Promax AE-166 User Manual page 159

Press Save To[F1] and select a destination source:

Local: Internal memory

SD Card: External micro SD card
NOTE:
After a destination has been selected, recording options appear.
To name the log file, press Name[F1]. Name the
selected file using the F1 ~ F7 keys, as shown below
or use the numeric keypad to enter numbers.
Limitations:

No spaces

Only 1~9, A~Z, a~z characters allowed
February 2017
The micro SD card option will only be available when a
micro SD card is inserted into the front panel port.
Figure 121.
150