2.1.6 Protective caps
If not used protect the two connections against damage (e.g. corrosion) caused by environ-
mental influences (e.g. dust or splashing) keep the protective caps in place (G).
2.1.7 Instrument view
(G) connections
(G) power supply
(C) 7 Ni-MH-rechargeable batteries
(Typ AA, 1100 mAh)
2.2 Overview of funktion keys
2.2.1 Overview
ON
Switching the instrument on or off
OFF
Returning to previous menu
Esc
F1
Function key: description in the text if key available
TB300 IR 6 03/2022
protective
caps
(E) fuse, 1 A, inert, 20 mm
(B) battery
compartment
(A) screws
cover
instrument back
(D) Lithium battery
(Typ CR 2032, 3V)
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