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TRC-70
CIRCUIT DESCRIPTION
Table 10 lists the high, medium, and low transmit-
Write data
ting output levels.
Operation
Key
User write
Dealer write
To adjust the medium transmitting output level, turn
mode
used
channel
channel!
VR17 of the TX-RX unit (X57-3470-21).
To adjust the
Dealer
ENT
Back up
Back up
low transmitting output level, turn VR18 of the TX-RX
mode
C/F
Cleared
Cleared
unit (X57-3470-21).
User
ENT
Back up
Back up
Factory settings are as follows:
mode
C/F
Cleared
Back up
wee } ; ON
Table 11 Reset
Switch 3 : ON
Switch 4 : ON
Memory
Switch No.
Function
Switch setting
+
Microprocessor memory backup
ON
OFF
An EEPROM is contained in the Radio telephone to
7
Operation mode
User
Dealer
retain memory. Turning off the POWER
switch, or a
2
Receiving frequency
Impossible
Possible
power failure will not erase the memory.
.
write in user mode
A lithium. battery is installed to back up the display
3
Power setting
ON
OFF
before turning off the POWER
switch.
The lithium
4
ON
OFF
ON
OFF
battery should last for approximately five years.
ai
| Mepium | Meplum | LOW
When the battery discharges, an initialized display
may appear in the display.
Transmitting output level
Wave type
HIGH
MEDIUM
LOW
*
Memory channel
J3E__|
Approx 150 pep_|
Approx 75W pep | Approx 35W pep
This set has 99 memory channels. The data items
CW
Approx 100W | __Apprax GOW
Approx 30W
that can be memorized in the memory channels are as
H3E
Approx 45W
Approx 25W
Approx 12W
follows:
Table 10 Transmitting output level setting
Receiving frequency
Transmitting frequency
Mode
Reset
¢
Before memory write
Reset the system
as follows
before writing the
memory:
1. Set the set in the dealer mode.
2. Set the POWER switch to ON while pressing the
«
How to reset
. Set the POWER switch to OFF.
2. Set the POWER
switch to ON while pressing the
=
keys listed in Table 11.
C key.
¢
Description of Table 11
*
Memory write
When the system is reset,
a memory 1 channel is
Write the memory as follows:
-C key, all memory channels are cleared.
The initial
mode is then entered.
When the system is reset in the dealer and user
"modes with the ENT key, the memory remains backed
up. The initial mode is then entered.
1. Press the ENT key to enter the memory
entry
mode. A vacant channel display is shown below.
25
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