Power Settings - Raymarine DSM25 Owner's Handbook Manual

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To change the frequency to a manual setting:
1. Press FISHFINDER SETTINGS. A new set of soft keys appear.
2. Press FREQUENCY until MAN is highlighted. The SELECTED FREQ soft key is
no longer grayed out.
3. Toggle the SELECTED FREQ key until the desired setting is highlighted:
• 200. The scrolling bottom is displayed using the selected frequency.
• 50. The scrolling bottom is displayed using the selected frequency.
• BOTH. Both frequencies are displayed simultaneously in split windows.
4. Press CANCEL or ENTER to return to the default display.
The default setting is AUTO.

Power Settings

The POWER control provides adjustment of the transducer signal. When AUTO is
selected (default), the DSM automatically determines the required power setting
based on the current depth, speed, and (bottom) signal strength.
If, however, you wish to manually adjust the power to suit current conditions, you
can adjust the power level between 0 and 100%, in 1% increments. LOWER
power levels are normally used in depth ranges less than 8 ft. (2.4 m) and HIGHER
power levels are typically selected for depths greater than 12 ft. (3.7 m).
To adjust the Power Setting:
1. Press FISHFINDER SETTINGS.
2. Press POWER.
3. Toggle POWER to either AUTO or MAN. If MAN mode is set the power adjust-
ment slider is displayed. Use the rotary knob to adjust the power value. There
is a short delay while the new setting takes effect.
4. Press CANCEL or ENTER to return to the default display.
The default setting is AUTO. This settings is reset at power-on.
DSM25 Owner's Handbook