45
46
9 Setup
mode
User can press SELECT key for bootstrap and entry into setup mode. User can set automatic
power-off time (SE1), automatic backlight OFF time (SE2) and default frequency mode of
harmonic function (SE3) under setup mode. User also can press SELECT key for a short time
for SE1 & SE2 switchover and SE2 setup functions.
User shall press SAVE key to save setup and enter into normal measurement mode after setup.
He also can press CLEAR key for a short time under setup mode to restore ex-factory default
setup. He also shall press SAVE key for saving.
9.1
Setup of SE1 automatic power-off time
As shown in Figure 28, user can press SELEST key for bootstrap and entry into setup mode.
User also can press SELECT key for switchover to SE 1 setup.
Figure
Automatic power-off time can be set as follows by pressing UP or DOWN key:
1
10m: 10 minutes
2. 20m: 20 minutes
3. 30m: 30 minutes
4. OFF: Automatic power-off function is OFF.
9.2
Setup of automatic OFF time of SE2 backlight
As shown in Figure 29, user can press SELEST key for bootstrap and entry into setup mode.
He also can press SELECT key for switchover to SE 2 setup.
Figure
Automatic backlight OFF time can be set as follows by pressing
UP or DOWN key:
1
10s: 10 seconds
2. 20s: 20 seconds
3. 30s: 30 seconds
4. OFF: Without automatic backlight OFF
9.3
Setup of default frequency mode of SE3 harmonic function
As shown in Figure 30, user can press SELEST key for bootstrap and entry into setup mode.
He also can press SELECT key for switchover to SE 3 setup.
Figure
Default frequency mode of harmonic function is as follows by
pressing UP or DOWN key:
1. 50Hz can be used as current signal frequency for fixed
measurement;
2. 60Hz can be used as current signal frequency for fixed
measurement;
3. AUTO: Actual frequency of current measurement signal
can be gained automatically for measurement;
UT241/242/243 OPERATING MANUAL
UT241/242/243 OPERATING MANUAL
