USING THE 450TX
CONTROL FUNCTIONS
CONTROL FUNCTIONS
The 450TX uses a simple six button keypad for all user input. Press any button and an audible “chirp” confirms the control input. If a button has no function or is inappropriate for the situation, an audible “error” is heard. The unit sounds multiple chirps.
Power. The Power button powers the 450TX up for normal operation. When the unit is on, POWER turns the unit off. POWER can also be used to go directly into Simulator mode. To enter simulator, with the unit powered off, press and hold POWER for several seconds until a continuous chirp is heard.
Light. LIGHT controls the unit’s display backlight. With the unit powered on, press LIGHT once to turn the backlight on “low.” Press LIGHT a second time to turn the backlight on “medium,” a third time to turn the backlight on “high”, and
a fourth time to turn the backlight off. The backlight is very effective for
with the backlight off. This is important when using the 450TX in a portable configuration powered by a separate battery, or when powering the unit from a trolling motor battery.
When powering the unit from a battery such as in portable applications, you can prolong the battery life by using the backlight at a minimum.
The three lower buttons, MENU, UP ARROW, and DOWN ARROW work together to control the 450TX
View. VIEW selects one of several screen configurations or “views” possible depending on the transducer in use. When using the standard
The 2D View is the default view, and the view which is first seen at power- up. Pressing VIEW again will select the Large Digital Readout View, which
12increases the size of key digital information so that it can be viewed from a