Alnico DJS-41 User manual
ALNICO ELECTRONICS INC.
UHF FM MINI POWER TRANSCEIVER
DJS—41
2SPECIFICATIONS:
«General»
•Frequency range/ DJ-S41T 425.000 ~ 499.995
• Modulation/F3E
• DC power source/3.5~4.5V(internal batter), 5.5V (eternal regulated source)
• Current TX/approx. @4.5VDC 260mA, RX/approx. 33mA (squelched)
• Dimensions/55(W) x 100(M) x 28(D)mm without probations
• Weight/approx. 185g (with three AA drycells)
«Transmitter»
•Output Power/approx. @4.5VDC 340mW
• Modulator/Variable reactance
• Max. deviation/± 5kMz
«Receiver»
Configuration/Double conversion superheterodyne
• I.F./ 1st: 23.05mHz / 2nd: 450kHz
• Sensitivity/better than - 15dB
)
(12dB SINAD)
• AF output/not less than 100mW (10% distort. @8
6
)
2OPTIONS
• BatteryCharger ....................................MW818 (220VAC input)
• Headset with VOX .................................. EME-12
(Ear pad type)
EME-13 (Ear phone type)
• Tie-pin mic. And earphone with VOX ............................... EME-15
• Speaker Microphone ............................................. EME-9
• Earphone Mic. .................................................. EME-4
• SoftCase ..................................................... ESC-27
• Car lighter DC cable with voltage conversion to 5.5VDC ............... EDH-18
• Mobile bracket .................................................. EBC-6
SETTINGS
ANTENNA 21
Rotate and let the antenna stand up
when operating.
EXTERNAL POWER TERMINAL 22
Connect the optional EDH-18 or an
external regulated 5.5 VDC source
(negative ground).
EXTERNAL MICROPHONE JACK 23
Connect to this jack when using an
optional microphone.
EXTERNAL SPEAKER JACK 24
Connect to this jack when using an
optional speaker.
PTT 25
Press-to-talk switch.
MONITOR 26
Press this switch to unmute the preset
squelch and monitor weak signals.
Press and hold the F-key and press this
key to lock/unlock the keys to avoid
unintended key entries. ("L" is dis-
played during the keylock.)
FUNCTION (F)27
Press and hold this key and press an-
other key to activate this secondary
function. Press and release this key
quickly to change the blinking fre-
quency digit: the blinking digit can be
changed with the UP/DOWN key.
1
2
3
4
5
6
7
8
9
10
11
12
17
16
15
14
13
A) "M" is displayed continuously on a programmed
memorychannel.The"M"flashesonamemorychannel
not yet programed. B)Memorychannelnumber.
C)Frequency(andother
parameterswhenprogram-
ming functions.)
D)"BUSY"whenuponre-
ceiving a signal.
E)S-meter/RFoutputpower
meter.
F)Auto Power Off enabled.
G) Low Battery
Indication.(Flasheswhen
needs replacement or change,)
H) Low Power Output mode indicator.
I} Alarm function ON.
J) Other shift direction.
K) CTCSS tone encoder ON.
82V/M/MW
Changes between VFO and memory
channel.Toprograma memory chan-
nel,
1. In the VFO mode, press and
hold this key,
2. UsetheUP/DOWN keyto select
a memory channel number,
3. Pressthiskeyagaintomemorize
thedisplayed frequency(includ-
ing the offset and tone encoder)
to that channel.
Memory channels are: c, 0~19.
92DOWN/TONE
Press this key to change frequency/
channel downward. Press this key
while pressing the F-key to entire
programming node for the CTCSS
encoder. Then press this key to chan-
getheencodingtonefrequency.Press
the F-key with this key again to dis-
play/erase the Tin the LCD that tuns
in/off the encoder. Press PTT to exit.
102UP/STEP
Press this key to change frequence/
channelupwards.Pressthiskeywhite
pressing the F-key to entre program-
mingmodeforthechannelstep.Press
this key to change the channel step.
Press PTT to exit.
112MICROPHONE
122SPEAKER
132LAMP/APO
Press this key to illuminate the LCD
for 5 seconds. Press and hold the F-
key and press this key to toggle the
APO (auto-power-off): Use the UP/
DOWN keys to change the automatic
power off timer from OFF to 120
min. in 30 min. step. Press and hold
this key and turn, the power on, then
the 5 second illumination timer is
disabled: the lamp is toggled on/off
with the key regardless of the time
passed.
142LCD
152SCAN/SHIFT
Press this key to scan. Press and hold
the F-key andpress this key to set the
semi-duplex offset frequency. Each
press of the key in the offset setting
mode changes the shift direction +
or -. Press PTT to exit.
162CALL/BELL
Pressing this key changes your oper-
ating frequency to memory ch "C".
Pressing again resumes the original
frequency. Press and hold the F-key
and press this key to turn on/off the
alarm function: the function alarms
you with an electronic sound when a
signal is received.
172POWER SWITCH AND POWER
2SPECIFICATIONS:
Condition
Key Pressed alone Pressed while
F is pressed Press and hold and
turn the power on
F (DJ-S41T: If released quickly,
freq. Change by digits) reset
MONI unmutes squelch keylock/unlock beep on/off
PTT transmits
V/M VFO
Memory Memory Write Channel Indication
Mode
UP freq./mem up (scans if pressed
a while) (If pressed with PTT,
emits alert tone.) channel step stand-by beep ON
DOWN freq./mem down (scans if
pressed awhile) (If pressed
with PTT, emits alert tone. tone freq. change stand-by beep OFF
CALL call channel alarm on/off alert/1750Hz
SCAN scan start offset programming
LAMP lamp on/off Auto Power Off change lamp mode
2OTHER FUNCTIONS
Stand-By Beep: A short beep is emitted on you transmitting signal upon each release of the PTT
key, to let the other party "go ahead" and talk, To toggleon this function, press and hold the UP key
and turn on the power. To toggle off, do the same with the DOWN key.
Reverse: To monitor the uplink frequency of the repeater (then an offset has been programmed),
press RPT, than F + SHIFT, then press and hold the MONITOR key. Releasing the MONITOR key
will cancel the reverse reception and pressing PTT will bring bact to the original state.
Key Stroke Beep Sound: The beep heard with each stroke of keys can be toggled on/off, by
pressing and holding the MONITOR key and turning the power on.
Channel Display Mode: Only the memory channel number (and not the frequency) is displayed.
Ifyouroperationsislimitedonyour"usual"channelsonly,thissettingmaybeuseful.Thismodecan
be entered/exited by press/holding the V/M key and turning the power on.
R
ESETTING
:
PRESS AND HOLD THE
F-
KEY AND TURN ON THE POWER
.
