142 E-Series Networked Display Reference Manual
• Reset a selected preset to factory defaults (RESET <PRESET> softkey).
The fishfinder can handle only one set of frequency presets across displays. It is not
possible to set one Display up with a different set of fishfinder frequencies to
another.
To open the Setup Frequency Preset screen
1. With a fishfinder window active, press the MENU button.
2. Select Fishfinder Setup menu.
3. Select Configure Preset Frequencies.
4. Select the frequency you wish to use from the list available.
Manual frequency selection
If you select a frequency manually, the fishfinder operates at that fixed frequency.
To set frequencies manually
1. With a fishfinder window active, press the MENU button.
2. Select Fishfinder Setup menu.
3. Open the Configure Preset Frequencies screen.
4. Select the frequency you wish to use from the list available.
Automatic frequency selection
The behavior of automatic frequency selection varies according to the configuration
of your system and whether you are using a DSM300 or DSM400. The table below
summarizes this behavior.
Frequency 1 Behavior Frequency 2 Behavior
DSM400 AUTO Automatically adjusts to
suit depth.
NONE/MAN Manual setting is fixed.
MANUAL Fixed at selection. NONE/MAN Manual setting is fixed.
AUTO Automatically selects high-
est frequency and widest
beam.
AUTO Automatically adjusts to
suit depth.
DSM300 AUTO Changes with depth; alter-
nate pings of 50 Khz and
200 Khz.
MANUAL Fixed at selection.
AUTO Changes with depth; alter-
nates between 50 Khz and
200 Khz.
NONE -
AUTO Frequency set to 200 Khz. AUTO Frequency set to 50 Khz.
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