User Manual

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3. With transducer in place, mark the two slot locations of the transducer mounting brackets. Drill in center of slot outline using
a 1/8” (.125") drill.
4. Fasten the transducer to the transom using the #8 x 1/2” screws, nuts and washer plates.
5. Before final tightening the 2 screws holding the brackets to the transducer, tip the rear edge down approximately 1/8” as
shown.
6. Tighten all screws.
CAUTION. Do not use any thread locking compound on the screws. Most products such as Loctite® contain chemicals that attack and
weaken plastics.
Turning the T-BOX On
Press the master ON/OFF switch for about 2 seconds to turn the T-box on.
(Note: random flashing of the power light is normal and indicating it is transmitting a WiFi signal)
To Turn it off, Press the master ON/OFF switch for about 5 seconds to turn the T-box off.
Resetting the T-BOX
When the system is ON, press the ON/OFF switch three times, quickly within 3 seconds. The system will power OFF if the reset was
successful. Turn it on again. Now the name and password will be back to factory default: 12345678.
* Quick Touch Models: Note: Some models of T-BOX may have an “instant on” button to turn your system. You still need to hold down
the button 5 seconds to turn off your T-BOX and models with the instant on power button will not power down automatically when not
used, so be sure to turn off your T-BOX when you are done fishing.
T-BOX WiFi Portable WiFi Sonar System (SP300)
The SonarPhone T-BOX Portable System (SP300) includes a convenient
carrying case system in which the T-BOX is mounted to. It contains
a rechargeable 12 Volt battery and a suction cup style transducer
mounting system. This allows you to use SonarPhone on a boat, without
the need for the installation steps. A suction cup attaches the
transducer to the boat.
Attaching the Suction Cup Transducer
1. Unwind the cable from the carrying case and set the transducer system near the back of the boat.
2. Find a smooth spot on the outside and near the bottom of the transom. Try to find a place where the water flow will be
smooth when the boat is going fast. You want to avoid ribs, rivets, and gouges or scratches in the hull. These create
turbulence in the water and can scatter SonarPhone readings at high speeds.
3. Wet the face of the suction cup slightly, then press it firmly against the transom of the boat. Slide it into the best position you
can see.
4. Pull on the suction cup to ensure that it is holding securely, then route the transducer cable up to the carrying case. Restrain
the cable so that it does not become tangled in the propeller or the motor workings.