6
7
AUTOMATIC SHUTOFF
If the meter is not used for 30 minutes, it will shut off automatically.
To disable automatic shutoff:
1. With the meter turned off, press and hold down the HOLD button.
2. Press the
POWER
button to turn the meter on. Release the
buttons. Two beeps will sound to indicate that automatic shutoff
is disabled.
3. The automatic shutoff feature will reactivate the next time the
unit is turned on.
BATTERY REPLACEMENT
The low battery indicator appears when the battery needs
replacement. Insert a fresh 9V battery.
PC CONNECTION
The Digital Output is a
9600bps N 81 serial interface.
The RX is a 5V normal
high input port.
The TX is 5V normal
high output port.
The command of Digital Output is listed below:
RS232 Command Function
Remarks
K(ASC 4BH)
Ask for model No.
Return 4 bytes
A(ASC 41H)
Inquire all encoded data
Return electrode 10 byte
H(ASC 48H)
Hold button
M(ASC 4DH)
Max/Min button
N(ASC 3EH)
Exit Max/Min mode
R(ASC 52H)
REL button
C(ASC 43H)
°C/°F button
U(ASC 55H)
Dump all memory of therm.
Return 32768 bytes
P(ASC 50H)
Load recorded data
