Message 0; Figure 18 Illustration Of Contents Of Messages 0, 1, And 2 - Vaisala PWD22 User Manual

User's Guide _______________________________________________________________________
10 680 1230
↓↓ ↓ ↓
------ 10 min ave visibility
------- one minute average visibility
- 1=hardware error, 2= hardware warning, 
3= backscatter alarm, 4= backscatter warning
- 1= visibility alarm 1, 2= visibility alarm 2,
3 = visibility alarm 3
Example with frames
PW 1 00 680
PW 1 00 680
1234567890123456789012345
NUMBERS mark the character positions.
58____________________________________________________________________ M210543EN-B
where
id = Unit identifier, 2 characters. If the ID is not defined,
characters space and 1 are shown.
= Start of text (ASCII 2, non-printable character).
message body
= End of text (ASCII 3, non-printable character).
= CR + LF (ASCII 13 + ASCII 10).
The contents of messages 0, 1, and 2 are illustrated in Figure 18
below.
← ← ← ← THE FIRST ROW IS THE OUTPUT
1230
1230
Figure 18 Illustration of Contents of Messages 0, 1, and 2

Message 0

Message 0 displays only the one-minute average visibility and
ten-minute average visibility.
00 680 1230
------ 10 minute average visibility
------- one minute average visibility
- 1=hardware error, 2= hardware warning,
3= backscatter alarm, 4= backscatter warning
- 1= visibility alarm 1,
3=visibility alarm 3

FIELD

DESCRIPTIONS
2= visibility alarm 2,