TESTO 316-2 - First Steps; Charging the Battery; Using the Earplug

First steps6
Audible notification
The audible notification takes place with a signal tone whose interval frequency
increases with increasing gas concentrations. A continuous signal sounds when the
second alarm threshold is passed.
First steps
 Charging battery:
Use only the original mains unit 0554 1093!
The rechargeable battery can only be charged at an ambient temperature
of 0 to 45°C ( 32 to 113°F).
If the rechargeable battery is completely discharged, charging takes approx. 8h.
In order to ensure as long a battery life as possible, the battery shoud always be
completely discharged and recharged.
The instrument can continue to be used during charging.
1 Plug the mains plug into the country-specific adapter and then plug into the mains
socket.
2 Plug the instrument plug into the mains unit socket of the instrument.
- Charging begins:
, and light up alternately.
- Charging stops automatically when the rechargeable battery is full:
lights up.
 Using the earplug:
Use only the original earplug 0554 5001!
The instrument loudspeaker is deactivated when the earplug is plugged in!
> Plug the connection plug of the earplug into the earplug socket of the instrument.