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4.2.1A-Key, Alert
The ‘A’ key is used to send an Alert function over the iDen® system. Using the standard dialing keys, enter the ID of the radio. Press the “A” key to send the alert.
4.2.2B-Key, Send
The “B” key is used as a send button when placing a manually dialed phone call. Take the phone line offhook, dial the number, and then press the “B” key to connect the call.
4.2.3C-Key, Group Call
Enter the group number to be called followed by the “C” key. When the PTT button is pressed, a group call will be completed.
4.2.4D-Key, Direct Connect Call
Enter the Direct Connect number then press the “D” key. When the PTT button is pressed, the Direct Connect call will be completed.
Figure 7 - Manual DTMF key layout with iDen® commands
5 Audio Alignment Procedure
5.1.1Transmit Audio Alignment
The Transmit audio (Audio IN) to the iDen® Radio should not be overdriven. The levels to the radio should be at or near