Standard Horizon Eclipse DSC+ GX1100S Owner's Manual page 19

Install only the supplied screw or similar size ( M3x6, Stainless Steel )
screw.
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.
Be sure your mouth is about 1/2 inch (1.3 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.
1W low power is indicated by LO on the display, when 25W high
power is selected the display do not show an indication.
GX1100S
NOTE
NOTE
Page 19