Furuno GP-1670F Operator's Manual page 155

2) Put the transducer into water-filled plastic bag.
Press the transducer against the chosen site.
3) Turn the power on while pressing
seconds approx.
4) Long-push the ESC/MENU key to show the
main menu.
5) Rotate the RotoKey
ER] menu.
6) Rotate the RotoKey
7) Rotate the RotoKey
8) Press the ESC/MENU key three times.
9) Press the HOME/CTRL key.
10) Push the RotoKey
Check if the bottom echo appears on the display. If it doesn't, do this proce-
dure until a suitable location is found.
11) After the mounting location is decided, turn off the power of display unit.
3. Remove the transducer from the plastic bag and wipe the face of transducer with
a cloth to remove water and any foreign material. Lightly roughen the face with
#100 sandpaper. Also, use the sandpaper to roughen the inside of the hull where
the transducer is to be mounted.
4. Wipe off any sandpaper dust from the face of the transducer.
5. Dry the face of the transducer and the hull.
Coat the transducer face and mounting loca-
tion with marine sealant. Hardening begins in
approx. 15-20 minutes so do this step with-
out delay.
6. Attach the transducer to the hull.
Press the transducer firmly down on the hull
and gently twist it back and forth to remove
any air which may be trapped in the marine
sealant.
7. Support the transducer with a piece of wood
to keep it in place while the sealant is drying.
It takes 24-72 hours to harden completely.
8. Turn the power on and change the menu setting as follows:
1) Long-push the ESC/MENU key to show the main menu.
2) Rotate the RotoKey
3) Rotate the RotoKey
4) Rotate the RotoKey
5) Rotate the RotoKey
key two
™
to select [FISH FIND-
™
to select [FISH FINDER SETUP].
™
to select [TRANSMISSION] and [LOW].
™
to show the [FISH FINDER] display.
™
to select [FISH FINDER] menu.
™
to select [FISH FINDER SETUP].
™
to select [TRANSMISSION] and [HIGH].
™
to select [50kHz ECHO OFFSET] and [+20].
13. INSTALLATION
Hull plate
Transducer
Hull
Plastic bag
Water
Marine
sealant
Marine
sealant
13-7