Three Power Options - let you power the scanner using the included two AA rechargeable or alkaline batteries or the supplied USB cable.
Key ConfirmationTones - You can turn on/off a tone that sounds when you perform an operation correctly or if you make an error.
Key Lock - lets you lock the scanner's keys to help prevent accidental changes to the scanner's programming.
Battery Save - works when there is no transmission for 1 minute in Scan Hold mode and any Search Hold mode (without Priority Scan). This feature turns off RF power for 1 second and turns on it for 300ms to extend the battery life.
Battery Low Alert - the 
BATT
icon will blink in the display and a tone warns you every 15 seconds when the battery power gets low.
Frequency Range
This table lists the frequency ranges, frequency steps, default modulation, and type of transmissions you can hear for each range.
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