Furuno FCV-2100, Installation Manual

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3. INITIAL SETTINGS
3-12
4. Select [OK] to close the menu.
3.5.2 Calibration for external system transducer
The calibration procedure for external echo sounder is different from the FCV-2100.
There are two method, depending on equipment configuration.
External Echo Sounder mode is ‘Off’
1. Select the [Advanced Settings] icon ( ) from the InstantAccess bar
™
, and se-
lect the [Advanced Setting] icon ( ) from the expanded menu bar.
2. Select [Calibration] from the [Sounder] menu under the [External Echo Sounder]
menu list.
The [Calibration] menu appears.
3. Set the calibration parameters from the list.
Manual Available when [Absorption Coefficient] is
set to [Manual]. Set the value to be used for
calculating the absorption coefficient. 0.0 to 60.0 (dB)
Temperature Available when [Absorption Coefficient] is
set to [Auto]. Select the input source of the
water temperature used for automatic calcu-
lation of absorption coefficient.
• External input: Use the external water
temperature data selected at [Temp
Source] in the [Shared Settings] menu.
• Fixed temperature: Use the temperature
set with [Fixed Temperature] (below).
External Input Val-
ue, Fixed Tempera-
ture
Fixed Tempera-
ture Available when [Absorption Coefficient] is
set to [Auto], and [Temperature] is set to
[Fixed Temperature]. Set the temperature to
be used for automatic calculation of absorp-
tion coefficient. 32.0 to 122.0°F
Item Meaning Setting values
Zero line rejection Turn the zero line (transmission
line) on or off. Off/ On
Zero line area Adjusts the transmission line. Re-
fer to sub-section above. 1.4 to 3.0 m
Item Meaning Setting values
xx.xx