Digitalk SP808 Посібник користувача - Сторінка 3
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Друкувати сторінкуCOMMUNICATOR MODEL SP808
Troubleshooting
SYMPTOM
SOLUTION
No power.
= Check batteries. Ensure that the batteries are
installed properly.
= The batteries may be weak.
= Replace old batteries with three (3) new "AAA"
alkaline batteries or 3.6V "AAA" Ni-MH rechargeable
battery pack .
Reception is
= Press the Up
weak.
= The receiving signal may be weak and/or out of
range.
= If this happens, press the MONITOR M button.
Cannot
= To change channels, press the MENU
change
until the channel number flashes on the LCD Screen.
= Press the Up
channels.
channels.
= Batteries may be weak.
= BUTTON LOCK
= BATTERIES may be weak.
Range is
= Replace with new batteries if the BATTERY LEVEL
limited.
indicator is low.
= The maximum range will vary depending on terrain
and environment.
= Open fields provide the maximum range, while
steel/concrete structures, heavy foliage and use
in buildings and in vehicles may limit the range
significantly.
= Wearing the radio close to the body, such as in a
pocket or on a belt, will decrease range; change
the location of the radio.
= If you are transmitting, speak in a normal tone of
Sound
voice, 2 to 3 inches away from the MICROPHONE.
distortion
= If you are receiving, lower the volume to a
problems.
comfortable level.
= Radios too close. Radios must be at least 5 feet
apart; increase your distance.
= Radios too far apart. Obstacles interfere with
transmission. Talk range is up to 5 Km in clear
unobstructed conditions.
WARNING: Using batteries
1. The units operate with 3 x 1.5V AAA/LR03 regular Alkaline
or Ni-MH (nickel metal hydride) batteries.
2. Batteries and rechargeable battery packs should not be
thrown with domestic rubbish. You may hand them in at
your nearest collection point.
3. Do not leave batteries installed over a long period of time
as leakage may occur and this can destroy the radio.
button to increase VOLUME.
button
or Down
buttons to change
must be deactivated.
Specifications:
Channels Available
CTCSS Sub-channel
Output Power (TX)
Battery Life
Range
CHANNEL TABLE
CHANNEL NUMBER
FREQUENCY (MHz)
* 1
476.425
* 2
476.450
* 3
476.475
* 4
476.500
# 476.525
* 5
* 6
476.550
* 7
476.575
* 8
476.600
9
476.625
10
476.650
11
476.675
12
476.700
13
476.725
14
476.750
15
476.775
16
476.800
17
476.825
18
476.850
19
476.875
20
476.900
# Emergency calling for both simplex and duplex operation. Please do
not use this channel in non-emergency cases.
* These channels may also be used as repeater channels using 750kHz
offset. Channels 1 to 8 inclusive are used for mobile reception and
channels 31 to 38 for mobile transmission.
NOTE: The maximum transmission range will vary depending on terrain
and environment.
CTCSS ( Continuous Tone Coded Squelch System) Frequency Table.
NOTE: The maximum transmission range will vary depending on terrain
and environment.
40 Channels
38 for each Channel
0.5W
30 Hours (typical)
About 5 Km
CHANNEL TABLE
CHANNEL NUMBER
FREQUENCY (MHz)
21
476.925
22
476.950
23
476.975
24
477.000
25
477.025
26
477.050
27
477.075
28
477.100
29
477.125
30
477.150
31
477.175
32
477.200
33
477.225
34
477.250
35
477.275
36
477.300
37
477.325
38
477.350
39
477.375
40
477.400