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Instrument Controls and Indicators
1. Positive (+) terminal
2. GUARD terminal
3. Negative (-) terminal
4. 9-pin remote control socket
5. USB device interface
6. Navigation/OK buttons and select burn/breakdown
7. TEST button with associated HV warning lamp
8. Backlight button
9. Range rotary switch
10. Save button
11. Test mode rotary switch
12. LED indicating line power / mains
13. Filter button
14. Display
15. Power socket
16. Functional earth terminal – S1-1568 only
User lock voltage
Delete records
Timer
Download via USB
Save
Filter
Open records
Alarm
Battery
Breakdown mode
Ramp test
Burn mode
Danger HV
Refer to manual
Fuse
Noise detected
Bluetooth
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