Product Manual

RS-232 Interface

COM Port settings:

Baud rate 9600

Bits 8

Parity NO

Stop bit 1

Flow Control None

Program:

Use Hyper Terminal or custom software to communicate. Turn off echo. The

unit will echo any character it receives to verify communication.

Commands:

v Lowers volume

V Raises volume

g Increases range (lower gain)

G Decreases range (raise gain)

b, B Check battery voltage

r Turns OFF status report

R Turns ON status report

? Causes a status report to be sent

l Specifies short status report

L Specifies long status report

d Turns off debug mode

D Turns on debug mode

z Zero + 1 step per command

Z Zero - 1 step per command

a, A Initiate auto zero

s, S Toggle sample rate

Report String Description:

Long version using send character = “L”, Total characters = 58

$SIG=_±XXXE-X,_GAIN=_X,_BAT=_XXXE-1,_VOL=_X,_Z=_XXX,_A=_X!

Short version using send character “l” (lower case L), Total characters=22

$SIG=_±XXXE-X,_GAIN=_X

Underscore in string represents a SPACE character. It is not output as an un-

derscore but as a space.

Example: $SIG= ±XXXE-X, GAIN= X, BAT= XXXE-1, VOL= X, Z= XXX, A= X!