User's Manual

FCC ID: K6610333020
IC ID: 511B-10333020
Operating Manual
5/8
Vertex Standard Co., Ltd.
3,Operation
Preliminary Steps
 Install a charged battery pack onto the transceiver, as described previously.
 Screw the supplied antenna onto the Antenna jack. Never attempt to operate this
transceiver without an antenna connected.
 If you have a Speaker/Microphone, we recommend that it not be connected until you
are familiar with the basic operation of the VX-920/970.
Operation Quick Start
 To turn the top panel’s VOL/PWR knob clockwise to turn on the radio on.
 Pull and turn the top panel’s CH selector knob to choose the desired operating
channel. A channel number or channel name will appear on the LCD. (VX-
924/929/974/979 version only)
 Rotate the VOL/PWR knob to set the volume level. If no signal is present, press and
hold the Monitor button (the third button on the left side) more than 2 seconds;
background noise will now be heard, and you may use this to set the VOL/PWR knob
for the desired audio level.
Press and hold the Monitor button more than 2 seconds (or press the Monitor button
twice) to quiet the noise and resume normal (quiet) monitoring.
 To transmit, press and hold the PTT switch. Speak into the microphone area of the
front panel grille (center right-hand corner) in a normal voice level. To return to the
Receive mode, release the PTT switch.
 Press the top panel’s SEL1 and left side panel’s SEL2 button to active one of the
preprogrammed functions that may have been enabled at the time of programming by
the dealer. See the next section for details regarding the available features.
 Switch the top panel’s Toggle SW position to active one of the preprogrammed
functions which may have been enabled at the time of programming by the dealer.
There are three positions of [A (left)], [| (center)] and [B (right)] in the toggle switch.
See the next section for details regarding the available features.
 Press the DTMF keys on the telephone keypad to send DTMF tones. (VX-929/979
version only)
 If a Speaker/Microphone is available, remove the plastic cap and its two mounting
screws from the right side of the transceiver, then make the connector of the
Speaker/Microphone touch; secure the connector pin using the screw supplied with