Справочник Пользователя для Fluke 2640A
2640A/2645A NetDAQ
Users Manual
2-18
Front Panel Indicators
2-22.
The front panel indicators (Figure 2-9) consist of two five-digit displays and a set
of annunciators. Table 2-2 summarizes the front panel indicator functions.
of annunciators. Table 2-2 summarizes the front panel indicator functions.
REVIEW
LAST
MAX
MIN
REM
AUTO
SCAN
MON
SET
Mx+B
FUNC
ALARM
ALARM
°
C
°
F RO
mV AC DC
x1Mk
Hz
LIMIT HI
LO
OFF
CAL
CAL
PRN
EXT
EXT
CH
TR
1 2
Ω
F
Annunciators
Secondary Display
Annunciators
Primary Display
Figure 2-9. Front Panel Indicators
Table 2-2. Annunciator Display Descriptions
Annunciator
Description
REVIEW
Displays while reviewing the instrument parameters.
MAX
(Not Used.)
REM
Indicates active communications connection with the host computer (bright
display) or inactive communications (dim display).
display) or inactive communications (dim display).
SCAN
Displays while the instrument is scanning.
SET
Displays while setting the instrument parameters.
FUNC
Displays while monitoring a computed channel.
F
(Not Used.)
LAST
(Not Used.)
MIN
(Not Used.)
AUTO
Displays while monitoring a channel with Autorange selected.
MON
Displays while monitoring a channel.
Mx+B
Displays bright while monitoring a channel scaled with an M value other than
1 and/or a B value other than 0.
1 and/or a B value other than 0.
ALARM
Displays dim when the rear panel Master Alarm (MA) is logic low, meaning
one of the instrument channels is in alarm. Displays bright when an alarm
channel is being used as an Alarm Trigger.
one of the instrument channels is in alarm. Displays bright when an alarm
channel is being used as an Alarm Trigger.