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4. Select the Channel Type.
Channel
Type
DC Control
Use this DC control option if the radio requires only a momentary DC current
Momentary
to perform the desired function.
DC Control
Some radios require that the control current be maintained constant in order
Constant
to perform the desired function. Use this option if your radio requires a
constant current.
Tone Control
Radio is controlled by way of audible tones.
Local (E&M)
A local control radio has only PTT and audio connections; it does not have
Control
control functions.
GE
Select this channel type for a GE EDACS MDX mobile trunked radio.
EDACS MDX
Trunked LTR
Trunked LTR radios are those that are identical to the E.F. Johnson 8600
series mobile radios. Refer to the EFJohnson radio manuals and the Zetron
Series 4000 LTR Trunking Control Option Operating Procedures (P/N 025-
9133).
Telephone
When the Telephone Control option is selected, the M4018/4118 console
Control
telephone interface will feature hands-free enhanced phone operation with
automatic audio routing between the phone and radio channels. With this
selection, the numeric keypad and the answer/hold mode operate differently
than they would with a radio (for more detail, refer to the S4000 Operator
Manual, P/N 025-9535).
Warning! The two channels used in a dual channel card must be
STOP
configured for the same channel type. For example, if channel
1 and channel 2 are both on the same dual channel card, both
channels must be configured as the same type. There are two
exceptions to this rule. (1) For a Universal Dual Channel Card,
each channel may be DC-Constant, DC-Momentary, Tone, or
Local. (2) For a Tone/Local Dual Channel Control Card, each
channel may be Tone or Local.
Note
Different channel types have different settings to be configured.
Depending on the channel type you have configured, some of the
following settings may not be relevant and available for
configuration.
Description
Using CPSW
201
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