Emergency Button
Press and hold this button to enter Emergency Mode.
When the MTP850 Ex/MTP810 Ex is powered down, press and hold this button to power On in Emergency Mode or in standard mode (as programmed).
Function Keys
For information on the function assigned to each Side key, please refer to your Service Provider.
The required time you need to press the Side keys to activate a
Side Keys
The Rotary knob and Side key programming are paired:.
Rotary Knob | Side Key Programming | |
Programming | ||
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Dual control | Programmed to a | |
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List control | : Volume Up | |
: Volume Down | ||
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Volume control | Programmed to a | |
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When the Rotary knob is programmed to volume control or dual control, the Side keys support the
Speaker Control Key
Press to activate the earpiece (low audio) or speaker (high audio), depending on the menu settings.
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