Microphone - Standard Horizon Eclipse GX1400GPS Owner's Manual

7.2 MICROPHONE

PTT (Push-To-Talk) switch
When in radio mode and the PTT switch is pressed, the transmitter is
enabled for voice communications to another vessel.
▲ & ▼ key
These keys on the microphone are used to select channels and to choose
MENU items.
Microphone
The internal microphone transmits your voice reducing background noise
using Clear Voice Noise Reduction Technology.
When transmitting, position the microphone about 1/2 to 1 inch (1.2 ~ 2.5
cm) away from your mouth. Speak slowly and clearly into the microphone.
H/L key
Press this key to toggle between 25 W (High) and 1 W (Low) power. When
the TX output power is set to "Low" while the transceiver is on channel 13
or 67, the output power will temporarily switch from "Low" to "High" power
until the PTT switch of the microphone is released. This key is not available
on transmit inhibited and low power only channels.
16/S key
Pressing this key immediately selects channel 16 from any channel location.
Holding down this key selects the SUB channel (The default setting is
channel 9). Pressing this key again reverts to the previous selected working
channel.
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