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TK-5400
Straightening the Coaxial Cable
1. When you connect the coaxial connector to the PCB, the
coaxial cable may be slightly curved toward the chassis
(Fig. 1).
2. In this case, place a regular screw driver between the
chassis and the coaxial cable, then push and straighten
the coaxial cable so that it passes through directly above
the screw head (
1
1
1
28
ADJUSTMENT
) (Fig. 2).
Coaxial Cable
TX-RX unit
Fig. 1
Regular
Screwdriver
Connector
Fig. 2
Panel Test Mode
1. This mode is used for making transceiver connection
tests and clearing the memory.
2. To set panel test mode , turn on the power switch with
[Side 2] key and [PTT] key are still held down and then
first release [PTT] key.
3. This mode cannot be set when disabled with the FPU .
1. Panel Test
Initial state in test mode
Filter mode
Test signalling number
Test channel number
Illuminates in
Talk Around mode
Illuminates when
monitoring is on
Illuminates when RF
power output is low
1. When the panel test mode is activated, the channel se-
lected with the [Selector] key and the last used signaling
number are displayed. When it is activated for the first
time, the signaling number is 1.
2. If test signaling 15 (Tone Test Pattern) is selected, the
result of Bit Error Rate (BER) calculation is shown on the
transceiver LCD. The BER value is also output from the
serial port.
3. While in Panel Test mode, press [Orange] key and [PTT]
key at the same time to erase all the programmed data.
However, the radio hardware adjustment parameters are
not erased.
Since the Model Type data is also erased, you will not be
able to read the programmed transceiver data after eras-
ing.
But you can write the programming data to the trans-
ceiver.
4. When the [Orange] key is held down and the [PTT] key is
pressed in panel test mode, the clear function is acti-
vated to clear all setting data. However, the model type
and adjustment values are not cleared.
5. The APCO and analog modes are switched automatically
by selecting test signaling. When APCO mode is effec-
tive, "A" is displayed on the 7-segment display.
Illuminates when
VOX is on
Illuminates when
the compander is on
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