] keys to select TEMP CALIB.
5) Enter correction with numeral keys.
6) Press the [MENU ESC] key.