VX-177 OPERATING MANUAL28
SPLIT TONE OPERATION
The VX-177 can be operated in a Split Tone configuration via the Set mode.
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 43: SPLIT.
3. Press the
[
F
]
key momentarily to enable adjustment of this Set
Mode Item.
4. Rotate the DIAL knob to select ON (to enable the Split Tone
feature).
5. Press the PTT switch momentarily to save the new setting and
exit to normal operation.
When the Split Tone feature is activated, you can see the following additional parameters
following the “DCS” parameter (while selecting the tone mode by pressing
[
F
]
[
1
(
SQ TYP
)])
:
D: DCS Encode only (the “ ” icon will blink during operation)
T DCS: Encodes a CTCSS Tone and Decodes a DCS code
(the “ ” icon will blink and the “ ” icon will appear during operation)
D TSQL: Encodes a DCS code and Decodes a CTCSS Tone
(the “ ” icon will appear and the “ ” icon will blink during operation)
Select the desired operating mode from the selections shown above.
TONE CALLING
(
1750 HZ
)
If the repeaters in your country require a 1750-Hz burst tone for access (typically in Eu-
rope), you can set the MONI key to serve as a “Tone Call” switch instead. To change the
configuration of this switch, we again use the Set Mode to help us.
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 27: M/T-CL.
3. Press the
[
F
]
key momentarily to enable adjustment of this Set
Mode Item.
4. Rotate the DIAL knob to select “T-CALL” on the display.
5. Press the PTT switch to save the new setting and exit to normal
operation.
To access a repeater, press and hold in the MONI key for the amount of time specified by
the repeater owner/operator. The transmitter will automatically be activated, and a 1750-
Hz audio tone will be superimposed on the carrier. Once access to the repeater has been
gained, you may release the MONI key, and use the PTT switch for activating the transmit-
ter thereafter.
CTCSS/DCS/EPCS OPERATION
