3.2 Power supplies SPM-32A ... SPM-36A
3-4
Low batteries
If the batteries are low,
– "BATTERY?" is displayed, and
– the instrument is switched off automatically after a few
minutes.
The built-in lithium battery ensures that the memory contents
are retained.
Fig. 3-3 Battery low warning
• The battery low warning "BATTERY?" is temporarily
cleared when you press a function key. It will however
reappear after about a minute because the battery
voltage is measured at one-minute intervals.
• The warning will also be displayed when the instrument is
powered by the AC adapter and there are no batteries in
the set.
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