Service Operations and Testing
Testing the Indicator
VT300 Technical Manual, Rev. A4
74
Doc # TM-VT300-EN
The least significant digit next to the word
OUT
shows data sent on digital
output 2, when you toggle it on (see step 4).
3. Press
1
to toggle output 1 on and off. If the output connects to another device, you
can check if the signal was received.
4.
Press
2
to toggle output 2 on and off. If the output connects to another device,
check if the signal was received.
5. Connect a device to the digital input, and send a signal. See if the data appears
next to
INP
.
8.2.4
Testing Data Received on Both Serial Ports (TEST > PORT)
To test data received on one or both serial ports:
1. Press
MENU
and navigate to
SYSTEM
>
TEST
>
PORT
.
2. The display shows
Rx1
and
Rx2
, where:
Rx1
is data received on port 1, in ASCII Hex.
Rx2
is data received on port 2, in ASCII Hex.
3. Connect a PC or another device to one or both of the indicator’s ports, and begin
transmitting data. Watch the display to see if the data is received properly.
