Sentinel V SC and RT Operation Manual
September
2017
EAR-Controlled Technology Subject to Restrictions Contained on the Cover Page.
Page 185
If the command is not valid, the Sentinel V Real-Time responds with an error message similar to the fol-
lowing.
>CRA<CR> [Your input]
>CRA ERR 002: NUMBER EXPECTED<CR><LF> [Sentinel V Real-Time response]
>
After correctly entering all the commands for the application, send the CS-command to put the Sentinel V
Real-Time into the ping mode and begin the data collection cycle.
Data Output Processing
After the Sentinel V Real-Time completes a data collection cycle, it sends a block of data called a data en-
semble. A data ensemble consists of the data collected and averaged during the ensemble interval (see
). A data ensemble can contain header, leader, velocity, correlation magnitude, echo intensity,
percent good, and status data.
Sentinel V Real-Time output data can be in either hexadecimal-ASCII (Hex-ASCII) or binary format (set
). The Hex-ASCII mode is useful when using a terminal to communicate with, and
view data from the Sentinel V Real-Time. The binary mode is useful for high-speed communication with a
computer program. Do not use the binary mode to view data on a terminal since the terminal could inter-
pret some binary data as control codes.
Most of Teledyne RD Instruments’ software supports binary PD0 Output Data Format.
When data collection begins, the Sentinel V Real-Time uses the settings last entered (user settings) or the
factory-default settings. The same settings are used for the entire deployment. If the user setting are saved
(see
) then the Sentinel V Real-Time will always use the user settings until a factory
default is recalled, or use the last entered settings, if any, or until power is turned off. The following three
rules apply for setting-up the Sentinel V Real-Time:
1.
The last entered command of a particular command takes precedence,
2.
The last entered commands will be kept in volatile memory until power is shutdown (only CK will
keep these in non-volatile memory, see
).
3.
The user can recall the factory default-settings at any time (see
).
The Sentinel V Real-Time will continue to be configured from volatile memory until it receives a CR-
command or until the volatile memory loses its backup power. If the Sentinel V Real-Time receives a CR0
command, it will load into volatile memory the command set last stored in non-volatile memory (semi-
permanent user settings) through the CK-command. If the Sentinel V Real-Time receives a CR1, it will
load into volatile memory the factory default command set stored in ROM (permanent or factory set-
tings).
