10
Chapter 2 TH1942 Overview
2.1 Front Panel Summary
The front panel of the TH1942 is shown in Figure 2-1. This figure includes some important abbreviated
information that should be reviewed before operating the instrument.
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CAT
Ⅰ
(
1000V
)
CAT
Ⅱ(
300V
)
Ω
COM
20A
T1AL 250V
ALL INPUT
1KV MAX
500mA
MAX
V
1000V
MAX
DC I
AC I
Period
dB
dBm
%
Comp
Hold
Menu
Local
2nd
DC V
AC V
Ω
Freq
AC+DC
Rel
Rate
Esc
Shift
Trig
Auto
mA
DC
AC
MED
FAST
SLOW
REL
HOLD
TRIG
MATH
AUTO
DC
AC
COMP
AUTO
MAX
MIN
SHIFT
RMT
IN
LO
HI
ERR
POWER
ON
OFF
50000 Count Multimeter
TH1942
Figure 2-1
TH1942 Front Panel
1. Measurement Function keys (shifted and unshifted)
Select measurement function: DC voltage and current, AC voltage and current, resistance,
continuity, frequency, period, dB, dBm, True RMS AC+DC and diode test.
2. Math function keys
Select the math function: Rel, %, Max/Min, Comp and Hold.
3. 2
nd
Display and speed key
Changes reading rate: Fast, Medium and Slow.
+
turn on or off the 2
nd
parameter display.
4. Menu operation keys
Shift
→
Open/Close menu
Move through selections within menu level, command level or parameter level
Move through selections within menu level, command level or parameter level.
Move up a level.
Move down a level.
(ENTER) Save the change made on
―
parameter
‖
level, and return to the
―
command
‖
level.
Cancel the change made on
―parameter‖
level, and return to the
―
command
‖
level.
5. Range and Combination function selecting keys
Select a 2
nd
display parameter
Select a 2
nd
display parameter
Primary
Display
Secondary
Display
On /off
Switch
Current
Input fuse
Input terminals
5. Range
Selection
1. Function keys
2. Math function keys
4. Menu
Operation
3. 2
nd
Display
And speed keys
7. Shift/local
Keys
6. Hold/Trig
Keys
