Sealey TA320 - Manual (Page 9)

7. NEVER operate the meter unless the back cover and the battery
and fuse covers are in place and fastened securely.
If the equipment is used in a manner not specified by the
manufacturer, the protection provided by the equipment may be
impaired.
Controls and Jacks
1. 40,000 count LCD display
2. MAX/MIN (-)button
3. STORE(
4. RANGE(SETUP) button
5. INSULATION TEST button
6. MODE button
7. Function switch
8. mA, µA and 10A input jacks
9. REL(+) button
10. HOLD(PEAKHOLD>) button
11. EXIT(AC+DC) button
12. Backlight and RF button
13. Positive input jack
14. COM input jack
Note: Tilt stand and battery compartment are on rear of unit.