EFJohnson 764X Speaker User Manual


 
INSTALLATION AND DISASSEMBLY
2-5
November 1998
Part No. 001-7600-001
2.7 2-TONE/5-TONE MODULE INSTALLATION
2.7.1 INSTALLATION PROCEDURE
1. Turn power off and disconnect the power cable.
2. Remove the bottom cover by removing the four
screws (A) shown in Figure 2-5.
3. Install the module as shown in Figure 2-7. The
included foam pad is not used with this transceiver.
Figure 2-7 2/5-Tone Module Installation
2.7.2 2-TONE PROGRAMMING
Program the transceiver for operation with a two-
tone decoder as described in Section 4. Screens that
need to be programmed with two-tone decoder infor-
mation are as follows. Refer to on-line help for more
information on parameters in these screens (press F1
with parameter selected).
Model Menu
- “LMR” must be selected (see
Section 4.4.6).
Screen Menu
- Select “2Tone Code CH” and
program the information in the screen (see
Table 4-6).
Screen Menu
- Select “Memory Channel” and pro-
gram the information under “2Tone Dec” for
each channel on which the decoder will be used
(see Table 4-1).
Screen Menu
- Select “Key & Display Assign” and
program an option key or the microphone hanger
for the monitor function so that the decoder can
be re-activated when the call is complete (see
Table 4-2).
2.7.3 5-TONE PROGRAMMING
Program the transceiver for operation with a five-
tone module as described in Section 4. Screens that
need to be programmed with five-tone decoder infor-
mation are as follows. Refer to on-line help for infor-
mation on parameters in these screens (press F1 with
parameter selected).
Model Menu
- “PMR” must be selected (see
Section 4.4.6).
Select the following in the Screen Menu:
“Rx Code CH” and program the information in
the screen (see Section 4.5.2).
“Tx Code CH” and program the information in
the screen (see Section 4.5.2).
“User Tone” and program the information in the
screen (see Section 4.5.2).
“Memory CH” and program the parameters in
this screen that are related to 5-tone operation on
the channel (see Figure 4-2).
NOTE: If performing the deviation adjustment in
the next section, the long tone must be turned on in
RPT/STN/ID on the Memory Channel screen.
“Key & Display Assign” and program Tx Code
and Call switches for use in transmitting 5-tone
codes.
Setting 5-Tone Deviation
The only adjustment on the 2/5-tone module is a
potentiometer for setting the transmit tone deviation
for 5-tone operation. This control is factory preset and
should not require readjustment in the field. However,
if adjustment is required, proceed as follows: