Vertex Standard VX-177 manual Dtmf Operation, Manual Dtmf Tone Generation, Dtmf Autodialer

DTMF OPERATION

The VX-177’s 16-button keypad allows easy DTMF dialing for Autopatch, repeater con- trol, or Internet-link access purposes. Besides numerical digits [0] through [9], the keypad includes the [￿] and [#] digits, plus the [A], [B], [C], and [D] tones often used for repeater control.

Manual DTMF Tone Generation

You can generate DTMF tones during transmission manually.

1. Press the [F] key, then press the [9(DTMF)] key to disable the DTMF Autodialer, if necessary. The “CODE” indication will ap- pear in the display for a moment.

2.Press the PTT switch to begin transmission.

3.While transmitting, press the desired numbers on the keypad.

4.When you have sent all the digits desired, release the PTT switch.

DTMF Autodialer

Nine DTMF Autodial memories are provided, allowing you to store telephone numbers for autopatch use. You can also store short autopatch or Internet-link access code streams so as to avoid having to send them manually.

Here is the DTMF Autodial storage procedure:

1. Press the [F] key, then press the [0(SET)] key to enter the Set mode.

2. Rotate the DIAL knob to select Set Mode Item 17: DT WRT.

3. Press the [F] key momentarily to enable adjustment of this Set Mode Item.

4. Rotate the DIAL knob to select the DTMF Memory register (“d1” ~ “d9”) into which you wish to store this DTMF string.

5.Press the [F] key momentarily to begin DTMF Memory entry into the selected register.

6. Rotate the DIAL knob to select the first digit of the DTMF string. Selectable entries are 0 - 9, and A - F, with E and F representing DTMF “￿” and “#” tones respectively.

7.Press the [F] key to accept the first digit and move to the next digit of the DTMF string.

8. Repeat steps 5 and 6 until you have completed the telephone number.

9. If you make a mistake, press the [￿(MHz)] key to move back to the previous digit, then re-select the correct number.

10. If the telephone number made up of numbers only, you may key in the telephone number directly from the keypad.

11.Press and hold in the [F] key for one second to save the setting.

12.If you store other numbers, repeat steps 4- 10 above, using a different DTMF memory register.

VX-177 OPERATING MANUAL 55