SubSurface Instruments LD-18 Operation Manual page 20

* Caution
"Level bar display" and "Level value of level bar display" operate as interlocked with the SENS
value.
The minimum level value is of no relation to the SENS value. It automatically compensates
the amplifier gain in the main body and displays it.
5-1-3 File list screen
5-1-4 Graph display screen
<Setup statuses at the time of start-up>
The main body starts up in the following statuses when its power is ON.
BPF : 100to800Hz
NF : OFF
NR : OFF
SENS.: 20
*The setup changed at the time of use is not stored. Return to the setup at the time of start-up occurs when
the power is turned OFF and is then ON again.
The file list screen appears when the
in the level display screen.
This screen permits check and deletion of the saved
minimum level value.
Furthermore, a flag can be marked for demarcation
of the field.
The graph display screen appears when the
is pressed in the file list screen.
The files beginning with the file next to the file marked
with flag and ending with the latest file or with the
flag are displayed in a graph format.
17
5. Description of functions
[Hardware]
switch is pressed
FILE
switch
FILE