5. Preparation and Functions
22
G
• Recharging should take place in a room with an ambient temperature range of 10°C to 40°C
(50°F to 104°F).
• Do not perform charging with others except the AC/DC converter AD-15.
• For longer battery life, conform to the suggested charging time to the extent possible.
• The battery source will discharge when stored and should be checked before using with
instrument.
• Be sure to charge stored battery source every 3 or 6 months and store in a place at 30 °C or
below. If you allow the battery to become completely discharged, it will have an effect on future
charging.