ANTENNA JACK
Connects an antenna to the transceiver. Use a marine VHF antenna with
an impedance of 50 ohms.
MICROPHONE
Transmits the voice message with reduction of background noise, using
Clear Voice Noise Reduction Technology.
NOTE: Be sure your mouth is about 1.5 cm from the mic hole for best
performance.
PTT (Push-To-Talk) SWITCH
Keys the transmitter when the transceiver is in radio mode.
[ ( UP )] / [ ( DOWN )] KEYS
The [ ( UP )] and [ ( DOWN )] keys on the microphone function the same
as the [ ( UP )] and [ ( DOWN )] keys on the front panel of the transceiver.
[ 16/9 ] Key
The [ 16/9 ] key on the microphone functions the same as the [ 16/9 ] key on
the front panel of the transceiver.
Immediately recalls channel 16 from any channel location. Holding down
this key recalls channel 9. Pressing the [ 16/9 ] key again reverts to the pre-
vious selected working channel.
[ H/L ] Key
Press this key to toggle the transmit output power between 25 W (High)
and 1 W (Low) power. When the [ H/L ] key is pressed while the transceiver
is on channel 13 or 67, the power will temporarily switch from LO to HI
power until the PTT is released.
The [ H/L ] key does not function on transmit inhibited and low power only
channels.
NOTE: 1W low power is indicated by LO on the display, when 25W high
power is selected the display do not show an indication.
GX1100E
Page 17