Set the relative.
Syntax :SYST: REL <data×1>
<data> “0” (off) or “1” (on)
Example; “:SYST: REL 1”
Response “OK” or “CMD ERR”
Query the status of the meter.
Syntax :STAT?
Response “<ABCDEFGHIJKLMNOPQRSTUVWX>” (24char)
A---Recording “0”(OFF) or “1”(MAX) or “2”(MIN)
B---Relative value (REL) “0”(OFF) or “1”(ON)
C---Filter “0”(OFF) or “1”(ON)
D---Beep “0”(OFF) or “1”(ON)
E---APS “0”(OFF) or “1”(ON)
F---Battery level “0”~“3”
G---Input warning “0”(normal) or “1”(warn)
HI---Rotary position “00”~“99”(from OFF)
J---HOLD “0”(OFF) or “1”(ON)
K---Auto Hold “0”(OFF) or “1”(ON)
L---Auto Range “0”(OFF) or “1”(ON)
M---Backlight “0”(OFF) or “1”(ON)
N---Backlight Auto OFF “0”(OFF) or “1”(ON)
O---SLOW “0”(OFF) or “1”(ON)
P---Peak measurement “0”(OFF) or “1”(ON)
Q---Clump range “0”~“6”
R---DCmA percentage “0”(4-20mA)or“1”(0-20mA)
S---Index of threshold of continuity “0”~“3”
T---Index of threshold of diode “0”~“6”
UV---Index of impedance of dBm “00”~“19”
W---reserved “0”
X---reserved “0”