CRT SS 6900, User Manual

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7
(2)
FUNC+SCAN
SC.LIST (Scan ADD or Delete). Press FUNC+SCAN to delete current
channel from scan list. The first digit on LCD would display. When
Scan function is enabled, the radio would skip the deleted channel.
Repeat this operation to Add or Delete channels from scan list.
211
+10KHZ or HI-CUT
(1)
+10KHZ Press this key to shift frequency up by 10khz.
When pressing this key, 10KHZ would appear on LCD and frequency
of channels is shifted up by 10 KHZ. Repeat this operation to switch
ON/OFF this function.
(2)
FUNC+ +10KHZ
Press FUNC+10KHZ to realize HI-CUT function. Once this function is
enabled, the radio would cut out high frequency interference. Its use
depends on reception conditions.
When this function is enabled, "HI-CUT" would appear on LCD. Repeat
this operation to switch ON/OFF the function
SWR OR TOT
211
(1)
SWR
When pressing this key, “SWR” icon would appear on the LCD. When
transmitting, SRF bars indicate SWR value other than PA or PWR
value. One bar displaying on the LCD indicates that SWR value is
1.0. Each additional bar indicates every 0.1 added value. Repeat this
operation to switch ON/OFF the function.
(2)
FUNC+ SWR
When pressing this key, TOT ON or TOT OFF would display on the
LCD for 2 seconds. Repeat this operation to switch ON/OFF the
function. When ON appears on the LCD, users can press PTT to
transmit. Then, the radio would time the transmitting duration. Once
the duration is beyond the set TOT time (programmable), the radio
would emit voice prompt and stop transmitting and back to receiving
state automatically. This function aims to protect the radio against
power tube damage from superheating caused by long transmission.
<Rear Panel>
Accept13.8V DC power cable with built-in fuse (10 Amp) to be
connected.
POWER
231
EMG OR S/RF
221
(1)
EMG realizes Emergency Channel Call. When emergent situation
happens, the radio would switch to the channel set in advance to
communicate immediately. Then the "EMG" icon would display on the
LCD . Press EMG key again to return to previous channel.
(2)
FUNC + S/RF
S/RF is the switch of TX's or RX's S/RS indicating bar. When this
function is enabled, "SRF"icon would display on the LCD. Repeat the
this operation to switch ON/OFF the function.
channel. You can receive the calling, and also, can transmit on this
channel by pressing PTT key. If there is no transmission or detected
signal on that channel within 5 seconds(time to resume scanning can
be programmed by PC software), radio will start scanning again. To
exit the SCAN function, press the SCAN key or the PTT key.
The Scan Type above is the SQ mode under SCA Selection in
Function Menu. If TI mode is selected and valid signal is detected, the
radio would still start scanning when it is time to resume scanning,
whether there is signal or not in current channel.
8
EXT SP or PA SP
241
EXT SP
Accept 4 to 8 ohm, 4 watt external speaker to be connected. When
external speaker is connected to this jack, the built-in speaker is
automatically disconnected.
PA SP
It is used to connect a PA speaker. Before operating PA, you must
firstly connect a PA speaker to this jack.
ATTENNA
251
Accept 50 ohm coaxial cable with a type PL-259 plug to be connected.
CW KEY
261
<PRESS—TO—TALK—MICROPHONE>
The receiver and transmitter are controlled by the Press-To-Talk
switch on the microphone.
Press the switch to transmit and then release it to receive. When
transmitting, hold the microphone two inches from the mouth and
speak clearly in a normal “voice”. The radios come complete with low-
impedance (150 ohm) dynamic microphone.
PTT
11
Transmitting key, Press to speak and release to receive a message.
UP/DN
21
These key allow increasing or decreasing a channel number.
AQ
31
(1)
When the radio is receiving a call, press this key to enable ASQ
(Automatic Squelch Control) function. Then, "AQ" would appear on the
LCD. Press this key repeatedly to switch on/off the function.
(2)
When the radio is receiving a call, press and hold this key for
over 2 seconds to enable signal monitoring function. At the moment,
whether the radio receive signal or not, the radio would detect current
channel to check whether current channel has weak signal.Release
AQ key to exit this function.
(3)
Pressing PTT and AQ key at the same time, the radio would
emit a single-tone. This tone is to help and remind two sides of
communication to adjust frequency. The frequency of this tone is
adjustable.
(4)
ASQ (Automatic Squelch Control)
ASQ control setting.It has same function with AQ button on the
microphone.
This jack is for Morse code operation; To operate, connect a CW
key to this jack and place the MODE switch in the CW position (LCD
display icon "CW")
MICROPHONE
41
The radios come complete with low-impedance (150 ohm) dynamic
microphone.
FUNCTION MENU SETUP
The initial functions and parameter can be changed via the following
settings and operations. Please read the following instruction before
making any desired amendments.
To enter Function Menu: under ON state, press and hold FUNC key for
more than 2seconds, and then release the FUNC key to enter into the
Function Menu Setup. Under this condition, press FUNC key to select
different functions menu, CHANNEL SELECTOR Switches to change
the data of Function Menu.