Elma 319
side 49
Manual or Auto-ranging
Press the RANGE button momentarily to select manual-ranging, and the meter will remain
in the range it was in, the LCD
turns off. Press the button momentarily again to
step through the ranges. Press and hold the button for 1 second or more to resume auto-
ranging.
Note: Manual ranging feature is not available in Hz,
, RPM, ms, DWELL & Duty
functions.
Set Beeper Off
Press the RANGE button while turning the meter on to temporarily disable the Beeper
feature. Turn the rotary switch OFF and then back on to resume.
Beep-Jack™ Input Warning
The meter beeps as well as displays “InEr” to warn the user against possible damage to
the meter due to improper connections to the
µ
A, mA, or A input jacks when other function
(like voltage function) is selected.
Auto-Power-Off (APO)
The Auto-Power-Off (APO) mode turns the meter off automatically to extend battery life
after approximately 34 minutes of no rotary switch or push button operations. To wake up
the meter from APO, press the SELECT button momentarily or turn the rotary switch OFF
and then back on. Always turn the rotary switch to the OFF position when the meter is not
in use
Disabling Auto-Power-Off
Press the SELECT button while turning the meter on to temporarily disable the Auto-
Power-Off (APO) feature. Turn the rotary switch OFF and then back on to resume.
Maintenance
WARNING
To avoid electrical shock, disconnect the meter from any circuit, remove the test leads
from the input jacks and turn OFF the meter before opening the case. Do not operate with
open case. Install only the same type of fuse or equivalent
Calibration
Periodic calibration at intervals of one year is recommended to maintain meter accuracy.
Accuracy is specified for a period of one year after calibration. If self-diagnostic message
“C_Er” is being displayed while powering on, some meter ranges might be largely out of
specifications. To avoid mis-leading measurements, stop using the meter and send it for
re-calibration. Refer to the LIMITED WARRANTY section for obtaining warranty or
repairing service.
Содержание BM319
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