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1-1
1. OPERATIONAL OVERVIEW
1.1 Controls
Description of controls
Control Function
VOLUME/PWR knob • Turns the power on or off.
• Adjusts the volume.
ENTER knob Rotate to select menu items or change the page in multi-page screens (e.g.,
log data); push to confirm a selection.
RF GAIN/
PUSH TO ATT knob
Rotate to adjust the gain; push to turn the attenuator on or off.
DISTRESS key Press and hold down the key four seconds to transmit the distress alert.
MENU key Opens/closes the menu.
CANCEL key • Cancels the creation of the DSC message currently being created.
• Silences the audio alarm.
• Erases error message or pop-up message.
• Returns one layer in multi-layer menu.
• Erases character input.
TAB key • Switches control to the tab area.
• Switches the session.
key
Turns the main speaker on or off.
BRILL key Adjusts the brilliance.
OTHER DSC MSG
key
Composes DSC TX message except DISTRESS ALERT and DROBOSE
(Distress Relay On Behalf Of Someone Else).
DISTRESS MSG key Composes DSC TX message for DISTRESS ALERT.
DROBOSE MSG key Composes DSC TX message for DROBOSE (Distress Relay On Behalf Of
Someone Else). Press the DISTRESS MSG key and the OTHER DSC
MSG key simultaneously.
SCAN key • Opens the scan screen.
• Stops/starts the scanning of DSC routine frequencies, on the scan
screen.
2182 key Switches to the RT (radiotelephone) screen and sets freq. to 2182.0 kHz.
RT/CH key • Switches to the RT (radiotelephone) screen.
• Opens the CH setting window on the RT screen.
0 to 9 keys Enter alphabet, numeric or symbol.
1, 4 and 7 keys Execute the operation assigned to the function key in the RT mode.
SCAN 2182
RT/CH
1
2
NB
3
SQ
46
97
5
NR
8
NF
0
TUNE
COMPOSE
DROBOSE MSG
PUSH TO ENTER
DISTRESS
MSG
OTHER
DSC MSG
BRILL
TAB
MENU
CANCEL
HANDSET
VOLUME
PWR OFF
RF GAIN
PUSH TO ATT
OVEN
ALARM
DISTRESS
Keep pressed for 4 sec in case
of DISTRESS. The alert is
transmitted with steady lighting.