Standard Horizon HX890 Owner's Manual page 22


SQL switch (Left side)
Press this key to activate the squelch adjusting mode. Press the CH▲ or
CH▼ key to adjust the squelch threshold level.
Press and hold the squelch key for 3 seconds to open the squelch, allow-
ing you to monitor the operating channel. Press this key to resume normal
(quiet) monitoring.

MIC aperture
The internal microphone is located here.
When transmitting, position your mouth about 1/2 to 1 inch (1.2 ~
2.5 cm) away from the small microphone opening. Speak slowly
and clearly into the microphone.

Keypad
MENU/SET key
Press to access MENU.
Press and hold to access SETUP.
CH▲ key
This key is used to change the operating channel or the squelch
threshold level.
Press the key momentarily, the channel (or squelch level) increases one
step. When the key is held, the channel (or squelch level) increases
continuously.
CH▼ key
This key is used to change the operating channel or the squelch
threshold level.
Press the key momentarily, the channel (or squelch level) decreases one
step. When the key is held, the channel (or squelch level) decreases
continuously.
key
Hold this key down to lock the keypad so that operations are not acci-
dentally changed. "LOCK" will appear on the entire screen, to indicate
that the functions are locked. To unlock the keypad, hold the key down
until "UNLOCK" appears.
◄ and ► key
Press to toggle the on-screen menus to right/left.
20
NOTE