Feature User Guide
Token does not apply to EMERGENCY button and ON/OFF/END/HOME key. These can be pressed on
both control heads at any time.
If control heads are different, when you operate on one control head, the second one displays screen saver.
6.9.2 Dual Control Head Link
Dual Control Head Link is a connection that occurs when both control heads are properly connected to the
transceiver and can communicate.
When the Dual Control Head Link is established, control heads play a tone and display
Dual Control Head
icon.
Full functionality is available on both devices.
When one control head cannot connect to the transceiver upon power up, the radio displays
Single Control Head
icon and enters Single Control Head mode.
When one control head disconnects from the transceiver during operation:
• The active control head displays
Link Error
icon.
• The inactive control head displays
Link Error
and shows
Link Error
display (if power is available).
Turning on/off one control head results in simultaneous turning on/off the second control head.
6.9.3 Audio Accessories
Depending on a call type, voice can be routed to control heads and audio accessories connected to them in different
ways.
During an outogoing group call, voice can be heard either on one control head or on both control heads (depending
on your service provider’s settings).
During an incoming group call, voice is always heard on both control heads. However, if two accessories are
connected to one control head (to the front and the rear connector), voice is transferred through only one of them, the
one with higher priority. Priority is following (from the highest): handset (must be off-hook), HSM, external speaker.
Private calls are always transferred to the control head that receives a call.
Only one microphone/PTT can be opened at a time. The microphone that is pressed as first is allowed to initiate
the transmission.
6.9.4 Transmission Monitor
This feature, if enabled, allows you to monitor group calls and hear ongoing voice transmission. You service
provider can configure it to work in one of the following ways:
• Call initiated on CH1 is heard on CH2.
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