Instruction Manual

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and holding – the SQUELCH button. Upon release, the saved squelch parameters will be restored to the respective
channels.
2.5 OPERATOR COMMANDS - OVERVIEW
The operator may affect the operation of the radio parameters by pressing the associated key on the keypad. The
parameters that may be affected in this manner are shown in the table below.
Table 2-1 TDFM-136 Command Matrix
Key operator direct – L1 operator programming– L2 maintenance – L3
1 select CHANNEL program CHANNEL select boot CHANNEL
2 display – brighter edit chan DESCRIPTION PC upload
3 edit chan MODE LOCK keypad RF Alignment
4 chan scroll down fast GD prog fast GD prog E/D
5 edit chan SCAN scan ON/OFF scan E/D
6 chan scroll up PTT timer E/D PTT timer set
7 edit chan FREQUENCY FREQUENCY scroll reserved
8 display – dimmer FREQ split/Rx simplex PC download
9 edit chan SQUELCH reserved terminal mode
0 go to level L2 go to level L3 reserved
ENTER save channel reserved reserved
ESC go to security - m go to previous level go to previous level
The commands are divided into levels: level one is a direct entry level, commands in this level are selected
directly by pressing a key. Level 2 commands are accessed by first pressing the ‘PROG’ (0) key. Level 3
commands allow personnel to maintain and configure the radio. To avoid accidental activation, these
commands are accessed by pressing the ‘ESC’ key followed by: ‘0’, ‘0’, ‘0’, ‘ENTER’.
2.6 USING OPERATOR DIRECT COMMANDS (Level 1)
1 (CHAN) - Select the Operating Channel
This command allows the user to select the MAIN channel that the radio is operating on. Upon selecting this
command the cursor will appear at the first digit in the channel number, select a number from 001 to 250.
‘ENTER’ – accepts this entry if valid (programmed) and will return standby condition. If the
cursor remains then this channel number is not valid or there is no information
programmed for the channel.
‘ESC’ - abandons the command and returns to the standby condition.
2 (UP ARROW) - Increased Display Brightness
Press and hold the up arrow (2) key to increase the brightness of the LED display, it stops at maximum.
3 (MODE) - Edit Channel Operating Mode
This command will edit the Operating MODE of the selected channel; both MAIN and GUARD channels may
be edited and the channel to be edited is determined by the position of the MN/GD switch and the G1/G2
switch.