Change Lock Out
The SR-400 SET button can be locked to prevent E.D.R.
activation, and unintended channel changes. The High Fre-
quency Emphasis button will remain active at all times for
the convenience of the user.
1. To engage the Lock Out Feature, press the SET and
buttons at
the same time and hold them down for 10 seconds.
2. The padlock symbol will appear and the set button is disabled.
3. To unlock the system, press the SET and
buttons and hold
them for 10 seconds or until the padlock symbol disappears.
Low Battery Indication
1. When there is approximately 10% of the battery life left, a battery
symbol will flash alternately with the Channel letter in the LCD display.
2. When there is only 5% battery life left, the battery symbol will
constantly flash in the display.
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