The Sleep Mode
Enabling the Sleep Mode
To enable the Sleep Mode:
• Press and hold the RATE key, then
press the ON/OFF key.
• The characters SLP will be displayed
briefly.
• When you see – – – , release both keys.
• You’ll see the SLEEP indicator at the
top of the screen (Figure 9)
Figure 9 The Unit is Asleep
When the Unit Wakes Up
• It compares the current Rate with the
Rate Alarm thresholds.
• If a Rate Alarm is triggered, the unit
will stay awake.
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