CTD-N Technical Manual
P/N 95F-6000-00 (February 2017)
page 47
EAR-Controlled Technology Subject to Restrictions Contained on the Cover Page.
16. Enter the data file name (10 characters maximum) in the Enter the filename to store the
CTD data text box, and then click OK.
The Delayed Start Interval window opens indicating that the CTD is running in Delayed
Start Interval mode:
17. Click OK.
The Delayed Start Interval window and the CTD-N Configuration dialog box close. Data will
continue to be acquired and stored until data logging is stopped, the memory is full or the
battery pack is depleted.
18. Disconnect the test cable from the instrument and install the dummy plug.
CAUTION.
Failure to install the dummy plug will cause the connector pins to corrode and
may cause damage to the instrument.
19. Deploy the instrument in the required manner.
Using Battery End Cap Enabled Interval Mode
When the Autolog is not being used, it is important to enable the battery switched mode. To enable
this function choose View
➤
Terminal to open a terminal window. Then type ***O<CR> to get into
Open mode and BATSW=ON<CR>. Now the CTD-N will run in Interval operating mode whenever
power is applied. Connecting the battery-shorting plug will cause the CTD-N to open a file and start
taking interval data immediately. The files will be automatically sequentially named starting with
INT01. Once the deployment is completed the battery switch plug needs to be removed and the
adaptor cable connected. Another interval will automatically start and a new file created. This file
will not have data from the deployment and can be ignored.
Battery End Cap Enabled – Delayed Start Interval
It is possible to use Delay Start Mode with the battery switched end cap. In CTDPro, only use Delay
Start Interval in the Running Mode area. Setup the delay time and date normally and deploy. When
the Data Filename dialog box opens you need to enter a filename. Note that this file will be deleted
when the adapter cable is disconnected and the unit loses power. When the battery-shorting plug is
connected and power is restored, a file will be created (INT01 if this is the first file in memory) and
one interval will be run before the unit goes into low power mode. When the delay time arrives the
unit will start taking data intervals and append that data to the file started when the battery was
powered. Once the deployment is completed the battery switch plug needs to be removed and the
adaptor cable connected. Another interval will automatically start and a new file created. This file
will not have data from the deployment and can be ignored.
