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Registering individual portables /
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P0992639 01 Modular ICS Companion Installer Guide
4. Press s, then press 0. The display shows
Deregister?.
5. Press s, then press 0 again. The display shows
Deregistering... and then Deregistered.
6. To continue using the portable, press r.
Measuring RSSI for a C3020 (Canada only)
The Receive Signal Strength Indicator (RSSI) is a
measurement of the signal strength the base station receives
from the portable.
The base station controls the power transmitting mode of the
portable.
• When the base station receives a weak signal, it instructs
the portable to transmit in high-power.
• When the base station receives a strong signal, it instructs
the portable to transmit in low-power.
The strongest RSSI value the portable displays is -44 dBm.
The weakest RSSI value the portable displays is
approximately -85 to -95 dBm.
Receive Signal Strength Indicator overrides
normal display.
You cannot receive calls while measuring
Receive Signal Strength Indicator.