Raymarine Ray215 - Manual (Page 61)

4-10 Operation with a Full Function Handset
11. Intercom Function between Handsets
Intercom mode enables conversation between a fist microphone
connected to the front of the base station and a Second Station Full
Function Handset connected to the to the rear of the base station.
12. Reduced Receiving Sensitivity (Local Mode)
This function decreases receiver sensitivity in high traffic areas to
decrease unwanted reception.
4.4 Operating Procedures
With the Full Function Handset, all operations can be made on the Handset
except turning ON/OFF the base station and adjusting the sound volume
of the External Speaker.
4.4.1 Setting the Volume
The sound volume adjustment for the handset has 11 settings. Pressing
and releasing the VOL UP
∧ ∧ ∧ ∧ ∧
key increases the volume by one level; pressing
and releasing the VOL DOWN
∨ ∨ ∨ ∨ ∨
key reduces the volume by one level.
The number of segments in the VOL bar graph on the LCD display will
increase or decrease accordingly. If the VOL UP/DOWN keys are pressed
and held, the volume levels will automatically change every half-second.
Setting the Volume on the External Speaker
The volume knob on the External Speaker controls its sound volume.
Turning the knob clockwise increases the volume; turning it
counterclockwise reduces the volume. Turning the knob fully
counterclockwise until you hear a “click” switches off the speaker
completely.
When a DSC Distress Call is sent or received, an alarm is sounded on the
external speaker at maximum volume regardless of the volume set with the
knob, even if the knob has been rotated all the way OFF.
4.4.2 Setting the Squelch
The squelch adjustment enables you to “quiet” the receiver when no
signal is being received. The squelch adjustment for the handset has 11
settings. Pressing and releasing the SQ UP
∧ ∧ ∧ ∧ ∧
key increases the squelch
by one level; pressing and releasing the SQ DOWN
∨ ∨ ∨ ∨ ∨
key decreases it by
one level. The number of segments in the SQ bar graph on the LCD display
will increase or decrease accordingly. If the SQ UP/DOWN keys are pressed
and held, the squelch levels will automatically change every half-second.