Vaisala DM500 - Manual (Page 97)

Chapter 16 _____________________________________________________ Serial Line Commands
VAISALA _______________________________________________________________________ 95
Setting Commands
SERI Setting the Serial Communication
Parameters
Syntax: SERI [baud] [parity] [bits] [stops]
[duplex]<cr>
where
[baud]
= 300/600/1200/2400/4800/9600/19200/38400/57600/1
15200
[parity] = N (none)/E (even)/O (odd)
[bits] = 7 (7 bits)/ 8 (8 bits)
[stops] = 1 (1 stop bit)/2 (2 stop bits)
[duplex] = H(half-duplex)/F (full-duplex)
The current settings are output if you give the command without the
parameter fields. Factory default: 9600/8/none/1.
The fields can be given in any order. The new settings are valid
immediately after the change. If you choose a half-duplex mode, the
echo turns automatically into OFF-position.
>seri 19200 n 8 1 f
19200 N 8 1 FDX
>
UNIT Setting the Units
Syntax: UNIT [x]<cr>
where
x
= unit C or F (dewpoint, temperature, wet-bulb temperature),
g/m3 or gr/ft3 (absolute humidity), g/kg or gr/lb (mixing
ratio), kJ/kg or btu/lb (enthalpy), hPa or torr or psi or bar
(pressure), slpm or scfh (sample flow).
x =
m (metric)or n (non-metric)
The unit is set by typing the desired unit(s) after the command UNIT.
All the units change form metric to non-metric (or other way round)
by typing UNIT m or UNIT n. The display units change
simultaneously.