E.F. Johnson Company 5300 ES Series, Руководство по эксплуатации

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March 2008 5300 ES Series Mobile Radio Operating Manual 5-13
Conventional Features
5.11 Standard Conventional Calls
Standard conventional calls can be placed to other radios monitoring the selected channel.
The proper coded Call Guard squelch tone or code or P25 NAC may need to be
transmitted by your radio for them to receive your call (see Sections 5.4 and 5.13.3).
5.11.1 Placing a Standard Conventional Call
To place a standard conventional call, proceed as follows:
1 Turn power ON and set the volume as described in Section 3.1. Select the channel
programmed for the radio you want to call (see Section 3.4.2).
2
Monitor the channel automatically or manually as described in Section 5.1.
3
Press the PTT switch and if the Busy Channel Lockout feature is programmed on the
channel, the transmitter is automatically disabled if the channel is busy (see Section
5.3). Otherwise, busy and out-of-range conditions are not indicated and speaking can
begin after monitoring the channel.
4 Press (and hold) the PTT switch to talk and release it to listen. When the call is
finished, place the microphone back on-hook.
5.11.2 Receiving a Standard Conventional Call
To receive a standard conventional call, proceed as follows:
1
Select or scan the channel programmed for the call you want to receive (refer to Section
5.10 for more scanning information).
2 After the call is received, take the microphone off-hook and press the PTT switch to
talk and release it to listen. If scanning, responses may occur on the priority, selected,
or receive channel as described in Section 5.10.2.
3 When the call is finished, place the microphone back on-hook.
5.12 DTMF / ANI Signaling
DTMF (Dual Tone Multi-Frequency) tones can be generated for ANI (Automatic Number
Identification) and other purposes on conventional analog channels. One of the following
options may be enabled on each channel: