NIICD Modified 7/30/2021

TDFM-136/136A

Quick Reference Guide 

For Radio Firmware: 3.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 (Rotary+Switch) – Power ON/OFF and Main channel volume control.

4. GUARD (Rotary) – Guard channel volume control.

5. Squelch Defeat (Push button) – Press to open squelch (in analog modes of operation)

6. Keyloader/Data Port – Not on some models. Use with KVL 3000+ keyloader for encryption 

 option. Able to program channel data for some TDFM-136A's (SN FDA1200 & up).

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

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

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

10. KEYPAD (12 Keys) – Controls radio functions. Three command levels as follows:

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 ("n" or "D")

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. 

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

TO DECIMAL EDIT FOR NOISE SQL VALUE (00 TO 15) 

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 3342E - NIICD 

Tone:

x - Off 

t - On 

c - Code 

P25 Code: 

m - Monitor (i.e. x) 

n - NAC only 

g - TGID + NAC 

Basic radio functions on L1 

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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 desired "Cmnd" key 

Cmnd 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 COPY CHANNEL INFORMATION FROM GUARD TO MAIN (default disabled) 

LOCK KEYPAD TO UNLOCK KEYPAD 

n/u 

EDIT SCAN LISTS 

STEP UP/DOWN THROUGH AVAILABLE SCAN LISTS 

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

EDIT CHANNEL 

TEXT 

STEP THROUGH THE FOUR CHARACTER GROUPS (AZ, az, 09, and 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 COPY CHANNEL INFORMATION FROM MAIN TO GUARD (default disabled) 

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

GO TO NEXT LEVEL GO TO THE NEXT HIGHER COMMAND LEVEL 

SET HOME CHANNEL SET '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 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 85) 

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 

NOTES: 

PRESS & HOLD 

(TDFM-136=52, TDFM-136A=68) 

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• 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

th 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.

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

TiL 3342E - NIICD
	

($F56/3926)