User Manual Part 1

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Figure 2-11 HHC Installation Components (Junction Box Not Used)
3. Connect the external speaker to Pins 1 and 2 of the accessory pigtail as described in Step
4 of the preceding section.
2.10.3 USING HHC TO PROVIDE DUAL CONTROLS OR DUAL
REMOTES
Dual Control Configuration
The handheld control unit can connected to a front mount transceiver to provide dual
controls. However, operation in this configuration may not be suitable because only one speaker
is available for both control units.
Either the internal speaker in the front mount radio or the external speaker connected to the
accessory cable (see Section 2.7) or junction box can be used. Connecting both speakers in
parallel is not recommended because the audio amplifier may become overloaded.
One control unit must be designated the Maser and the other the Slave (see Section 2.6.3).
The Master provides volume control. The other S1 switches should be left in the default
configuration.
Dual Remote Configuration
Both the HHC and a remote control unit can be used to provide dual remote control units.
The HHC is connected to one remote pigtail and the remote control unit is connected to the other.
The HHC provides volume control of the external speaker and the remote control unit controls its
local internal speaker.