NIICD Modified 7/30/2021

TDFM-136B 

Quick Reference Guide 

For Radio Firmware: 1.x.x 

2

1. LED channel squelch indicators – Illuminates when signal received (Top: Main/Bottom: Guard).

2. Channel parameter display – (2 line by 24 character LED display) (Top: Main/Bottom: Guard).

3. MAIN Multi-function rotary encoder (default: Main volume, press for ON, press & hold for OFF).

4. GUARD Multi-function rotary encoder (default: Guard volume, press for Squelch defeat).

5. Data port – for use with KVL 3000+ keyloader (for encryption) or TDP-136 Programming software. You

 need the TiL USB driver pre-loaded on your computer before using the data port.

6. MN/GD (Toggle Switch) – Selects active channel (main or guard) for transmit and memory edit.

7. G1/G2 (Toggle Switch) – Selects guard memory (GD1 or GD2) for transmit, receive and edit.

8. HI/LO (Toggle Switch) – Selects transmit power high (10W) or low (1W).

9. KEYPAD (12 Keys) – Controls radio functions. Three command levels as shown below.

Command Level 1: press the desired "Cmnd'"key 

Cmnd Function Edit Keys OK Exit 

SELECT CHANNEL MEMORY TO ENTER THREE DIGIT CHANNEL NUMBER INTO MEMORY (001 to 230) 

DISPLAY BRIGHTER 

EDIT OPERATING MODE STEP UP/DOWN THROUGH OPERATING MODES 

SCROLL CHANNEL DOWN SCROLL DOWN THROUGH PROGRAMMED/ACTIVE MEMORY CHANNELS 

SCAN ON/OFF OR STOP SCAN 

SCROLL CHANNEL UP SCROLL UP THROUGH PROGRAMMED/ACTIVE MEMORY CHANNELS 

EDIT FREQUENCY TO SELECT Rx FREQUENCY THEN REPEAT FOR Tx FREQUENCY 

DISPLAY DIMMER 

EDIT TONE or CODE STEP UP/DOWN THROUGH SQUELCH MODES. Tx FOLLOWS Rx. 

Tone:

x - Off 

t - On 

c - Code 

STEP UP/ DOWN THROUGH: TONES, CODES, TGID & NAC

TO DECIMAL EDIT FOR NOISE SQL VALUE (00 TO 10) 

GO TO NEXT LEVEL GO TO THE NEXT HIGHER COMMAND LEVEL 

TOGGLE HOME/CURRENT TOGGLE BETWEEN 'HOME' CHANNEL AND CURRENTLY DISPLAYED CHANNEL. 

TOGGLE TALK AROUND FOR DUPLEX CHANNELS: RADIO USES Rx INFORMATION FOR Tx. "UP" ARROW. 

TiL 08RE394 - NIICD 

Basic radio functions on L1 

P25 Code: 

m - Monitor (i.e. x) 

n - NAC only 

g - TGID + NAC 

("n" or "D") 

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EXAMPLE: Rt 110.9 Rg $37A1 $F56 ($=HEX) or 754 (decimal)
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Press to get to Command Level 2, then press the "Cmnd" key 

Function Edit Keys OK Exit 

CREATE or

EDIT CHANNEL 

TO SELECT CHANNEL MEMORY TO EDIT 

THEN EDIT: SCAN LIST (L2-5), TEXT DESCRIPTION (L2-6) 

OPERATING MODE (L1-3), FREQUENCY (L1-7), & SQUELCH (L1-9) 

COPY GUARD TO MAIN 

LOCK KEYPAD 

EDIT SCAN LISTS 

EDIT CHANNEL 

TEXT 

STEP THROUGH THE FOUR CHARACTER GROUPS (AZ, az, 09, "BLANK"/) 

SCROLL UP & DOWN THROUGH CHARACTERS IN SELECTED GROUP 

MOVE CURSOR LEFT & RIGHT 

CREATE SHADOW TO SELECT CHANNEL MEMORY TO EDIT 

THEN EDIT: TEXT (L2-6), MODE (L1-4), SQUELCH (L1-9) 

COPY MAIN TO GUARD 

TOGGLE ENCRYPTION 

GO TO NEXT LEVEL 

SET HOME CHANNEL 

Cmnd 

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COPY CHANNEL INFORMATION FROM GUARD TO MAIN (default disabled) 

PRESS & HOLD TO UNLOCK KEYPAD 

STEP UP/DOWN THROUGH AVAILABLE SCAN LISTS 

TOGGLE ENABLE/DISABLE FOR SCAN (BAR OVER DIGIT = DISABLED) 

n/u 

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COPY CHANNEL INFORMATION FROM MAIN TO GUARD (default disabled) 

TOGGLE ENCRYPTION ON/OFF (ONLY FOR MEMORIES WITH KEY ASSIGNED) 

GO TO THE NEXT HIGHER COMMAND LEVEL 

SET THE "HOME" CHANNEL INTO MEMORY (FOR MAIN RADIO ONLY) 

GO TO PREVIOUS LEVEL GO TO THE PREVIOUS COMMAND LEVEL 

Press + to get to Command Level 3, then the desired "Cmnd" key 

Cmnd Function Edit Keys OK Exit 

SET BOOT CHANNEL STEP UP/DOWN THROUGH BOOT MEMORY OPTIONS 

ASSIGN KEY BY KEYTAG PICK MEMORY, PICK KEY, PICK DECRYPT OPTION 

SET P25 MODE TOGGLE P25 HEX/DECIMAL EDIT MODE (For TGID & NAC CODES) 

DISPLAY FIRMWARE REV. STEP THROUGH RADIO MAIN & BOOT FIRMWARE VERSIONS 

SET SCAN PARAMETERS 

SELECT REVERT MODE 

THEN 

TO SET TIMERS (REPLY, MONITOR, DELAY) 

SET PTT TIMER STEP UP/DOWN THROUGH TIMER VALUES (30, 60, 90 SEC) 

SET SIDETONE AUDIO TO SET SIDETONE LEVEL (00 TO 80) (TDFM-136B = 44) 

PC COMMUNICATION MUST BE CONNECTED TO A PC OPERATING TDP-136 SOFTWARE 

SHOW TONES/CODES TOGGLE Rx/Tx SQUELCH PARAMETER DISPLAY (Check Tones) 

GO TO NEXT LEVEL GO TO THE NEXT HIGHER COMMAND LEVEL (L4 PASSWORD PROTECTED) 

n/u 

GO TO PREVIOUS LEVEL GO TO THE PREVIOUS COMMAND LEVEL 

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NOTES: 

• The channel being edited is determined by the position of the front panel switches MN/GD and G1/G2.

• Current command level is shown at 4 character on bottom row (between GD2 and text).

Levels 2 & 3 time out. The radio will return to Level 1 if a "Cmnd" key is not entered within 5 seconds of entering 

that level. 

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• Download this Quick Reference Guide at www.nifc.gov/resources/NIICD/niicd-documents

TiL 08RE394 - NIICD
	

($F56/3926)