Emergency Switch
No modifications are required to use the optional emergency switch. Re-
fer to the connection diagram for wiring details.
External And Remote Internal Speakers
No modifications are required to use a single external speaker with the
radio (a horn speaker is configured as an external speaker). If a remote inter-
nal speaker is used in addition to the external speaker, the radio jumper con-
figuration must be changed. See Table 1, Figure 3, and the connection
diagram for details.
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Figure 3 - Speaker Wiring