CEM DT-9929, User Manual

Page: 18 / 28

17
PEAK HOLD
The Peak Hold function captures the peak AC or DC voltage or
current. The meter can capture negative or positive peaks as fast
as 1 millisecond in duration. Momentarily press the
PEAK button,
“
PEAK
” and “
MAX
” will display in
left auxiliary display . MIN
” will
display in right auxiliary display . The meter will update the dispay
each time a lower negative peak occurs . Press the EXIT button to
exit the PEAK HOLD mode. Auto Power Off feature will be
disabled automatically in this mode.
Data record
（
STORE/RECALL
）
1
、
STORE function
In the current testing mode, press STORE button one time, enter
into STORE function.
On the left upper corner of LCD shows NO XXXX .
，
which states current storage serial number.
Then, press button PEAKHOLD to change into the initial serial nu
mber 0000. (Press again it will change back).
On the right upper corner of LCD shows XXXX
，
which states
how many current storage is used.
Press STORE button again, enter into recording interval time set
up function
.
On the left upper shows 0000 S ,which states recording interval
time; using & - to select
，
the range is 0~255 seconds
。
When the recording interval time is 0000 S
，
then press STORE
button again to change into manual recording. Press the STORE
button again to record once.
When the recording interval time is 1~255 S
，
then press STORE
button again to start recording automatically from 0000.
Recording times is showed on the left upper corner, data is
showed on the right upper corner
（
Due to digitally limitation,
there is only display preceding four numbers
）