Boss Audio Systems 638B, User Manual

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7
STATION PRESETS Six numbered preset button store and recall sta-
tions for each band.
Storing a station:
1. Select a band (if needed)
2. Select a station
3. Hold a preset button longer than one second. Preset station num-
ber appears in the display when station is saved.
Recall a station:
1. Select band (if needed)
2. Press a preset button for less than one second to select stored sta-
tion.
RADIO CONTROLS
TUNE BUTTONS When pressed for less than 1 second, these keys operate
as manual tuning mode.
When pressed longer than 1 sec., they are operated as SEEK tuning mode.
If the keys are not pressed for 3 seconds, they will return to SEEK mode
again.
AS/PS Select six strong stations and store them in current band.
1. Select a band (if needed)
2. Hold A/PS button for more than three seconds. The new stations
replace stations already stored in that band.
Preset Scan
Scan stations stored in current band
1. Select a band (if needed)
2. Touch A/PS for more than one second but less than three seconds.
Radio pauses for five seconds at each station. Touch A/PS again to stop
scanning when desired station is reached.
SCAN This key is operated as RADIO SCAN. The operation is similar as
normal search but different thing is holding 5 seconds on every station
detected in RADIO SCAN mode.
BAND Push this switch to select the desired band. Selection is made in
regular sequence as FM-AM.
SEEK MODE When press this button for more than 2 seconds, it is activated
as selecting mode of these function.
SEEK 1: When SEEK 1 mode is activated, AUTO SEEK SCAN is stopped when
station is detected even user still push SEEK button.
SEEK 2: Auto SEEK SCAN is not stopped even station is detected if user
push SEEK button. When release this SEEK button, then stop when station
is detected.
CD MULTI ON/OFF SEL
2 sec.
MULTI
ESP 12s. / 45s. SEL
2 sec.
ESP SEL
ESP SEL
ESP
SEL BEEP SEL
2 sec.
MULTI BEEP ON/OFF
VOL
VOL
VOL
ESP SEL SEL SEEK SEL SEL
2 sec.
MULTI BEEP SEEK1 / SEEK 2
VOL
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