Fluke DTX-1800, Technical Reference Handbook

Page: 54 / 398

DTX Series CableAnalyzer
Technical Reference Handbook
1-28
Adjusting the Display Contrast
1 Press and hold
G
.
2 Use
B C
for coarse adjustments and
K
R
Fine
L
Fine
S
for fine adjustments.
3
J
Default Setting sets the contrast to the default
level.
4 Press
H
when you are done.
The setting is retained when you turn the tester off. The
contrast setting does not affect the battery life.
Setting the Power Down Timer
The power down timer turns off the tester after a selected
period of inactivity. The timer starts when the backlight
timer times out. If the backlight timer is disabled, the power
down timer starts whenever the tester is not being used.
The smart remote turns off after 60 minutes of inactivity.
This setting is not adjustable.
Note
The power down timer is inactive when the ac
adapter is connected or when the USB or RS-232
serial port is active.
To set the power down timer:
1 Turn the rotary switch to SETUP, use
D
to
highlight Instrument Settings; then press
H
.
2 Press
C
to go to the tab with the Power Down Time-
Out setting; then press
H
.
3 Use
D
to highlight the setting you want; then
press
H
.
Setting the Backlight Timer
The backlight timer turns off the backlight after a selected
period of inactivity. Using the timer to turn off the
backlight helps conserve battery power.
To set the backlight timer:
1 Turn the rotary switch to SETUP, use
D
to
highlight Instrument Settings; then press
H
.
2 Press
C
to go to the tab with the Backlight Time-Out
setting. Use
D
to highlight Backlight Time-Out;
then press
H
.
3 Use
D
to highlight the setting you want; then
press
H
.