NARDA nbm-520, Operating Manual

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4.2 Displaying the instrument settings
Narda NBM-520
23
AUTO-ZERO
This value determines how often automatic zeroing is per-
formed.
The following settings are possible:
•
6 minutes
: auto zero every 6 minutes
•
15 minutes
: auto zero every 15 minutes
•
30 minutes
: auto zero every 30 minutes
•
60 minutes
: auto zero every 60 minutes
•
off
: auto zero function disabled
The default setting is
15 minutes
.
AUTO-OFF
To prevent discharging the batteries unnecessarily, the
instrument can be switched off automatically after a speci-
fied time without activity. This time is set by the
AUTO-OFF
value.
The following settings are possible:
•
6 minutes
: auto off after 6 minutes
•
15 minutes
: auto off after 15 minutes
•
30 minutes
: auto off after 30 minutes
•
60 minutes
: auto off after 60 minutes
•
off
: auto off function disabled
The default setting is
15 minutes
.
BACKLIGHT
The display backlight is activated each time you press a but-
ton and switches off after a specified time to prevent dis-
charging the batteries unnecessarily. This time is set by the
BACKLIGHT
value.
The following settings are possible:
•
off
: backlight is switched off permanently
•
5 s
: auto off after 5 seconds
•
10 s
: auto off after 10 seconds
•
30 s
: auto off after 30 seconds
•
60 s
: auto off after 60 seconds
•
permanent
: backlight is switched on permanently
The default setting is
10 seconds
.
AVG TIME
This value specifies the time period over which the results
are averaged.
You can use the PC software to set this time period between
4 s and 30 min in steps of 2 s.