User Manual

8
5. Power supply
5.1 Battery Charger Setup
When first using the battery charger, select the appropriate
plug connector for use in the AC power outlet (several sty-
les provided). Align the holes in the rear side of the plug
connector (
➀) with the pins in the receptacle in the battery
charger body (
➁) and push. When properly seated, you will
hear a click and the plug connector will not move. The
charger is now ready for use.
Change the Plug Connector
To remove the connector from the battery charger, slide the
switch on the battery charger (
➂) up and the connector will
pop out. To insert a different plug connector follow the pro-
cedures described in Battery Charger Setup.
5.2 Charge the battery
Charge the battery before first use or when the “LOW BAT“
indicator appears on the LCD.
NOTE:
When the “LOW BAT” indicator is shown, the
testo 476 has
approximately four minutes of operating time remaining.
When the “LOW BAT” indicator flashes on and off, the bat-
tery is empty and the
testo 476 will automatically switch off.
Before first use, you must set up the battery charger. Refer
to 5.1 Battery Charger Setup.
1 Insert the barrel plug end of the battery charger into the
Battery Charger Jack on the
testo 476.
2 Plug the charger into a wall outlet.
- The red light on the charger will illuminate continuously
while the battery is charging.
- The red light will flash when the battery is fully charged.
The instrument will recharge in about two hours (three
hours maximum).
➀
➂
➁