Bosch GAM 220 MF Instructions de montage

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Operating/Safety Instructions

Consignes de sécurité/d’utilisation

Instrucciones de funcionamiento

y seguridad

1-877-BOSCH99 (1-877-267-2499) www.boschtools.com

GAM 220 MF

ab defg gfedc

14 15121113

SAVE ALL WARNINGS AND INSTRUCTIONS

FOR FUTURE REFERENCE

Electrical safety

Batteries can explode or leak, cause injury or ﬁre. To re-

duce this risk, always follow all instructions and warn-

ings on the battery label and package.

DO NOT short any battery terminals.

DO NOT charge alkaline batteries.

DO NOT mix old and new batteries. Replace all of them

at the same time with new batteries of the same brand

and type.

DO NOT mix battery chemistries.

Dispose of or recycle batteries per local code.

DO NOT dispose of batteries in ﬁre.

Keep batteries out of reach of children.

Remove batteries if the device will not be used for sev-

eral months.

Maintenance

DO NOT use this digital angleﬁnder for any purpose oth-

er than those outlined in this manual. This could result

in serious injury.

ALWAYS use only the accessories that are recommend-

ed by the manufacturer of your digital angleﬁnder. Use

of accessories that have been designed for use with other

digital angleﬁnders could result in serious injury.

Repair and servicing must always be performed by a

qualiﬁed repair facility. Repairs performed by unquali-

ﬁed personnel could result in serious injury.

General Safety Rules

Safety Rules for Angleﬁnders

When using the angle information provided by this tool

to cut materials, always observe all of your saw’s instruc-

tions, including those for positioning and clamping the

workpiece. In some cases, it may not be possible to set

the required angles on a particular saw or type of saw,

and an alternative means of performing the cut will need

to be used.

For extremely acute (sharp) angles, it may be necessary

to make the cut using a taper jig with a table saw or cir-

cular saw.

Read all safety warnings and all in-

structions. Failure to follow the warn-

ings and instructions may result in electric shock, ﬁre

and/or serious injury.

Technical Data

Intended Use

The angleﬁnder is intended for measuring and transfer-

ring angles and for calculating simple and compound mi-

ter angles. It is suitable for indoor and outdoor use.

Features

The numbering of the product features shown refers to

the illustration of the angleﬁnder on the graphic page.

1Fold-out leg

2Viewing window for dis-

play

3Locking knob

4Base leg

5Battery lid

6Latch of battery lid

7Display

8Spirit level for horizon-

tal alignment

9Spirit level for vertical

alignment

10 Serial number

11 “HOLD” button

12 “ON/OFF” button

13 Button for rotating the

display

14 “MTR1” button for sim-

ple miter

15 “MTR2” button for

compound miter

16 Protective pouch

17 Leg extension

Digital Angleﬁnder GAM 220 MF

Article number 3 601 K76 610

“HOLD” function ●

Display Illumination ●

“Simple Miter” Operating Mode ●

“Compound Miter” Operating

Mode ●

Measuring range 0°...220°

Measuring accuracy angle ±0.1°

Lowest indication unit 0.1°

Operating temperature 14 °F...122 °F / –10 °C...+50 °C

Storage temperature –4 °F...158 °F / –20 °C...+70 °C

Alkaline Batteries 4 x1.5V LR6 (AA)

Operating time approx. 80 h

Automatic switch-oﬀ after

approx. 30 min

Leg length 15.75in / 400 mm

Weight according to EPTA-

Procedure 01/2003 2.4 lbs / 1.1 kg

Dimensions

(length x width x height) 17.6 x 2 x 2.4 in /

447 x 52 x 60 mm

IP 54 (dust and splash proof) ●

The angleﬁnder can be clearly identiﬁed with the serial

number 10 on the type plate.

Display elements

The numbering of the product features shown refers to

the illustration of the angleﬁnder on the graphic page.

a“H” indicator for “HOLD” memory value

bBattery indicator

cReading

dBevel angle indicator “BVL”

eMiter angle indicator “MTR”

fCorner angle indicator “CNR”

gSpring angle indicator “SPR”

Assembly

Inserting/Replacing the Batteries

Use alkaline (4 x AA) batteries to operate the angleﬁnder.

Ensure polarity of each battery

matches the instructions in Fig. A. In-

correct battery polarity may cause ﬁre or personal injury.

To open the battery lid 5, press on the latch 6and fold the

battery lid up. Insert the batteries (Fig. A).

Battery Indicator

The battery indicator balways displays the current bat-

tery status:

The battery is over 90 % full

The battery is between 60 % and 90 % full

The battery is between 30 % and 60 % full

The battery is between 10 % and 30 % full

The empty battery indicator ﬂashes. The battery

level is under 10 %. Once the battery indicator be-

gins ﬂashing, you can measure for approximately

another 15-20 minutes until the tool shuts down.

Always replace all batteries at the same time. Do not use

diﬀerent brands or types of batteries together.

Remove the batteries from the digital level when not

using it for longer periods. When storing for longer peri-

ods, the batteries can corrode and self-discharge.

Mounting the Leg Extension

Slide the leg extension 17 onto the fold-out leg 1from the

front. Slide the leg extension as far as possible over the

joint of the angleﬁnder.

Operation

Initial Operation

Protect the angleﬁnder against mois-

ture and direct sun light.

Do not subject the angleﬁnder to ex-

treme temperatures or variations in

temperature. As an example, do not leave it in vehicles

for a long time. In case of large variations in temperature,

allow the angleﬁnder to adjust to the current temperature

before putting it into operation. In case of extreme tem-

peratures or variations in temperature, the accuracy of

the angleﬁnder can be aﬀected.

Switching On and Oﬀ

Press the “ON/OFF” switch 12 to switch the angleﬁnder

on or oﬀ.

If the “H” indicator lights up, the last measured value is

saved. This value can be deleted by pressing the “ON/

OFF” button 12.

The angleﬁnder will shut down after approx. 30 minutes

of inactivity to preserve battery life.

Aligning with the Spirit Levels

The angleﬁnder can be aligned horizontally with spirit

level 8and vertically with spirit level 9.

Rotating the Display

To make the displayed value easier to read, press button

13 to rotate the display.

Angle Measurement Operating Mode

The angleﬁnder is in the “Angle Measurement” operating

mode every time it is switched on.

Measuring Angles (see ﬁgures C–D)

Place the fold-out leg 1and the base leg 4ﬂat on the

surfaces around the angle you wish to measure. The

measured angle value wwill display on the display 7as

measured value c. The measured value will remain on the

display until the angle between fold-out leg 1and base

leg 4has changed.

Transferring Angles (see ﬁgure E)

Once you have your desired angle measurement (see

Measuring Angles section), lock the position of the legs

by tightening the locking wheel 3.

Place the angleﬁnder in the desired position against the

workpiece. Use the legs as a straight edge to transfer the

angle.

Save measured values

Press the “HOLD” memory button 11 to save the current

measuring value. The aindicator will ﬂash on the display

as conﬁrmation. The currently displayed value is frozen

and will not change even when the leg is moved. If you

press the “HOLD” memory button again, the aindicator

will permanently be shown on the display. The displayed

value will change if you move the legs. The previously fro-

zen value is now saved in the background. If the “HOLD”

memory button 11 is pressed again, the previously saved

value is displayed and the aindicator ﬂashes.

The unit can only store one value at a time. Storing a new

value will automatically overwrite the previously stored

value.

The held value is saved even when the angleﬁnder is

switched oﬀ (manually or automatically). However, it is

deleted when changing batteries or when the batteries

are empty.

Measuring with Leg Extension (see ﬁgures F–H)

The leg extension 17 enables angle measurement when

the contact surface is shorter than the fold-out leg 1.

Place the base leg 4and the leg extension ﬂat on or

against the edges to be measured.

The reading of the angle wbetween base leg and fold-out

leg is indicated in the display. The required angle v be-

tween base leg and leg extension is calculated as follows:

v= 180° – w

“Simple Miter”

Operating Mode

The “Simple MTR” operating mode is used to determine

miter angles for miter cuts that are made with the blade

vertically perpendicular to the workpiece; in other words,

miter cuts for which the bevel setting is set at 0°. Such

applications include mitering baseboard and chair rail,

picture rails, door frames, staircase balusters, and pic-

ture frames.

The “Simple Miter” operating mode is activated by press-

ing the “MTR1” button. The displayed value is always

used for the calculation of the “MTR”. If a saved value

is being displayed (indicator aﬂashes), the calculation

will be performed with the saved value regardless of the

position of the legs.

x°

When workpieces are to be ﬁtted into a corner (e.g. for

ﬂoor trimmings), measure the corner angle x° by applying

the fold-out leg and the base leg. For given angles (e.g.

picture frames), open the fold-out leg and the base leg

until the desired angle is indicated in the display.

MTR

x°

The miter angle “MTR”, by which the two workpieces are

to be shortened, is calculated. For these miter cuts, the

saw blade is vertical to the workpiece (the bevel angle

is 0°).

MTR

Press button 14. The calculated horizontal miter angle

“MTR”, which has to be set on the chop and miter saw,

and the “MTR” indicator will be shown on the display.

Press the “MTR1” button 14 to return from the “Simple

Miter” operating mode to the “Angle Measurement” op-

erating mode.

Pressing the “ON/OFF” button will also take you back to

the “Angle Measurement” operating mode.

Note: The calculated miter angle “MTR” can only be tak-

en over for chop and miter saws, for which the setting for

vertical cuts is 0°. When the setting for vertical cuts is

90°, the angle for the saw must be calculated as follows:

90° – indicated “MTR” angle = angle to be set on the saw.

“Compound Miter” Operating Mode

The “Compound MTR” operating mode is used to easily

determine the miter and bevel angles needed to create

precision joints at compound angles. This is particularly

useful when cutting crown molding laid ﬂat on a com-

pound miter saw.

The “Compound Miter” operating mode is activated by

pressing the “MTR2” button.

Carry out the worksteps exactly in the given sequence.

“1. SPR”: Storing the Spring Angle

SPR

To start “Compound Miter” calculation:

– Open the fold-out leg and base leg until the desired

spring angle is shown on the display.

– Measure the spring angle if it is unknown. To do so,

place the workpiece you want to measure between

the fold-out leg and the base leg. If measurement is

not possible with the angleﬁnder on especially narrow

or small workpieces, use auxiliary equipment, e.g. a

bevel, and then set the angle on the angleﬁnder.

– To use a saved “HOLD” value (indicator ais static on

the display), press “HOLD,” previously saved angle

will ﬂash. Press “MTR2” and held angle will blink

twice with “SPR” indicator ﬂashing. Continue with

step 2 below.

When the angle is greater than 90° yet less than 180°

when pressing button 15, the “SPR” spring angle is auto-

matically converted as follows:

“SPR” = 180° – measured or set angle.

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