Master MAS-I252 User Manual page 39

"BLU". Time display shows "--Db", or delays 5S to show, press TIME+ or TIME- to adjust the volume(01-30DB), short
press TEMP+- to adjust last and next music. If the sauna is open, no button press after 8S, display shows temperature
and time.
Remarks: During Bluetooth match, it can not switch among Bluetooth, USB and radio at once. The switch time takes
6 or 7S. If the user would like to switch immediately, please wait 6 or 7S. In order to stable and accelerate Bluetooth to
initialize and match up, within 8S when just open the Bluetooth, mask off the load turning on or off function.
（2）Second press AUDIO button
press TEMP+ to adjust last music, press TEMP- to adjust next one. Time display shows "--Db". Press TIME+- to adjust
volume，short press TEMP+- to adjust last and next music, no button press after 8S, display shows temperature and
time.
Attention: It takes 3S to read the USB, if haven't connected to USB, volume will show 00db.
（3）Press the button the third time, open radio, broadcast prompt sound, frequency shows in temperature display. Time
display shows "VOL", press TIME+- to adjust volume. Press TEMP to adjust frequency. No button press after 8S, display
shows temperature and time.
Attention: When radio is on, long press AUDIO button
range is (87.5MHZ-108MHZ), when search the effective signal frequency, it will save it.
Because there is different place, different frequency. When this system is first time to the place, it has to open radio
and then long press AUDIO button
(5) Press the forth time, turn off sound function
5. Button lock function
Long press LOCK button for 5S, indicator light is on, it means the button is locked. Long press this button again for
5S to unlock the button, indicator lamp is not light.
6. Over heating protection function
When the temperature is over 80°C, two digital tubes show HH, it will alarm and flash. All function stop. Even
，indicator light is on, open USB function, temperature display shows USB,
,it can search the frequency automatically. The frequency
to search the frequency automatically.
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