
DL9120 / DL9130
Operating Instructions
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4.2 LCD display
1. Icons for function key F1. These icons are used to display the
available options for the selected test. Repeatedly pressing
function key F1 cycles through the available options.
2. Icons for function key F2. These icons are used to display the
available options for the selected test. Repeatedly pressing
function key F2 cycles through the available options.
3. Icons for function key F3. These icons are used to display the
available options for the selected test. Repeatedly pressing
function key F3 cycles through the available options.
4. Icons for function key F4. These icons are used to display the
available options for the selected test. Repeatedly pressing
function key F4 cycles through the available options.
5. Zs/Ze progress indicator / Phase sequence indicator
6. RCD test icons. These icons display the selected RCD test
function.
7. RCD status. Indicates when the RCD has tripped during an RCD
test.
8. Phase sequence indicator
9. Battery status indicator. Shows the amount of charge in the
batteries.
10. Secondary display.
11. Primary display
12. Mains supply status icons. These icons indicate the status of the
mains supply between line and earth (L-PE), line and neutral (L-
N) and neutral and earth (N-PE) during RCD and Loop tests.