Vertex Standard VXA-220 Operating Manual page 44

POBP
Function: Select the Power on Beep.
Available Values: MD1/MD2/MD3/oFF
Default Setting: MD1
Note: You will hear the different selections as you rotate
the DIAL selector knob.
IMIC
Function: Internal Microphone On/Off.
Available Values: on/oFF
Default Setting: oFF
This controls the status of the radio's internal microphone
when an external microphone (such as the MH-44
Speaker Microphone or an aviation headset connected via
the CT-60 Headset Cable) is in use. In most applications,
set this Menu Item to "oFF" for proper operation (this
disables the internal microphone). The internal micro-
phone will still function normally when the external mi-
crophone is disconnected.
42
M "S " M
ENU ET
EMRG
Function: Emergency channel On/Off.
Available Values: on/oFF
Default Setting: on
This controls the operation of the Emergency [ 121.5 ] key.
When set to "oFF," this key will not function. You can
still use the frequency 121.5 MHz either by entering it on
the keypad in the VFO mode, or by recalling it on a previ-
ously-stored memory channel.
TOT
Function: Setting of the Time-Out Timer countdown time.
Available Values: 1/3/5/oFF (minutes)
A4B
Default Setting: oFF
The Time-Out Timer shuts off the transceiver after con-
tinuous transmission exceeds the programmed time.
DIMM
Function: Setting of the display brightness level.
Available Values: LV1 ~ LV4
Default Setting: LV3
VXA-220 P
ODE
VI O
RO PERATING
M
ANUAL