Yaesu FT-4VR, Operating Manual

Page: 6 / 40

4
⑥
Function Key ( 26 )
Pressing the Function key activates the “Secondary” key function.
Press and hold the Function key enters the Set mode.
In the Set mode, pressing the Function key defines and saves the set-
ting.
⑦ Battery pack ( 12)
⑧
PWR/VOL Knob
• Turn this control clockwise to turn the transceiver ON and to increase
the volume.
• Counter-clockwise rotation into the click-stop will turn the transceiver
OFF.
⑨ Emergency Key
Press and hold it for three seconds to enable the Emergency Alarm
beep functions and display the Home channel VHF frequency.
⑩ TX/BUSY Indicator Lamp
This indicator glows green when the squelch opens, and it glows red
during transmit.
⑪ Speaker
⑫ LCD (Liquid Crystal Display)
The display shows frequecny and current operating condition.
⑬ Keypad
The functions of the keypad are described in detail on page 7.
⑭ SP jack
SP jack provides connection for an earphone.
⑮
MIC jack
MIC jack provides connection for a microphone or clone cable.