Front panel interface, Overview, Operating modes – Lab.gruppen PLM 20K44 User Manual
Page 29: Warning, fault and mute indications
7. Front Panel Interface
PLM+ SERIES Operation Manual rev 1.0.0
29
7. Front Panel Interface
An overview of the front panel interface is provided in section 4.1. This chapter describes each cluster of controls
as shown in the diagram below.
3
1
2
4
5
6
7
8
9
12
11
10
2
1
7.1. Overview
The front panel interface is framed by two sturdy cast aluminium handles
1
and metal grill protecting the air intake
and dust filters
2
. The majority of PLM+ functions can be controlled and/or monitored via the frontpanel LCD
display screen
3
, power button
4
, function buttons
5 6 7
12
8 9
and rotary encoder
11
.
7.1.1. Operating Modes
The front panel has two basic modes: Meter Mode and Menu Mode.
• Meter Mode provides the following views: Home view, Amplifier Meters view / LoadPilot view, Temperature
Meters view, Input Meters view and Module Meters view. To navigate through these views, press the METER
button or turn the rotary encoder button. Please refer to section 7.10 for further information on Meter Mode.
• Menu Mode provides various menus for viewing and editing parameters and is selected by pressing the MENU
button. Select the required submenu by pressing the associated button.
7.1.2. Warning, Fault and Mute Indications
Fault or warning conditions are indicated via the LEDs embedded in the dynamic function buttons; a simultaneous
description is shown adjacent to the button, on the LCD. The LEDs to the left of the LCD indicate problems with
the PLM+ or its inputs, while those to the right indicate problems with the power output channels.
Please note that the same LEDs also indicate the mute status of inputs (left) and outputs (right). Further information
on faults and warnings is provided in section 7.8.5 and section 9.1.