User's Manual Part 2

45
Special Functions
3. Set SCR-ON in the setting mode. The [
*
] icon
will appear on the display.
4. Turn OFF the unit.
Alarm function is activated, the display will turn
off and TX display lamp will start illuminat-
ing.
5. To deactivate, turn ON the unit and set SCR-
OFF in the setting mode.
IMPORTANT: • To activate the function, be sure to switch OFF the power after having con-
nected the cable for alarm. (Connecting it after the power is off may activate
the alarm)
• The alarm will not be active unless the PWR switch is turned off.
• The alarm function will not operate if the power is OFF in the ACC power sup-
ply control function.
• The alarm cable A/B provided with DR-135/435 are not compatible with this
unit.
TX display lamp
BAND CALL MHz
VV/UU
V/M
MAIN
VOL
MW
MAIN
TX/RX
RX BAND SHIFT LOCK PACKET DIGITAL
TS/DCS H/L SQL FU
N
SE
T
VHF/UHF TWIN BAND FM TRANSCEVER
VHF/UHF TWIN BAND FM TRANSCEVER
DR-620
How the alarm operates
When the alarm cable is removed from the port or cut without using the proper sequence, the alarm
sounds for 10 minutes. During the alarm, the unit goes to receive on memory channel 99, accord-
ing to its pre-programmed setting (TSQ/DCS accepted).
To cancel alarm setting while the alarm is in work
1. When a signal is received on ch.99 the alarm stops. If ch.99 is empty the unit stays
monitoring the Main-VFO frequency. Turning on the unit with SQL key pressed
also cancels the alarm.
2. When the power is OFF again, the alarm setting will resume.
NOTE: The alarm feature on DR-620TA version functions in a slightly different manner.
1. When the alarm starts, the unit alternates between transmit and receive on ch.99 every 5
seconds for 5 minutes.
2. Setting and operation of the function are the same as other versions.
This feature allows you to monitor and to control the alarm from a remote place by using
ch.99 on memory mode.