general - there is a requirement to equip army units with handheld searchlight. it shall be used to enhance lighting capabilities and low light target identification under all types of operational conditions especially for the static and observation post which requires the night capability that enables the observer or firer to identify threat or target at a longer distance. necessary action and appropriate measured can be taken immediately after identifying the target in low light visibility.
手提式探照燈，它應(yīng)使用增強(qiáng)照明能力和低光目標(biāo)識(shí)別在所有類型的操作條件下，特別是靜態(tài)和觀察站，需要夜間能力，使觀察員或射擊者識(shí)別威脅或目標(biāo)在更長(zhǎng)的距離。在弱光能見度下識(shí)別目標(biāo)后，可立即采取必要的行動(dòng)和適當(dāng)?shù)臏y(cè)量。
2.1. robustness. it shall be robust to enable it to withstand rugged handling and usage. 堅(jiān)固
2.2. simplicity. it shall be user friendly and simple to operate. 易操作
portability. it shall be portable and handheld. 可攜帶，手提式2.4. tropicalisation. it shall be fully tropicalized. 2.4.1. operating
temperatures: it shall be from -200c to 600c. 2.4.2 relative
temperatures: up to 95% rh.
熱帶，工作溫度:-20℃~ 60℃。相對(duì)溫度:高達(dá)95% 。
2.5. maintenance. it shall be easily maintained.易于維護(hù)
2.6. reliability. it shall be reliable under military operating conditions. 可靠
3.1.5. lens filter. it shall have a lens filter. 鏡頭過(guò)濾器。它應(yīng)該有一個(gè)鏡頭濾鏡。