Before accepting an inspection image, confirm which camera channel and app mode produced it. A phone with several cameras can provide different types of output, and a visible-camera specification should not be used to label an unidentified thermal file.
Make the channel observable
| Check | What the operator should identify |
|---|---|
| Selected view | The supplied app’s documented mode name |
| Image source | Thermal, visible, night vision or another confirmed source |
| Saved output | Which file corresponds to the selected view |
| Required information | Which labels, readings or scene details the task needs |
| Unclear mode | The support route before using the file in a report |
Use the manufacturer’s app instructions rather than recognizing a mode only by its colours. Ask the supplier to demonstrate capture and reopening on an approved sample. If the app changes views, confirm the new state before recording another asset.
Keep camera counts and pixel counts separate
The current P20 Pro thermal graphic lists 256 × 192 thermal resolution. That entry belongs to the thermal channel; it should not be replaced by a visible camera’s megapixel number. The R4 GT listing describes both thermal imaging and night vision, which remain different imaging tasks.
For example, a reporting form may need a thermal view and a visible context photo. The acceptance record should show which original file fulfils each requirement. A single attractive screenshot does not establish that both required outputs were saved.
No camera-mode or file-identification trial is reported here. Read the visible-versus-thermal pixel guide and ask Phonemax for the delivered app’s capture-mode instructions before defining the workflow.
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