ONO SOKKI - Sound Level Meter FAQ -How to attach a tripod and microphone extension cable.

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Sound Level Meter FAQ

Sound Level Meter FAQ

How to attach a tripod and microphone extension cable

The tripod and microphone extension cable are used when the acoustical influence should be reduced such as reflection sounds generated by the sound level meter or operator.

List of microphone extension cable

Sound level meter	List of applicable microphone extension cable
LA-2560 Type 2 Sound level meter LA-5560 LA-5570 Type 1 Sound level meter	AG-3301 5m AG-3302 10m AG-3303 20m AG-3304 30m
	AG-3305 100m with cord real	*MI-0301 holder is attached as a standard.
LA-1410 LA-1440 Class 2 Sound level meter LA-4440 Class 1 Sound level meter	AG-2010 10m AG-2030 30m
	AG-2050 50m with real
	AG-2100 100m with real	*MI-0301 holder is attached as a standard.

* MI-0301 Microphone holder is attached to the microphone extension cable as standard.

How to remove the pre-amplifier and attach the extension cable

1. Turn off the power of the sound level meter.

2. Turn the preamplifier fixing screw (for LA-2560/5560/5570) in a counterclockwise and slowly loosen it along the main unit side connector.

3. Or turn the BNC connector in a counterclockwise without removing BNC connecter screw (LA-1410/1440/4440 main unit side connector part) and fit it to the release position. Then slowly pull the preamplifier upwards to release it.

4. Attach the preamplifier along the connector of the microphone extension cable, and fix it by turning clockwise.

How to attach a tripod

To attach a tripod directly to the sound level meter main unit, mount the tripod with the tripod attachment screws that are provided at the rear of the main unit.

The screw at the bottom of the sound level meter is for a camera tripod. It is nominal "1/4" screw that complies with JIS B7103. (Screw for the sound level meter is female screw.)

Unit : mm

Nominal	Number of screw threads (n) (per 25.4 mm)	Pitch		Male screw			Female screw
Nominal	Number of screw threads (n) (per 25.4 mm)	Pitch		Outer diameter (d)	Effective diameter	Core diameter	Core diameter D	Effective diameter	Inner diameter
1/4	20	1.270	Reference size	6.350	5.525	4.975	6.350	5.525	4.975
			Maximum acceptable size	6.322	5.497	4.763	Not regulated	5.820	5.267
			Minimum acceptable size	6.012	5.355	Not regulated	6.460	5.635	4.975
			Allowance	0.310	0.142	---	---	0.185	0.292

When attach the microphone or preamplifier apart from the main unit

1. Attach the microphone holder to the tripod.

2. Attach a preamplifier side connector of the extension cable to the microphone holder of the tripod.

*Please refer to our website for the outer dimensions.

Revised:2008.12.15

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