Ecom Instruments Ex-GSM 01 - Manual (Page 13)

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Hold the phone as you would any other telephone with the antenna pointed
up and over your shoulder.
To switch the phone on or off, press and hold the power key.
If the phone displays Insert SIM card, even though the SIM card is properly
inserted or SIM card not supported, contact your service provider. If the phone
asks for a PIN code or security code, enter the code, and press OK.
10.1.4 Keys and connectors
1 — Flashlight. To activate the flashlight, press and hold in standby mode.
2 — Power key, to turn the phone on and off.
3 — Bubble level, to level the phone while using the compass.
4 — Volume keys, to adjust the volume of the earpiece or loudspeaker, or the
headset when connected to the phone.
5 — Push to talk key
6 — Left selection key, middle selection key, and right selection key. The func-
tion of these keys depends on the guiding texts shown above the keys on
the display.
7 — Four-way scroll key, to scroll through the menu, for example, or to move
the cursor when writing text.
8 — Call key , to dial a phone number, or to answer a call.