Name And Function Of Each Part; Front Panel - Sony LT20A-101 Anleitung

4. Name and function of each part

4-1. Front panel

1 CH input model : LT20A-101/101B/101C
LT30-1G/1GB/1GC
P M A X M I N P — P C P H1 2 3 4
P
RESET
2 CH input model : LT20A-201/201B/201C
LT30-2G/2GB/2GC
P M A X M I N P — P C P H1 2 3 4
A+B
Main display
P
M A X M I N P — P C P L1 2 3 4
BA
RESET
P
A
RESET
2
B
6
(E)
3
mm
C P L1 2 3 4
MODE COMP
SET
1
mm
mm
4
7
MODE COMP
8
SET
6 5
1
: Go/No Go test result indicator
Gives the result of comparing the displayed value to the
comparator's upper and lower limits. ∆ Over upper limit,
\ between upper and lower limit, ∇ under lower limit.
2 RESET
RESET
: Reset key
RESET
B
A
<For the setting which does not uses the reference
point>
• Resets the displayed value to zero.
• When a value has been preset it returns to this.
<For the setting which uses the reference point>
• When held down for two seconds, the unit enters the
reference point signal input wait status.
3
: Preset key
P
Enters the preset mode. (For the current value,
maximum value, and minimum value.)
4
: Measuring mode setting key
MODE
Key to enter the mode for selecting one of maximum,
minimum, peak-to-peak (maximum–minimum), or
current values.
5
: Comparator value setting key
COMP
Key to enter the mode for setting the comparator upper or
lower limit.
6
: Setting key
SET
Set a mode or a value.
7
: Number selection key
Selects the number for the digit chosen.
8
: Digit selection key
• Selects the digit to change when setting numeric
values.
• Normally, when it is held down for 5 seconds, key
lock is established; alternatively, if key lock is already
established, it is released.
LT20A / LT30 Series