A&D TM-2440 - Preparing the Recorder; Installing Batteries (Replacing Batteries)

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7. Preparing the Recorder
7.1. Installing Batteries (Replacing Batteries)
Install two new batteries in accordance with the correct "+" and
"-" direction inside the battery compartment before attaching
the recorder.
Replace both batteries at the same time.
Remove batteries from the recorder if it is not used for a long
period of time. Batteries may leak and cause a malfunction.
Use two alkaline batteries : type LR6 or designated
rechargeable AA Ni-MH batteries.
When installing the battery in the battery compartment, first,
push the spring terminal using the "-" terminal of the battery.
Next, insert the "+" terminal.
If the battery is installed from the "+" terminal, the coating of the
battery may be damaged by the spring terminal.
Do not mix and use different kinds of batteries or used batteries
and new batteries. It may cause a leak, heating or damage.
Note
When the level 1 of the battery level is displayed, replace
with two new batteries before attaching the recorder.
The recorder cannot perform blood pressure measurement or data
transfer while the level 1
is displayed.
When the battery and built-in battery are dead, nothing is displayed.
Install batteries in accordance with the direction symbol ( ).