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have been set for –10 dBm and the display units are subsequently
changed from dBm to Watts, the system still checks for the reading
to rise above –10, even though the display units type has been
changed. Enter a value from:
Setting a limit value automatically turns on the limit state, except
when done via GPIB.
LOW Limit
[LLIM]
Sets the low limit. It is not necessary to enter the units as the limit
value is checked against the displayed value.
HIGH State
[HLIMS]
Select ON or OFF to enable or disable high limit checking.
LOW State
[LLIMS]
Select ON or OFF to enable or disable low limit checking.
FAIL HOLD
[FHOLD]
If FAIL HOLD is ON, both the screen FAIL indicator and the BNC
output are held in the fail state whenever the limits specified for the
channel have been exceeded, regardless of whether the reading
subsequently goes into pass or not. This state remains until FAIL
HOLD is turned OFF.
BEEP
[FBEEP]
If BEEP is ON, and FAIL HOLD is OFF, whenever the limits speci
-
fied for the channel have been exceeded, a single beep sounds.
If fail BEEP is ON and FAIL HOLD is ON, whenever the limits
specified for the channel have been exceeded, a beep will sound
once every second until FAIL HOLD is turned OFF, or the CLEAR
key (CLR) is pressed.
The FAIL indication is not affected by the CLEAR key, and can only
be cleared by turning FAIL HOLD off. If a limit fail happens again,
the alarm will sound again.
ML2430A OM 4-15
OPERATION CHANNEL MENU
Units Min Max
dBm –99.99 +99.99
dBmV –53.00 147.00
dBµV
7.00 207.00
Watts 0.0 50.0
NOTE
In Profile mode, the
limit value is only
checked against dB
values as Profile mode
only works in dB.