London Electronics INT-AH, Руководство пользователя

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Page 11
Alarm settings
NOTE : totalisation stops during alarm adjustment
Alarm 1 and 3 relate to the accumulated total. Alarm 2 and 4 relate to pulsed
outputs.
If you press the ALARMS button momentarily, you can view each of the 4 alarm
settings (each press will illuminate in turn AL1, AL2, AL3 and AL4 LEDs).
alarm settings are not locked out by the lockout switch.
To change alarm settings, select the alarm you wish to change as shown above
until its LED is flashing, then press the ALARM key for more than 3 seconds.
You will see one digit is brighter than the others. You can change its value using
the UP/DOWN buttons, and then select other digits with the DIGIT pushbutton.
When the value has been set, press OK.
The alarm action is now displayed. This will show ’HI’ for HIGH alarm action,
or ‘off’ for NO alarm action. You can change this with the UP/DOWN buttons.
Press OK when set.
Alarm channel LED will
flash.
Here, we see that Alarm
1 has its setpoint at
250.00
DIGIT
Min.
ZERO SPAN / dp
ZERO SPAN & d.p.
MAX / MIN TARE
ALARMS
OK
▲
RESET
▲
OUTPUT
AL1
AL2
AL3
AL4
0% O/P 100% O/P
Lineariser
Max.