Albrecht DB 275 Dualband Bedienungsanleitung Seite 79

If you wish to store any found broadcast radio station, just press any button to quit scanning. Then
you can store the station according to following steps:
 Press [MR] for 2 seconds , LCD shows 01-16 and flashes ,then press [UP] or [DOWN] to
select one channel number from 01-16 .
 Press [MENU] again to store it.
 Select a radio station with other frequency, then repeat the steps above to store it.
Select a stored FM Channel

Under FM Mode, press MR and then press [UP]or [DOWN] to select stored channel from
01-16 . Press MR to quit storing .
4.6 Low Battery Detection – 4 different phases of discharged battery
i. Radio works fine in voltage range higher 6.5 V (Battery shows at least 1-2 bars).
ii. Transmitter and receiver work normally, but red indicator flashes when voltage will fall
below 6.5V ,but higher than 6.2V (Battery shows 1 bar).
iii. If voltage is still higher than 6.1V, but lower than 6.3V (battery icon is blank), receiver
works normally, but alarm beep "τiΝτi" will sound every 20 seconds. Transmit can still
work normally, but red indicator flashes during transmit.
iv. If voltage is lower than 5.9V (battery icon is blank ), receiver still can work, alarm
sounds every 2 seconds ,but transmitting is already prohibited.