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Operation with Full Function Handset
FUNC key
Initiates the Function mode and activates the FUNC indicator in the
LCD display. The next key pressed determines the function selected.
(See above key descriptions.) Pressing this key twice starts Dimmer
mode, which reduces the brightness of LCD’s backlight.
Channel UP/ DOWN key
Pressing the CH UP (
∧∧
∧∧
∧
) key during normal operation increases the
channel number. Pressing the CH DOWN (
∨∨
∨∨
∨
) key decreases the
channel number.
!
PTT (Press-to-Talk) key
Pressing this key during normal operation places the radio in Transmit
mode and displays the TX indicator in the LCD. When the key is
pressed in various function modes, the assigned operation is initiated.
Note: After 5 minutes of continuously holding the PTT key, the radio
will automatically stop transmitting. To begin transmitting again,
release the PTT and depress again.
"
DISTRESS key
This key is located under the small door labeled DISTRESS on the
back of the handset. Pressing and holding this key for 5 seconds
selects Distress Signal Call mode. Subsequent operations are
described in Section 4.6.18.8.
4.4.2 LCD Display
The following describes the functional characters on the RAY215E
Handset’s LCD.
Figure 4-3 LCD Display Layout