Sangean RCR-4 Instruction Manual page 12

B. Scan tuning
1. Touch the POWER key to turn on your radio.
2. Touch the RADIO key repeatedly to select AM (MW) or FM.
3. Touch the UP or DOWN keys for more 0.5 second and release,
it will tune into the next frequency with reception.
4. Touch the POWER key again to turn off your radio.
C. ATS – Auto Tuning System
The ATS function scans through the selected band frequency
for all usable signal. It creats an easily navigated table for all
detected signals.
1. Touch the POWER key to turn on your radio.
2. Touch the RADIO key repeatedly to select AM (MW) or FM.
3. Touch the MODE key for more than 2 seconds, and ATS function
will automatically scan and store the radio stations, and the
"ATS" on the display will flash. Once completed, the "ATS"
will disappear.
4. To recall ATS table navigation, touch MODE key. Then the
display shows the band and the ATS station number such as
"FM-01".
The ATS station memory will be reset when it is unplugged.
When the ATS memory is empty, the display shows "empty"
such as:
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