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

Page 39

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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(.

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