7 test mode – Rice Lake 120 Digital Weight Indicator User Manual
Page 39

Appendix
35
7.7
Test Mode
In addition to normal and setup modes, test mode
provides a number of diagnostic functions for the 120,
including:
•
Display raw A/D count
•
Display digital filter raw counts
•
Reset configuration parameters to default values
•
Transmit test character (“U”) from serial port
•
Display characters received by serial port
To enter test mode, press and hold the setup switch.
After about three seconds, the test mode display
automatically shifts to the first test menu function,
A/
DTST
.
Figure 7-3 shows the Test Menu structure. Note that,
because the Test Menu functions are all on a single
menu level, the
GROSS/NET
( ) key has no function.
Press the
ZERO
( ) key to exit test mode.
Table 7-5 on page 35 summarizes the test menu
functions.
A/DTST
FILTR1
FILTR2
FILTR3
DEFLT
XMT U
ECHO R
Figure 7-3. Test Menu
Table 7-5. Test Menu Functions
TEST Menu
Function
Description
A/DTST
Display A/D test
Press and hold Enter key to display raw count from A/D converter.
FILTR1
FILTR2
FILTR3
Display filtered raw count for digital filters 1–3
DEFLT
Default parameters
Press setup switch and Enter key at the same time to reset configuration and calibration parameters to factory
default values. Load cells must be recalibrated before using the indicator (see Section 4.0 on page 21).
XMT U
Transmit “U”
Press and hold Enter key to send ASCII “U” characters (decimal 85) from the serial port.
ECHO R
Echo received characters
0 1 _ N 4 E
Order
Received
Character
ASCII
Value
When Ready is displayed, press the Enter key to view characters received at serial
port. The first two digits show the order of the character received (see diagram(.