Microphone Jack - Standard Communications Horizon GX2335S NOVA+ Owner's Manual

LAMP Key
Pressing this key, changes the brightness (3 levels) of the back light for LCD
and keypad.
Secondary use
During voice scrambler setup (If the optional CVS240 Voice Scrambler
module installed), the LAMP key is used to deselect a channel that had
been selected for voice scrambler use.
MEM Key
Memorizes the selected channel into the transceiver's scan memory for
scanning. When pressed again, DELETES the channel from the scan
memory.
Secondary use
1. Assigns the priority channel. While holding down the 16/9 key, each
press of the MEM key will cause the display to toggle through the 4
channels that can be selected as a priority channel: A, B, 16, and 9.
When the 16/9 key is released, the channel currently displayed will
be the priority channel.
2. The MEM key is also used to read Voice Scramble (VS) codes into
memory, or delete Voice Scramble (VS) codes from memory (only if
the CVS240 scrambler is installed.)
H/L Key
Toggles between high and low power. Does not operate on "low power
only" and transmission-inhibit channels. When pressed and held while
the transceiver is on channel 13 or 67, the power will temporarily go high.
This key has the same function as the PWR UP key on the microphone.
t MICROPHONE JACK
Connects a microphone to the transceiver.
y ANTENNA JACK
Connects an antenna to the transceiver. Use a marine VHF antenna
with an impedance of 50 ohms.
u EXTERNAL SPEAKER JACK
Connects an external speaker to the transceiver. Use a speaker with an
impedance of 4 or 8 ohms, with an RCA phono plug.
GX2335S Owner's Manual page 11