Humminbird 900 Series - Manual (Page 115)

Alarm Tone
Alarm Tone selects the pitch of the alarm
sound. A brief tone will be produced as you adjust the Alarm Tone so that
you can select the tone that you can hear best.
To change the Alarm Tone setting:
1. Highlight Alarm Tone on the Alarms main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the
Alarm Tone setting. (High, Medium, Low, Default = Medium)
Setup Menu Tab
From any view, press the MENU key twice to
access the tabbed Main Menu System, then
press the RIGHT cursor key until the Setup
tab is selected.
NOTE: Menu choices will vary depending on
system settings such as whether the unit is set
for Advanced User mode and what accessories
are attached to the control head.
Setup Menu
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