User's Manual

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Getting started | RS90 Operating Manual
Getting started
Caution: Under extreme operating conditions, the
temperature of the rear heat-sink on this radio may
exceed normal surface temperatures.
Caution is advised to prevent possible skin burns.
Handsets
All the operating functions of the RS90 are carried out using the
handsets. Each handset contains a microphone, a small internal
loudspeaker and various buttons for controlling the radio.
Two types of handset are available:
• Up to four wired handsets can be connected. There must be at
least one wired handset in the installation.
• Up to two wireless handsets can be installed. The wireless
handsets communicate with the transceiver by 2.4 GHz radio
communication. The wireless handsets are powered by internal
rechargeable batteries, and are charged by inductive charging
when on the cradle.
When there are multiple handsets in operation, they are
synchronized so that there is no conflict of operation and they each
display the same information on their screens.
Handset naming
Handset names appear on screen at times—for example, when
another handset has control of the radio.
Wired handsets HS1, HS2, HS3, HS4
The above handsets—1 standard and 3 optional—are connected to
the transceiver. The volume controls on these handsets control the
corresponding external speakers.
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Draft v5.0
27 Feb 2014