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4-1 0. EXTERNAL SPEAKER FUNCTION (SP)
SP amplifies the received audio from the radio and outputs it through a
dedicated PA speaker. The 20 W (maximum rating) speaker is usually a normal
cab-type speaker mounted inside a large vehicle such as a bus, or weather-
proof speaker mounted external to the vehicle. The external speaker enables
the vehicle operator to hear incoming calls while outside the vehicle, but still
within hearing range of the speaker.
SP mode is activated by pressing the front panel SP key (or other designated
switch). A confirmation tone sounds and the display shows an SP icon. SP
can be activated at anytime (scanning or non-scanning). The radio transmits
and operates normally while SP is activated, but all received calls will be output
through the PA speaker. If
SP
is pressed again, a confirmation tone sounds,
the SP icon goes off and the SP function is defeated.
4-1
I . ALPHANUMERIC FUNCTION (AN)
This function switches the 13-segment display between alphanumeric display
and channel display.
If you want to change from alphanumeric display to channel display, press the
AN switch momentarily. A confirmation tone sounds, and the alphanumeric
display changes to the channel display.
If the AN switch is pressed momentarily again, a confirmation tone sounds, and
the channel display changes back to the alphanumeric display. (Requires
optional KCH-5 for alphanumerics
on
the Basic front (KCH-3).)
*
4-12. INTERCOM FUNCTION (IC)
[Dual Control Head radios only]
Intercom(1C) allows one control head operator to talk to the other control head
operator such as in an ambulance or on a firetruck. IC mode is activated by
pressing the front panel IC key (or other designated switch). A confirmation
tone sounds and the display shows INTERCOM (or IC). IC can be activated at
anytime (scanning or non-scanning). The radio continues to scan & receive
calls while in IC mode. Pressing P I T activates IC and will override an incoming
call at anytime; however,
no
radio transmission takes place. If IC is pressed
again, a confirmation tone sounds, the display returns to the normal channel or
SCAN (SC) display, and the IC function is defeated.
4-13. HOME CHANNEL (HC)
This feature allows the radio operator to immediately select a pre-determined
"home channel" by pressing the designated HOME CHANNEL key (as opposed
to selecting it by the channel knob and/or group keys). This feature operates in
both scanning and non-scan modes. If your dealer has assigned the HOME
CHANNEL to a front panel key, it can be selected as follows:
Home Channel access:
a
Press the HC key once.
Non-Scan Mode:
The display will change to the home channel.
15
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