34
is within the selected window (0.01%, 0.1%, 1% and 10
%) of the ―
s
eed‖ reading. If the readin
g is within
the window, operation again loops back within the measurement sample block. This looping continues
until the specified number (2
–
100) consecutive readings are within the winder. If one of the readings is
not within the window, the instrument
acquires a new ―
s
eed‖ reading and the hold process continues.
4.2.2 Reading Hold
When a hold reading is acquired as described in ―
Measurement Sample
‖, an audible beep is sounded (if
enabled) and the reading is considered a ―true measurement‖. The reading is held
on the display until an
―out of window‖ reading occurs to restart the hold process. The reading hold feature allows you to
capture and hold a stable reading on the display.
Take steps below to enable and set reading hold function.
1. Press
Shift
+
Trig
to enable reading hold function
2. Press
Shift
→
to enter the menu on the menu level, ―
A: MATH MEU
‖ will be displayed.
3. Use
or
key to move across to the TRIG ME
U on the menu level, ―
B: TRIG MEU
‖ will
be displayed.
4. Press
to move down to the command level within the TRIG ME
U, ―
1: TRIG MOD
‖ will b
e
displayed.
5. Use
or
to select ―
2: HOLD WIN
‖.
6. Press
to move down to the command level within the
HOLD WIN
‖.
7. Use
or
key to select a window percentage (0.01%, 0.1%, 1%, 10%).
8. Press
(ENTER) to confirm the selection. The message ―
SAVED
‖ will be dis
played to show
that the change is now in effect. TH1942 automatically exits the parameter level and moves up a
level to the command level.
9. Use
to move across to the
TRIG MOD
command on the command level, ―
3: HOLD CNT
‖ will
be displayed.
10. Press
to move down a level to enter a count value. (Default count is 5)
11. Use
and
keys to choose a numerical place and use
and
keys to
increment or decrement the digits. Enter a value of count (from 2 to 100).
12. Press
(ENTER) to confirm the count. The message ―
SAVED
‖ will be displayed to show that
the change is now in effect. TH1942 will exit the parameter level and move up a level to the
command level.
13. Press
Shift
→
key to exit from the menu and return to the measurement status.
4.3 MAX / MIN
―
MAX / MIN
‖
function enables TH1942 to record the minimum and the maximum readings. If
―
MAX /
MIN
‖
function is enabled, the 2
nd
display parameter indicates the latest maximum or minimum reading.
Use the following procedure to turn on the turn on the
MAX / MIN
operation:
1. Press
to enable the
MAX / MIN
function
2. Use
or
key to cycled view the maximum reading and minimum reading.
3. Press
key to exit from the menu.
