3.3.
Control key functions
Control keys
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and
4
First steps
4.1.
Charging the rechargeable battery
The rechargeable battery can only be charged at an ambient
temperature of ±0 to +35 °C. If the rechargeable battery has been
completely discharged, charging time at room temperature using
the testo mains unit is approx. 6 h.
> Connect battery charger (0554 1105) to a mains socket and
connect the printer.
Charging in the measuring instrument
1. Plug the mains unit instrument plug into the instrument's micro
USB socket.
2. Plug the mains plug of the mains unit into a mains socket.
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The charging process will start. The charging process will stop
automatically when the battery is fully charged.
Battery care
> Do not fully exhaust rechargeable batteries.
Functions
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•
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If stored for a prolonged period of time, the battery should
be charged every once in a while because otherwise this
may result in damage due to deep discharge.
Switch on printer:
press key < 2 s
Switch off printer:
press key > 2 s
Short paper feed:
press key < 1 s
Long paper feed:
press key > 1 s
Start printout:
press key < 1 s
Start a test print (printer is switched off):
press keys simultaneously
4 First steps
15