Casing bottom, Display – Amprobe PQ55A Power-Analyzer User Manual
Page 9

9
20
Measurement data memory - Key to save individual measure-
ment data.
☞
After selecting the display of measurement data, the symbol 
[R] is displayed. The navigation keys 5 and 6 are used to 
select and display the measurement values, starting with 
the first storage place. The memory mode can be left again 
when pressing the key.
21
Power display. Toggle switch to change the display of power data. The 
selected display is characterised on the screen as follows:
t = total value
1 = phase 1
2 = phase 2
3 = phase 3
22
Energy measurement 
Key to change to the energy data display
23
Keyboard lock - The activated keyboard lock can be recognised 
by the “LOCK” symbol. It is not possible to lock keys 
and
24
Key to switch on and off. When switching the instrument On/Off 
and Backlight, the auto-power-off function is automatically 
activated, i.e. 30 minutes after the last keystroke, the instrument 
switches off automatically. To perform longterm measurements 
for example, the auto-power-off function must be deactivated 
as follows:
1)Switch off the instrument
 Press the “HOLD” key and keep it pressed while swit-
ching on the instrument. Keep the “HOLD” key pressed 
until the total display appears.
If the HOLD function has also be activated, press the
“HOLD” key again.
2)If the auto-power-off function has been deactivated, the 
symbol ø is no longer displayed on the screen ø.
Casing bottom
The instrument stand and the battery case are located at the instrument bottom.
Display
Q
NO.
P
5.1
5.2
5.3
5.4
5.5
5.7
5.8
5.9
5.10
5.11
5.6
S
5.12
5.13
5.14
5.15
5.16
5.21
5.22
5.17
5.20
5.18
5.19
