Train Control Systems Documentation - Recent changes [en]

PIKO Tri-Mode Mogul - G

JosephR — Fri, 25 Sep 2026 14:57:38 GMT

← Older revision		Revision as of 14:57, 25 September 2026
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	*The CR2025 battery in the pocket remote is low if the the red light blinks instead of staying on solid when a button is held.		*The CR2025 battery in the pocket remote is low if the the red light blinks instead of staying on solid when a button is held.
	*Make sure the 'AA' batteries are fully charged. 2800mAh NiMH rechargeable batteries give superior performance compared with standard alkaline batteries. An 18.5V 3400 milliamp-hour rechargeable lithium battery pack will give even better performance than the 'AA" rechargeables.		*Make sure the 'AA' batteries are fully charged. 2800mAh NiMH rechargeable batteries give superior performance compared with standard alkaline batteries. An 18.5V 3400 milliamp-hour rechargeable lithium battery pack will give even better performance than the 'AA" rechargeables.
			*Make sure that the voltage selection switch on the PIKO R/C receiver board is set to position two (2).

	===== Head light is on but the locomotive does not make sound: =====		===== Head light is on but the locomotive does not make sound: =====

Main Page

JosephR — Fri, 25 Sep 2026 14:56:35 GMT

Large Scale

← Older revision		Revision as of 14:56, 25 September 2026
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	!WOW® Sound		!WOW® Sound
	\|-		\|-
	\|Tri-Mode Sound & Smoke Mogul - Large Scale		\|[[PIKO Tri-Mode Mogul - G\|Tri-Mode Sound & Smoke Mogul - Large Scale]]
	\|-		\|-
	\|GE 25-Ton Diesel - Large Scale		\|[[PIKO GE 25-Ton Diesel - G\|GE 25-Ton Diesel - Large Scale]]
	\|}		\|}


	<br />		<br />

PIKO Tri-Mode Mogul - G

BobbyL — Fri, 25 Sep 2026 14:40:03 GMT

R/C operation

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	==== Momentum Function ====		==== Momentum Function ====
	The momentum function is a quick and easy way to change the momentum of the decoder. There are two modes present, which are toggled with every press of the momentum function (F9 on PAGENAME) "Switching Momentum" and "Mainline momentum." When the Momentum button is pressed the decoder will announce what momentum mode it is in. Please see [[Diesel Version 5:Momentum Function]] for more information on the momentum feature.		The momentum function is a quick and easy way to change the momentum of the decoder. There are two modes present, which are toggled with every press of the momentum function (F9 on {{PAGENAME}}) "Switching Momentum" and "Mainline momentum." When the Momentum button is pressed the decoder will announce what momentum mode it is in. Please see [[Diesel Version 5:Momentum Function]] for more information on the momentum feature.

	=== R/C operation ===		=== R/C operation ===

	For easy battery R/C operation, insert (10) AA rechargeable cells (not included) into the battery clip under the fuel load in the tender. Ensure that the switch below the battery clip is set to "battery." When operating in R/C mode, idling sounds and lights will come on as soon as the switch is set to "battery." Pressing the "up" or "down" arrows on the included PIKO pocket remote will cause the locomotive to move in the requested direction. Further presses, or holding the button will cause a more rapid speed change. The "I" button will toggle the bell on or off. The "II" button activates the playable whistle. Pressing both directional arrows at once will activate the emergency stop. For best performance, we suggesting using a 18.5V 3400 milliamp-hour rechargeable lithium battery pack, which is available from various ~~G-Scale~~ retailers pre-wired with a compatible "JST" style connector.		For easy battery R/C operation, insert (10) AA rechargeable cells (not included) into the battery clip under the fuel load in the tender. Ensure that the switch below the battery clip is set to "battery." When operating in R/C mode, idling sounds and lights will come on as soon as the switch is set to "battery." Pressing the "up" or "down" arrows on the included PIKO pocket remote will cause the locomotive to move in the requested direction. Further presses, or holding the button will cause a more rapid speed change. The "I" button will toggle the bell on or off. The "II" button activates the playable whistle. Pressing both directional arrows at once will activate the emergency stop. For best performance, we suggesting using a 18.5V 3400 milliamp-hour rechargeable lithium battery pack, which is available from various large scale retailers pre-wired with a compatible "JST" style connector.

	==== Pushbutton Volume Stepper ====		==== Pushbutton Volume Stepper ====

PIKO Tri-Mode Mogul - G

JosephR — Thu, 24 Sep 2026 21:47:18 GMT

Specific Features

← Older revision		Revision as of 21:47, 24 September 2026
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	In an industry first, the Tri-mode Mogul locomotive from PIKO brings premium sound and three modes of operation to your large scale layout!		In an industry first, the Tri-mode Mogul locomotive from PIKO brings premium sound and three modes of operation to your large scale layout!


	~~'''Tri-Mode Sound, An Industry First from PIKO!'''~~

	Conceived by PIKO in response to customer requests, these new locos join proven PIKO R/C with cutting-edge TCS digital technology, offering steam locos with smoke and digital sound, factory-equipped for operation on your choice of:

	* DC Track Power
	* DCC Digital
	* Onboard Battery Power with R/C

	For easy Battery R/C operation, insert (10) AA rechargeable cells (not included) into the battery clip in the tender. Non-rechargeables will give poor performance and are not recommended! 2800 milliamp-hour rechargeables are readily available and should give over two hours of run-time with smoke on and sound at full volume.

	Or, connect standard 14.8V or 18.5V 3400 milliamp-hour rechargeable lithium battery packs, available from various G-Scale retailers, to the industry-standard JST connector socket, for many hours of run-time. 14.8V packs should give all the top speed you need. 18.5V packs can give a bit longer run-time.

	~~Control speed, direction, emergency stop, bell and playable whistle with the included PIKO R/C Pocket Remote.~~

	Both DC and Battery operation offer a wealth of automatic digital steam sound features, like exhaust chuff, air pump, and more. Bell and whistle can also be activated by track magnets, such as PIKO #35268. KeepAlive® technology keeps everything running smoothly even over dirty track on DC/ DCC power, and provides standstill sound in all three modes.

	DCC operation offers even more features, plus all the benefits of TCS WOWSteam Sound. Choose from numerous bells, whistles, exhaust chuff sounds and more! Audio Assist® easily guides you through programming without the need to memorize CVs. Sound choices made on DCC also remain in effect on DC or Battery R/C operation.

	==Specific Features==		==Specific Features==
	Features include:		Features include:
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	*TCS true CD-quality audio (16-bit, 44,100Hz)		*TCS true CD-quality audio (16-bit, 44,100Hz)
	*Authentic and prototypical sounds		*Authentic and prototypical sounds
	*~~Over 70 whistle~~ and ~~65 bell options~~		*13 chuff sets, 79 whistles and 66 bells; easily selectable with [[Diesel Version 5:Audio Assist®\|Audio Assist®]]
	*On-board [[Support - Keep Alive®\|Keep-Alive®]] device that keeps your engine running during power interruptions due to dirty track or loss of electrical contact		*On-board [[Support - Keep Alive®\|Keep-Alive®]] device that keeps your engine running during power interruptions due to dirty track or loss of electrical contact
	*Directional headlights enabled by default		*Directional headlights enabled by default
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	=== DC mode operation ===		=== DC mode operation ===
	For DC mode operation, ensure that the switch under the fuel load in the tender is set to "track." When operating in DC mode, the locomotive will sit still and silent until a sufficient track voltage is present. Once the minimum voltage (approximately 12 volts) is met, the idling sounds and the lights will come on. Further increasing the voltage will cause the locomotive to begin to move. Please note that the {{PAGENAME}} is wired opposite of NMRA standard polarity, for compatibility with legacy large scale models. Once the locomotive starts moving, a directional whistle blast will sound and the bell will activate automatically. Increasing the voltage further will shut off the automatic bell. The directional horn blasts and automatic DC mode bell are enabled by default. The {{PAGENAME}} includes a sensor (reed switch assembly) to trigger bell and grade crossing quill sounds when the loco passes over track magnets (such as PIKO #35268, available separately). Rotating the track magnet 180 degrees will either trigger the bell for about 8 seconds or a short grade crossing whistle signal. If you would like to change the behavior of your locomotive on DC power, please read more in our section on [[Diesel Version 5:DC Mode Operation\|DC Mode Operation and Configuration for WOWSound Version 5]].		For DC mode operation, ensure that the switch under the fuel load in the tender is set to "track." When operating in DC mode, the locomotive will sit still and silent until a sufficient track voltage is present. Once the minimum voltage (approximately 12 volts) is met, the idling sounds and the lights will come on. Further increasing the voltage will cause the locomotive to begin to move. Please note that the {{PAGENAME}} is wired opposite of NMRA standard polarity for compatibility with legacy large scale models. If you would like to change the behavior of your locomotive on DC power, please read more in our section on [[Diesel Version 5:DC Mode Operation\|DC Mode Operation and Configuration for WOWSound Version 5]].

			==== Automatic Sounds ====
			Once the locomotive starts moving, a directional whistle blast will sound and the bell will activate automatically. Increasing the voltage further will shut off the automatic bell. The directional horn blasts and automatic DC mode bell are enabled by default.

			==== Reed Switch Sensor ====
			The {{PAGENAME}} includes a sensor (reed switch assembly) to trigger bell and grade crossing quill sounds when the loco passes over track magnets (such as PIKO #35268, available separately). Rotating the track magnet 180 degrees will either trigger the bell for about 8 seconds or a short grade crossing whistle signal.

	=== DCC operation ===		=== DCC operation ===
	DCC operation ~~also~~ requires the switch under the fuel load in the tender to be set to "track." As soon as the locomotive is placed on the track, the idling sounds will come on immediately and the locomotive will respond to DCC commands addressed to the factory-default address three (3). Please see the [[PIKO Tri-Mode Mogul - G#Button Mappings\|table below]] for the default button mappings.		DCC operation requires the switch under the fuel load in the tender to be set to "track." As soon as the locomotive is placed on the track, the idling sounds will come on immediately and the locomotive will respond to DCC commands addressed to the factory-default address three (3). Please see the [[PIKO Tri-Mode Mogul - G#Button Mappings\|table below]] for the default button mappings.

	=== ~~R/C operation~~ ===		==== Audio Assist® ====
			{{PAGENAME}} features TCS Audio Assist® for quick and easy programming without CVs. Audio Assist can be used to customize the programming of your decoder, including changing sound volumes, remapping sounds, adding lighting effects, and so much more! Please see the [[Diesel Version 5:Audio Assist®\|Audio Assist®]] page for more information.

			==== Rotate ====

			TCS' rotate feature makes it possible to change the currently selected whistle, bell, or chuff sounds with a single button. The rotate feature is available on F5 of {{PAGENAME}}. Sound choices made on DCC also remain in effect on DC or Battery R/C operation. Please see [[WOWSound Rotate Feature]] for more information.

	~~Volume control~~		==== Momentum Function ====
			The momentum function is a quick and easy way to change the momentum of the decoder. There are two modes present, which are toggled with every press of the momentum function (F9 on PAGENAME) "Switching Momentum" and "Mainline momentum." When the Momentum button is pressed the decoder will announce what momentum mode it is in. Please see [[Diesel Version 5:Momentum Function]] for more information on the momentum feature.

			=== R/C operation ===

	~~Smoke~~		For easy battery R/C operation, insert (10) AA rechargeable cells (not included) into the battery clip under the fuel load in the tender. Ensure that the switch below the battery clip is set to "battery." When operating in R/C mode, idling sounds and lights will come on as soon as the switch is set to "battery." Pressing the "up" or "down" arrows on the included PIKO pocket remote will cause the locomotive to move in the requested direction. Further presses, or holding the button will cause a more rapid speed change. The "I" button will toggle the bell on or off. The "II" button activates the playable whistle. Pressing both directional arrows at once will activate the emergency stop. For best performance, we suggesting using a 18.5V 3400 milliamp-hour rechargeable lithium battery pack, which is available from various G-Scale retailers pre-wired with a compatible "JST" style connector.

			==== Pushbutton Volume Stepper ====
			Volume is adjustable in R/C mode with a simple pushbutton "stepper" volume control located beneath the water fill hatch at the rear of the tender. Each press of this button increases the volume by 25 percent. Once the volume reaches 100 percent, the next press will mute the decoder before cycling back to 25 percent volume.

	~~Reed switches~~		==== Smoke ====

	</noinclude>		Prior to turning on the smoke feature of your {{PAGENAME}}, the smoke unit must be filled with compatible smoke fluid (such as PIKO #36210, available separately). Running the smoke unit without smoke fluid may cause damage to the locomotive. Smoke is controlled by a slide switch located beneath the water fill hatch at the rear of the tender. Smoke will come on automatically in DC and R/C modes when the slide switch is in the "on" position. In DCC mode, smoke may be controlled with F6 only when the slide switch is in the "on" position.</noinclude>
	<onlyinclude>		<onlyinclude>

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	==Demonstration==		==Demonstration==
	<embedvideo service="youtube">https://www.youtube.com/watch?v=ZfdwiLbYHo8</embedvideo>		<embedvideo service="youtube">https://www.youtube.com/watch?v=ZfdwiLbYHo8</embedvideo>

			== Troubleshooting ==
			If you are experiencing issues with your {{PAGENAME}}, the following troubleshooting tips may help. If not, PIKO technical support can be contacted with the information below.

			===== If the locomotive is unresponsive and the headlight is off: =====
			*Make sure the "mode selection" switch under the fuel load in the tender is flipped to the expected power source.
			*If you are running on battery power, make sure that the 'AA' batteries are fully charged.
			*Also make sure that the battery clip is plugged into the JST connector in the tender.

			===== If the radio control is acting erratic or the playable whistle is no longer playable: =====
			*Replace the CR2025 battery in the pocket remote.
			*The CR2025 battery in the pocket remote is low if the the red light blinks instead of staying on solid when a button is held.
			*Make sure the 'AA' batteries are fully charged. 2800mAh NiMH rechargeable batteries give superior performance compared with standard alkaline batteries. An 18.5V 3400 milliamp-hour rechargeable lithium battery pack will give even better performance than the 'AA" rechargeables.

			===== Head light is on but the locomotive does not make sound: =====
			*After about 15 minutes of inactivity, the locomotive will mute itself. Any R/C or DCC input will wake the locomotive.
			*Make sure the decoder is "unmuted" using the volume stepper button underneath the tender water fill hatch or F8 on your DCC controller.

	==Decoder Service and Repair==		==Decoder Service and Repair==

PIKO GE 25-Ton Diesel - G

JosephR — Thu, 24 Sep 2026 16:39:29 GMT

← Older revision		Revision as of 16:39, 24 September 2026
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	*Check that the power switch is flipped in the "on" position. Be aware that the power switch has two "off" positions and only one "on" position.		*Check that the power switch is flipped in the "on" position. Be aware that the power switch has two "off" positions and only one "on" position.

	===== If the radio control is acting erratic or the playable horn is no longer playable: = =====		===== If the radio control is acting erratic or the playable horn is no longer playable: =====
	*Replace the CR2025 battery in the pocket remote.		*Replace the CR2025 battery in the pocket remote.
	*The CR2025 battery in the pocket remote is low if the the red light blinks instead of staying on solid when a button is held.		*The CR2025 battery in the pocket remote is low if the the red light blinks instead of staying on solid when a button is held.
	*Make sure the 'AAA' batteries are fully charged. We have found that using 1100mAh NiMH rechargeable batteries gives superior performance compared with standard alkaline batteries.		*Make sure the 'AAA' batteries are fully charged. We have found that using 1100mAh NiMH rechargeable batteries gives superior performance compared with standard alkaline batteries.

	===== Cab light is on but the locomotive does not make sound. =====		===== Cab light is on but the locomotive does not make sound: =====
	*After several minutes of inactivity, the locomotive will play the shutdown sequence and turn the sound off. Any input, including horn, bell, direction, or volume will wake the locomotive.		*After several minutes of inactivity, the locomotive will play the shutdown sequence and turn the sound off. Any input, including horn, bell, direction, or volume will wake the locomotive.
	*Make sure the decoder is "unmuted" using the volume stepper button inside the cab		*Make sure the decoder is "unmuted" using the volume stepper button inside the cab

PIKO Tri-Mode Mogul - G

JosephR — Thu, 24 Sep 2026 15:29:30 GMT

Show changes